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Influence factors of achieving predictable maxillary sinus bone augmentation Zhao Yang Chinese Journal of Oral Implantology    2024, 29 (3): 289-294.   DOI: 10.12337/zgkqzzxzz.2024.06.016 Abstract （2502）      PDF （1348KB）（1981）       Knowledge map    Save Maxillary sinus floor elevation is a common surgical method to solve the problem of insufficient bone mass in the posterior maxillary region. Based on the special background of maxillary sinus bone augmentation, we explore the principles of achieving predictable maxillary sinus bone augmentation results from the mechanism of osteogenesis, which can be considered from four aspects: bone contact area, angiogenesis, stability of space, and safe healing. Reference | Related Articles | Metrics

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Recent advances in the factors affecting the pathogenesis, diagnosis, and treatment of peri-implantitis Yan Fuhua, Song Shiyuan Chinese Journal of Oral Implantology    2023, 28 (6): 402-409.   DOI: 10.12337/zgkqzzxzz.2023.12.003 Abstract （1831）      PDF （1334KB）（4429）       Knowledge map    Save Oral implant therapy is one of the most common methods for restoring defective and missing dentition. Peri-implantitis is a prevalent biological complication of implant therapy, characterized by inflammation of the peri-implant mucosa and subsequent progressive loss of supporting bone. The occurrence of peri-implantitis can impact the prognosis of implant restorations or even lead to implant failure, significantly affecting the patient's health and quality of life. Therefore, reducing the risk factors of peri-implantitis, timely diagnosis and effective treatments are of great importance to enhance the prognosis of implant therapy. This review describes the factors influencing the pathogenesis of peri-implantitis, the current diagnostic criteria, and therapeutic methods. Furthermore, it discusses emerging treatment modalities with potential clinical applications and reviews ongoing research progress. Reference | Related Articles | Metrics

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Research progress of the socket shield technique Luo Zhen, Liu Hong, Wu Wangxi Chinese Journal of Oral Implantology    2023, 28 (2): 119-123.   DOI: 10.12337/zgkqzzxzz.2023.04.009 Abstract （1246）      PDF （1177KB）（2067）       Knowledge map    Save The socket shield technique is a new technology emerging in oral implantology in the last decade or so. Its introduction is to fundamentally interrupt the process of physiologic resorption in the alveolar socket after the tooth extraction. But no consensus has been reached on the standard operation and long-term effect of this treatment. Meanwhile with the development of digital technology, how to accurately and efficiently apply the socket shield technique has gradually attracted attention. The clinical procedure, the complication, the evaluation index and the digital application of the socket shield technique will be reviewed in this paper, hoping to provide a theoretical basis for the promotion of this technique in oral implantology. Reference | Related Articles | Metrics

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Expert consensus on the clinical application of dental implant robots (first edition) Chen Jiang, Su Yucheng, Shen Guofang, Zhou Yanmin, Man Yi, Wu Yiqun, Yang Guoli, Zhang Yufeng, Tang Chunbo, Liu Qian, Fu Gang, Du Liangzhi, Liu Feng, Gao Yongbo, Yang Xingmei, Chen Deping, Chen Zhuofan, Xu Shulan, Wang Liping, Zhang Sihui Chinese Journal of Oral Implantology    2023, 28 (3): 134-139.   DOI: 10.12337/zgkqzzxzz.2023.06.002 Abstract （1087）      PDF （1438KB）（1506）       Knowledge map    Save Dental implant robot is a new clinical technology in the field of dental implantology in recent years. In view of its high accuracy and stability, it has been applied in many professional fields of stomatology, such as dental implant, oral and maxillofacial surgery, etc. On the basis of clinical application and document retrieval, this consensus discusses the definition of related terms, clinical application requirements, operation specifications and risk prevention of dental implant robots, putting forward consensus views based on the clinical operation experience of some domestic experts. Reference | Related Articles | Metrics

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Expert consensus on complications of sinus floor elevation: displacement of dental implant into the maxillary sinus (first edition) Chinese Society of Oral Implantology Chinese Journal of Oral Implantology    2022, 27 (5): 264-268.   DOI: 10.12337/zgkqzzxzz.2022.10.001 Abstract （1024）      PDF （1172KB）（1314）       Knowledge map    Save Dental implantation at the posterior maxillary region involving the sinus has become a routine treatment for the edentulous patients. However, due to medical or pathogenic factors, various postoperative complications may occur, among which the relatively rare but serious complication is the displacement of dental implant into the maxillary sinus. At present, there is still lack of guideline or consensus on the management of this complication at home and abroad. Therefore, the Chinese Society of Oral Implantology organized experts from different domestic universities to discuss and draft this consensus from the aspects of pathogenesis, clinical manifestations, treatment plans and prevention methods, aiming to provide clinicians with practical measures for the prevention and treatment of the complication of implant displacement into the maxillary sinus. Reference | Related Articles | Metrics

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A clinical retrospective study of GBR based on 3D printing individualized titanium mesh (3D-PITM) and onlay bone grafting in reconstruction of complex alveolar bone defects Su Yadi, Zou Jiejuan, Wang Chao, Huang Yuanding Chinese Journal of Oral Implantology    2024, 29 (2): 169-177.   DOI: 10.12337/zgkqzzxzz.2024.04.012 Abstract （1015）      PDF （1679KB）（489）       Knowledge map    Save Objective A clinical retrospective study was proposed to compare the bone augmentation effect of GBR based on 3D printing individualized titanium mesh (3D-PITM) with onlay block autogenous bone grafting in the reconstruction of complex alveolar bone defects. Methods This study included 39 patients with alveolar bone defects who attended the Implant Department of the Affiliated Stomatological Hospital of Chongqing Medical University from May 2018 to January 2022. According to bone grafting methods, they were divided into 3D-PITM+GBR group (19 patients) and Onlay group (20 patients). Preoperatively, Cone-Beam Computed Tomography (CBCT) images of the patients were imported into Mimics Research and 3-Matic Software for 3D reconstruction and digital design. 3D-PITM was fabricated by CAD/ selective laser melting (SLM) technology. Intraoperatively, bone augmentation surgery was completed with fixed 3D-PITM or autologous bone block. CBCT imaging data were collected preoperatively, immediately postoperatively, 6~9 months postoperatively and after implant placement. Based on the digital radiographic data, the gained bone height on the implant axis and the gained bone width at 0 mm, 2 mm and 4 mm under the implant platform were measured. Results The 3D-PITM+GBR group had higher vertical bone increments [2.68 mm (0.45,4.23), 2.27 mm (0.49,3.27)] than onlay group [1.60 mm (0.33,1.62), 1.74 mm (0.53,1.60)] before/after bone grafting and before/after implant placement respectively. The 3D-PITM+GBR group had higher mean bone width increments at 0 mm, 2 mm, and 4 mm below the alveolar ridge before and after bone grafting [(1.97±0.97) mm, (2.59±1.22) mm, (2.94±1.50) mm)] than that of onlay group [(1.06±0.99) mm, (1.45±1.25) mm, (2.32± 1.23) mm]. In the 3D-PITM+GBR group, the mean bone width increments at 0 mm, 2 mm, and 4 mm below the implant platform before and after implantation [(2.34±1.09) mm, (2.53±1.48) mm, (2.85±2.20) mm)] were lower than those of onlay group [(2.51±1.34) mm, (3.04±1.73) mm, (3.38±1.94) mm]. The 3D-PITM+GBR group had higher osteogenesis rates in both horizontal and vertical directions (66.8%, 68.8%) than the Onlay group (64.6%, 62.6%).3D-PITM for reconstruction of complex alveolar bone defects was able to significantly increase the height and width of alveolar bone reconstruction compared with onlay block autogenous bone grafting, but the implant exposure rate (21%) was still higher than that of the onlay group (5%). Conclusion 3D-PITM+GBR technique can be used instead of block autogenous bone grafting for reconstruction of complex alveolar bone defects, obtaining ideal bone augmentation results and stable bone contours, but titanium mesh exposure is still a common complication in its application. Reference | Related Articles | Metrics

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Application of robots in the field of dental implantology Chen Jiang Chinese Journal of Oral Implantology    2022, 27 (5): 274-279.   DOI: 10.12337/zgkqzzxzz.2022.10.003 Abstract （977）      PDF （1495KB）（1741）       Knowledge map    Save Recently, with the development of digital technology in the field of dental implantology, from static computer-assisted implant surgery to dynamic navigation, and then to today's dental implant robot system, the accuracy of implants has been a hot topic in the field of dental implantology. After clinical application, on the basis of expounding the classification, workflow, and application status of oral implant robots, this paper also discusses the shortcomings and thinks about the coming era of dental implant robots, in order to provide a reference for further application and development of oral implant robot in the future. Reference | Related Articles | Metrics

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Expert consensus on titanium mesh supported guided bone regeneration Editorial Board of Chinese Journal of Oral Implantology Chinese Journal of Oral Implantology    2024, 29 (2): 95-100.   DOI: 10.12337/zgkqzzxzz.2024.04.001 Abstract （956）      PDF （1401KB）（1624）       Knowledge map    Save Nowadays, the clinical application of titanium mesh supported guided bone regeneration (TMs-GBR), especially using 3D printing individualized titanium mesh (3D-PITM), is increasing, serving as a reliable solution for bone augmentation in various cases of bone defects, particularly complex ones encountered during implant surgery. Given the technical sensitivity of TMs-GBR and the higher risk of complications such as titanium mesh exposure, as well as the current lack of relevant guidelines or international consensus, the editorial board of the Chinese Journal of Oral Implantology organized discussions among relevant experts and drafted this consensus, aiming to provide clinical reference for practitioners. Reference | Related Articles | Metrics

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Expert consensus on bone grafting materials for maxillary sinus floor elevation: bone substitutes Chinese Society of Oral Implantology Chinese Journal of Oral Implantology    2023, 28 (1): 3-8.   DOI: 10.12337/zgkqzzxzz.2023.02.002 Abstract （933）      PDF （1435KB）（1163）       Knowledge map    Save Autogenous bone has long been considered the "gold standard" for maxillary sinus floor elevation. However, secondary iatrogenic injury, limited source, easy resorption, and high risk of complications at donor sites limit its clinical application. Thus, the search for and selection of an ideal bone substitute for autologous bone becomes the development trend of bone augmentation technique. In this paper, the characteristics of three major bone substitutes including allograft, xenograft, and alloplastic graft, as well as the implant survival rate after the above bone substitutes were used on the maxillary sinus floor were summarized. Reference | Related Articles | Metrics

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Application and research progress of customized additive manufactured titanium mesh in bone augmentation for oral implantation Wang Lingxu, Wang Fangfang, Wang Penglai Chinese Journal of Oral Implantology    2023, 28 (5): 364-370.   DOI: 10.12337/zgkqzzxzz.2023.10.012 Abstract （928）      PDF （1348KB）（1011）       Knowledge map    Save Guided bone regeneration (GBR) is a popular method for bone augmentation in oral implant restoration. Titanium mesh has become increasingly prevalent due to its excellent mechanical properties and support fixation. However, traditional prefabricated titanium mesh has limitations, such as poor fitting with the alveolar bone shape, which can result in complications such as wound tearing, mucosal damage, and titanium mesh exposure. Additive manufacturing technology, such as 3D printing, allows for the customization of customized titanium mesh with varying shapes, thicknesses, and porosity. This customized approach not only upholds the excellent mechanical properties and biocompatibility of traditional titanium meshes but also achieves high-precision bone grafting through meticulous preoperative design and digital virtual reconstruction. Such an approach not only streamlines the surgical procedure and shortens surgery time, but also simplifies the surgeon’s operations and reduces trauma to patients. However, in clinical application, even though postoperative complications have decreased, issues such as the exposure of the titanium mesh persist and require careful attention. Despite the considerable clinical potential of titanium mesh from customized manufacturing, in-depth subsequent research is crucial to enhance its effectiveness. This article provides an overview of the current clinical application and research status of customized additive manufactured titanium mesh. Reference | Related Articles | Metrics

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Research progress of 3D printing individualized titanium mesh for complex bone augmentation Ji Ping Chinese Journal of Oral Implantology    2022, 27 (6): 334-339.   DOI: 10.12337/zgkqzzxzz.2022.12.002 Abstract （903）      PDF （1160KB）（1895）       Knowledge map    Save Complex and severe alveolar bone defect is an important factor affecting the esthetic and long-term stability of dental implants. Compared to conventional bone augmentation, digital and custom bone augmentation could reduce operation time and improve the accuracy of bone augmentation. Three-D printing individualized titanium mesh (3D-PITM) shows good biocompatibility and space-making capacity, which could accurately reconstruct the alveolar bone contour. Thus, 3D-PITM has been gradually applied in the bone augmentation surgery. This paper introduces the application and research progress of 3D-PITM used for complex bone augmentation. Reference | Related Articles | Metrics

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Application of socket-shield technique for immediate implant placement in aesthetic area Zhao Yaoyu, Yan Qi, Shi Bin Chinese Journal of Oral Implantology    2022, 27 (6): 376-380.   DOI: 10.12337/zgkqzzxzz.2022.12.009 Abstract （870）      PDF （1067KB）（1587）       Knowledge map    Save Socket-shield technique has the advantages of maintaining alveolar bone dimension, reducing labial soft tissue recession and improving the aesthetic effect of restoration. An increasing number of oral implantology clinicians have become familiar with this technique in recent years. Through a literature review, this paper summarized and discussed the proposal and development of this technique, clinical operation process and medical evidence, so as to provide a reference for clinicians. Reference | Related Articles | Metrics

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Progress in clinical application of implant robotics, dynamic navigation system and full-guide template in the field of oral implantology Man Yi, Yang Mutong Chinese Journal of Oral Implantology    2023, 28 (3): 146-151.   DOI: 10.12337/zgkqzzxzz.2023.06.004 Abstract （868）      PDF （828KB）（815）       Knowledge map    Save With the development of digital technology in dental implantology, from the full-guide template to the dynamic navigation system, and now to the implant robotics, implant accuracy has always been a topic of concern in the field of dental implantology. In this paper, the clinical application process of full-guide template, dynamic navigation system, and implant robotics was described, and their respective advantages were analyzed. The purpose of this study is to provide a reference for clinical implantologists when selecting digital technology. Reference | Related Articles | Metrics

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Exploration and consideration on clinical solutions for complex alveolar bone defects Li Jinmeng, Li Xiaoban, Zhang Jian Chinese Journal of Oral Implantology    2022, 27 (5): 285-291.   DOI: 10.12337/zgkqzzxzz.2022.10.005 Abstract （837）      PDF （1566KB）（4340）       Knowledge map    Save Surgeons and patients find it challenging to reconstruct the complex alveolar bone defects clinically. For complex alveolar bone defects, surgeons are responsible for making the most appropriate surgical plan, which requires them to fully understand the indications and technical key points of the existing bone augmentation techniques, and then choose an appropriate method to complete the alveolar bone defect reconstruction and the following implant placement. Based on clinical experience and literature review, the author summarizes the classification of alveolar bone defects, and focuses on the most commonly used bone augmentation techniques during clinical practice, such as Onlay bone grafting, split bone block technique, sausage technique, GBR technique with non-resorbable membrane, and GBR technique using titanium mesh. This article aims to provide a reference for the reconstruction of complex alveolar bone defects for dental implant specialists. Reference | Related Articles | Metrics

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Application and research progress of digital technology in bone augmentation for dental implants Chen Jiang, Qiu Yubei Chinese Journal of Oral Implantology    2024, 29 (3): 252-257.   DOI: 10.12337/zgkqzzxzz.2024.06.010 Abstract （799）      PDF （1333KB）（649）       Knowledge map    Save Insufficient alveolar bone mass at the implant site is an important factor affecting the outcome of dental implants. Bone augmentation is an effective strategy to solve this problem. The application of digital technology provides a new approach for bone augmentation in oral implantology. This article presents the application and research progress of digital technology in bone augmentation for dental implants. Reference | Related Articles | Metrics

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Implant treatment for patients with congenital tooth agenesis Wu Yiqun, Wang Feng Chinese Journal of Oral Implantology    2024, 29 (3): 204-211.   DOI: 10.12337/zgkqzzxzz.2024.06.003 Abstract （772）      PDF （2552KB）（586）       Knowledge map    Save Congenital tooth agenesis primarily manifests as an insufficient number of teeth, hypoplasia of the maxillary and mandibular alveolar processes, and maxillofacial dysplasia, all of which can result in oral or systemic dysfunction. Congenital tooth agenesis is harmful, and its treatment is challenging. Dental implants are an ideal option to restore missing teeth in these patients due to their good stability and comfort. This article aims to analyze the challenges associated with dental implants in the treatment of congenital tooth agenesis and propose strategies for the reconstruction of oral function in patients with congenital tooth agenesis. Reference | Related Articles | Metrics

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Treatment decision-making and prognosis assessment of peri-implantitis Xu Shulan, Zhu Yuanxi Chinese Journal of Oral Implantology    2023, 28 (6): 394-401.   DOI: 10.12337/zgkqzzxzz.2023.12.002 Abstract （750）      PDF （1706KB）（3865）       Knowledge map    Save Peri-implantitis is a common biological complication of dental implant treatment, and it is one of the significant causes of implant failure as well. The treatment decision-making and prognosis assessment of peri-implantitis present two major problems for implantologists in clinical practice. Evidence-based treatment decision-making and accurate prognosis assessment could help doctors propose appropriate treatment approaches and guide patients to conduct oral self-care and systemic factors control according to their own conditions, aiming for more a streamlined treatment process and better clinical outcomes. This literature review provides a comprehensive overview of the treatment decision-making and prognosis assessment of peri-implantitis, discusses its research progress and clinical recommendations, and puts forth suggestions for further research. Reference | Related Articles | Metrics

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Clinical and histologic evaluation of autogenous dentin blocks for alveolar ridge augmentation Gao Ming, Niu Lixuan, Zhu Yibo Chinese Journal of Oral Implantology    2024, 29 (5): 435-439.   DOI: 10.12337/zgkqzzxzz.2024.10.007 Abstract （738）      PDF （1765KB）（444）       Knowledge map    Save Severe bone defects in the alveolar ridge of edentulous areas pose significant challenges for prosthetically-driven implant placement. Although there are currently several reliable techniques for alveolar ridge augmentation, they present certain limitations, such as high technical sensitivity, significant trauma, prolonged treatment periods, and high costs. The patient in this case presented with multiple missing teeth in both the upper and lower jaws, with a severe horizontal bone defect in the left lower posterior area. Autogenous dentin block augmentation was performed using her wisdom tooth. Two and a half years postoperatively, satisfactory alveolar bone width was achieved, allowing for the placement of a 5 mm diameter implant in dense alveolar bone with good primary stability. Intraoperative histological analysis of tissue specimens showed no abnormalities. One year after the final restoration, marginal bone stability was maintained. In this case, the application of autogenous dentin blocks for alveolar ridge augmentation effectively reconstructed the width of the alveolar ridge, with stable clinical outcomes observed nearly 4 years postoperatively. Reference | Related Articles | Metrics

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Research advances in the production process of dental collagen membrane Shu Qianyi, Su Yucheng Chinese Journal of Oral Implantology    2022, 27 (6): 358-364.   DOI: 10.12337/zgkqzzxzz.2022.12.006 Abstract （721）      PDF （1076KB）（3952）       Knowledge map    Save Guided bone regeneration (GBR) is an important technique in implant dentistry, in which oral collagen membranes play a key role. According to the production process, oral collagen membranes can be divided into acellular matrix membranes, purified collagen membranes and recombinant collagen membranes. At present, acellular membranes are main ones used clinically. Different types of collagen membranes have similarities and differences in production processes, and different production processes also have different effects on the properties of collagen membranes. This paper reviews the classification, production processes, comparison of different collagen membranes and the improvement of collagen membranes. Reference | Related Articles | Metrics

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Expert consensus on bone grafting materials for maxillary sinus floor elevation: autogenous bone Chinese Society of Oral Implantology Chinese Journal of Oral Implantology    2022, 27 (5): 269-273.   DOI: 10.12337/zgkqzzxzz.2022.10.002 Abstract （714）      PDF （895KB）（723）       Knowledge map    Save Autogenous bone is derived from the patient's own body and has osteogenic, osteoinductive and osteoconductive properties without the risk of immunological rejection or disease transmission. For this reason, autogenous bone has long been regarded as the "gold standard" of bone grafting materials. This article summarizes the biological properties of bone grafting materials, the harvest of autogenous bone, the osteogenesis process and the clinical efficacy of autogenous bone graft in the maxillary sinus floor, and the limitations of autogenous bone, based on evidence-based principles, and proposes a consensus view based on the clinical experience of some Chinese experts. Reference | Related Articles | Metrics

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Expert consensus on sinus floor elevation with maxillary sinus cyst or cyst-like lesions Chinese Society of Oral Implantology Chinese Journal of Oral Implantology    2024, 29 (3): 195-201.   DOI: 10.12337/zgkqzzxzz.2024.06.001 Abstract （703）      PDF （1090KB）（1013）       Knowledge map    Save Sinus floor elevation is a predictable rehabilitation method commonly used to address bone deficiency in the maxillary posterior area. However, the presence of maxillary sinus cysts often presents a challenge for sinus floor elevation. At present, there is still a lack of guidelines or consensus on sinus floor elevation with maxillary sinus cyst. The purpose of this consensus is to provide clinicians with practical and feasible measures for sinus floor elevation with maxillary sinus cysts. Reference | Related Articles | Metrics

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Impact of osteoporosis on dental implantation and related clinical considerations Qiu Yun, Wang Yulan, Zhang Yufeng Chinese Journal of Oral Implantology    2024, 29 (4): 336-341.   DOI: 10.12337/zgkqzzxzz.2024.08.007 Abstract （694）      PDF （1397KB）（777）       Knowledge map    Save With the development of dental technology, dental implants are gradually becoming the primary choice for restoring missing teeth. The quality and quantity of the alveolar bone are key to the success of implant surgery and the long-term retention of the implants. Osteoporosis is a systemic disease characterized by a decrease in bone mass and a reduction in bone density, affecting bones throughout the body, including the alveolar bone. Therefore, its characteristic oral manifestations can be indicative of an early diagnosis of osteoporosis. At the same time, the changes in bone density and bone structure in osteoporosis patients necessitate awareness of the treatment risks during implantation and modification of the treatment plan to improve the success rate of implant treatment. This article reviews the oral manifestations of osteoporosis, the risks of implant treatment, and the consideration for implant treatment through a literature review. Reference | Related Articles | Metrics

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Application of a new Tent-Peg technique in the reconstruction of severe alveolar bone defects Wang Mohan, Hu Yinghan, Wu Jing, Zou Duohong Chinese Journal of Oral Implantology    2024, 29 (5): 459-466.   DOI: 10.12337/zgkqzzxzz.2024.10.011 Abstract （673）      PDF （1768KB）（692）       Knowledge map    Save Adequate bone volume is crucial for the successful placement and long-term stability of dental implants. Therefore, the reconstruction of severe alveolar bone defects hold significant clinical importance. With the development of guided bone regeneration (GBR) techniques, various GBR approaches have been applied in clinical practice to address alveolar bone defects. Based on the concept of "stability-centered" alveolar bone reconstruction, we developed a series of Tent-Peg medical products and established a new Tent-Peg technique. This technique enables the reconstruction of severe alveolar bone defects without the need for autologous bone, providing a novel solution for both the functional and aesthetic reconstruction of such defects. This innovative method has been successfully validated in clinical practice, and its appeal lies in its "three lows" (low technical sensitivity, low failure rate, and low cost) and "three easies" (easy to operate, promote, and popularize). To enhance clinicians' understanding of this innovative technique, this paper provides a comprehensive overview of the Tent-Peg medical product series and highlights the advantages of the new Tent-Peg technique, supported by clinical case demonstrations. This overview aims to promote the standardized application of this technique in clinical practice. Reference | Related Articles | Metrics

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Research progress of zinc-based biodegradable metals for biological barrier membrane Xu Shulan, Chen Jiahao Chinese Journal of Oral Implantology    2023, 28 (1): 19-25.   DOI: 10.12337/zgkqzzxzz.2023.02.004 Abstract （672）      PDF （1549KB）（1167）       Knowledge map    Save Guided Bone Regeneration (GBR) is the most common bone augmentation procedure in implant dentistry, and the effect of bone augmentation is determined by the material properties of the biological barrier membranes. However, are current biological barrier membranes are insufficient for all clinical requirements, including excellent biocompatibility, high mechanical properties, controllable degradation behavior, superior bioactivity, and easy clinical management. It is required to develop and investigate a novel material for the biological barrier membrane. Biodegradable metals (BMs) refer to metals that are intended to degrade in vivo. Among them, zinc(Zn)-based BMs are regarded as a novel generation of biological barrier membrane materials due to their excellent material properties. Nevertheless, Zn-based biological barrier membranes have been still in the stage of research and development. Based on our previous research studies and considering the future clinical applications, this paper systematically reviewed the research status and drawbacks of Zn-based biological barrier membranes in terms of four aspects: biocompatibility, mechanical properties, biodegradability, and bioactivity, providing scientific evidence to promote its clinical transformation. Reference | Related Articles | Metrics

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Biological principle of emergence profile design of implant prosthesis Yang Yufei, Gu Xinhua Chinese Journal of Oral Implantology    2022, 27 (6): 352-357.   DOI: 10.12337/zgkqzzxzz.2022.12.005 Abstract （669）      PDF （1106KB）（2801）       Knowledge map    Save The emergence profile design of the implant prosthesis will not only affect the aesthetic effect of the prosthesis, but also affect the health of the tissues around the implant. Good emergence profile design helps to form a perfect soft tissue barrier, prevent microbial invasion, protect surrounding soft and hard tissues, and avoid aesthetic and biological complications. On the basis of understanding the biological characteristics of the tissue around the implant and based on the patient's soft and hard tissue conditions, designing a reasonable implant placement position to protect the health of the tissue around the implant is crucial to the success of the implant and also a necessary factor for the design of the emergence profile. Reference | Related Articles | Metrics

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Decision tree for the selection of immediate restoration options after full-arch implant placement Peng Lingyan, Wang Yong, Su Yucheng Chinese Journal of Oral Implantology    2022, 27 (6): 381-386.   DOI: 10.12337/zgkqzzxzz.2022.12.010 Abstract （665）      PDF （1568KB）（1591）       Knowledge map    Save Today, immediate fixed restoration after full-arch implant placement is being used by more and more clinicians and patients. New technologies, devices and software continue to emerge, and there is some confusion in clinical application. To standardize the application of this protocol and provide patients with a variety of options, according to the article “Immediate temporary restoration options after full-arch implant placement” published in June 2022 in this journal, the author team further establishes this decision tree to solve such clinical cases, with the aim of providing implant prosthetic dentists with advices and references of diagnosis and treatment, which dentists can adopt with a comprehensive decision-making based on clinical situation, dentist's experience, available equipment and software. Reference | Related Articles | Metrics

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A case of teeth extraction and immediate implants with the application of ridge splitting technique in anterior mandibular alveolar ridge Shi Wen, Wang Miaozhen, Liu Feng Chinese Journal of Oral Implantology    2022, 27 (6): 340-345.   DOI: 10.12337/zgkqzzxzz.2022.12.003 Abstract （657）      PDF （1500KB）（1959）       Knowledge map    Save In the anterior mandibular aesthetic area, there is usually sufficient bone in the vertical direction and insufficient bone in the buccolingual and horizontal direction. In this paper, we present a case of a patient with multiple mandibular incisors to be extracted due to chronic periodontitis, in which the ridge splitting was applied to the anterior mandibular alveolar ridge with teeth extraction and immediate implant placement simultaneously. Teeth extraction, ridge splitting and implant placement were performed at the same time, and the second surgery was performed 6 months after the operation, and temporary restoration and permanent restoration were completed by digital technology 7 and 8 months after the first surgery.Teeth extraction and immediate implant placement with ridge splitting procedure allows the clinician to effectively augment the horizontal bone, improve implant success rate, reduce the number of operations and avoid a second operative area. The simultaneous application of ridge splitting technique with tooth extraction and implant placement with proper indications and operation details may have certain advantages over other implant options. Reference | Related Articles | Metrics

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The decision-making principles of sinus floor elevation Pi Xuemin, Liu Qian, Chen Deping, Ren Bin, Pan Hong, Su Yucheng Chinese Journal of Oral Implantology    2022, 27 (5): 322-326.   DOI: 10.12337/zgkqzzxzz.2022.10.011 Abstract （657）      PDF （1653KB）（2185）       Knowledge map    Save Reference | Related Articles | Metrics

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Influence of creating food escape grooves adjacent to marginal ridge on the perception of food impaction in implant-supported fixed prosthesis Zheng Jiabao, Gao Wenmo, Zuo Xiaoyun, Yang Bo, Luo Chenchen, Chen Ming Chinese Journal of Oral Implantology    2023, 28 (1): 26-29.   DOI: 10.12337/zgkqzzxzz.2023.02.005 Abstract （648）      PDF （1394KB）（908）       Knowledge map    Save Objective To investigate the effect of creating food escape grooves adjacent to marginal ridge on the improvement of food impaction around implant-supported prosthesis. Methods 41 patients with implant-supported prosthesis in the maxillary and mandibular molar regions complaining of distinct discomfort during chewing caused by food impaction around implants were selected. Food escape grooves were created adjacent to the marginal ridges of implant crowns. The patients were followed up regularly. Results All patients (100%) reported a significant improvement in symptoms of food impaction. Conclusion Creating food escape grooves adjacent to marginal ridge helps to improve the symptoms of food impaction and achieve a high level of patient satisfaction. Reference | Related Articles | Metrics

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Research progress on nano-silver antibacterial materials in the application in oral implantology Cheng Wen, Ma Xiaoting, Shen Yajie, Lv Shouyin, Shao Bo Chinese Journal of Oral Implantology    2023, 28 (1): 40-46.   DOI: 10.12337/zgkqzzxzz.2023.02.008 Abstract （645）      PDF （1498KB）（1253）       Knowledge map    Save As a new type of highly effective nanometer antibacterial material, nano-silver has a broad-spectrum antibacterial ability, high antibacterial efficiency, and good anti-inflammatory properties. At present, it is widely used in various fields of stomatology. The antibacterial mechanism and application of nano-silver was reviewed for the field of oral implantology, and the antibacterial research prospect of nano-silver were forecasted. Reference | Related Articles | Metrics

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Clinical outcomes of 3D printing individualized titanium mesh for severe alveolar bone defects: a retrospective series Xiong Zhenjie, Wei Yongxiang, Liu Qian, Chen Yaxin, Guo Xueqi, Ji Ruotong, Su Hanfu, Zou Yaokun, Wang Liping Chinese Journal of Oral Implantology    2025, 30 (1): 27-34.   DOI: 10.12337/zgkqzzxzz.2025.02.006 Abstract （645）      PDF （1959KB）（310）       Knowledge map    Save Objective To analyze the clinical outcomes and accuracy of 3D printing individualized titanium mesh (3D-PITM) in the treatment of severe alveolar bone defects. Methods This study involved 30 patients who underwent 3D-PITM supported guided bone regeneration (3D-PITMs GBR) at the Affiliated Stomatological Hospital of Guangzhou Medical University starting in February 2020. All patients signed informed consent and underwent surgery followed by regular postoperative follow-up. Individualized titanium meshes were fabricated using 3D printing technology, with preoperative virtual design and planning. Patients were followed for 6 to 8 months postoperatively, and clinical outcomes, as well as two-dimensional (2D) and three-dimensional (3D) imaging data, were collected and analyzed. Results Among the 30 patients, 4 experienced titanium mesh exposure, yielding an incidence rate of 13.33% (95% CI: 4.30%~22.36%). However, none of the patients experienced postoperative infections. During the 6-to 8-month follow-up period, implant sites achieved satisfactory bone augmentation in both horizontal and vertical dimensions. Imaging measurements revealed significant increases in alveolar bone width and height at 6 to 8 months postoperatively compared to preoperative values ( P<0.05). Postoperative bone augmentation volume also demonstrated significant improvement ( P<0.05). Furthermore, there were no statistically significant differences in alveolar bone changes between preoperative virtual planning and postoperative measurements (immediate and at 6 to 8 months) , indicating that 3D-PITM provides predictable bone augmentation outcomes. Conclusion 3D printing individualized titanium mesh effectively supports bone regeneration, achieves a high degree of matching with the defect site, and ensures the stability and effectiveness of newly formed bone. The 3D-PITM technique demonstrates high precision in restoring severe alveolar bone defects. Although complications such as titanium mesh exposure may occur, appropriate management can prevent the adverse impact on subsequent restoration outcomes. 3D-PITM is clinically valuable for restoring complex alveolar bone defects, providing reliable postoperative predictions and optimizing surgical planning. Reference | Related Articles | Metrics

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Expert consensus on bone grafting materials for sinus floor elevation: bioactive agents, cell therapies and graft-free sinus floor elevation Chinese Society of Oral Implantology Chinese Journal of Oral Implantology    2022, 27 (6): 329-333.   DOI: 10.12337/zgkqzzxzz.2022.12.001 Abstract （640）      PDF （1062KB）（905）       Knowledge map    Save Sinus floor elevation is a reliable approach to solve the problem of vertical bone deficiency in the posterior maxillary area. At present, there are many bone grafting materials available for sinus floor elevation, but no consensus on their selection is achieved. This consensus focuses on bioactive agents, cell therapies and graft-free sinus floor elevation, and summarizes the results on their clinical application, hoping to provide a reference for the selection during clinical practice. Reference | Related Articles | Metrics

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Risks and countermeasures of dental implant treatment in osteoporosis patients Liu Zhonghao, Dong Kai Chinese Journal of Oral Implantology    2024, 29 (4): 303-310.   DOI: 10.12337/zgkqzzxzz.2024.08.003 Abstract （601）      PDF （1557KB）（652）       Knowledge map    Save Osteoporosis (OP) is a systemic skeletal disease with the main characteristic of reduction of bone density and low bone mass. With the increasing age of the population, the incidence of OP increases year by year. Replacement of missing teeth with dental implants is one of the most common treatment options with a high success rate. However, in patients with OP, deterioration of bone tissue may lead to an increased risk of implant failure. Although OP is not a contraindication for implant therapy, clinicians should still pay great attention to associated risk factors. This article discusses the alveolar bone modeling and remodeling, the success rates of dental implants, the influence of anti-osteoporosis drugs, and the strategy of dental implant treatment in OP patients for clinical reference. Reference | Related Articles | Metrics

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Research progress on metal-organic frameworks in dental medicine Li Jian, Liang Ye, Zhao Baodong Chinese Journal of Oral Implantology    2024, 29 (6): 602-609.   DOI: 10.12337/zgkqzzxzz.2024.12.025 Abstract （596）      PDF （1601KB）（975）       Knowledge map    Save Metal-organic frameworks (MOFs) are nanoporous materials synthesized through the self-assembly of metal nodes and organic ligands. They are characterized by their highly ordered porosity, tunable pore size, large specific surface area, and diverse structures. With the advancements and applications of MOFs in the biomedical field, an increasing number of researchers have introduced MOFs into dental medicine for research. New MOFs have been tailored or developed based on the characteristics of the oral environment and diseases for use in oral disease treatment. The most commonly used MOFs in dentistry primarily include zeolitic imidazolate framework-8 (ZIF-8) and zeolitic imidazolate framework-67 (ZIF-67). The structure and function of MOFs are suitable for treating oral diseases, and they have shown promising results in researches related to periodontal disease, oral and maxillofacial tumors, dental pulp disease, and dental implants. However, their effectiveness still requires further validation through clinical trials. Reference | Related Articles | Metrics

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Current research status of transalveolar technique for sinus floor elevation with simultaneous placement of dental implants Xia Haibin, Xu Junyi Chinese Journal of Oral Implantology    2024, 29 (2): 109-117.   DOI: 10.12337/zgkqzzxzz.2024.04.004 Abstract （595）      PDF （1604KB）（828）       Knowledge map    Save When the residual bone height is insufficient in the maxillary posterior region, the transalveolar technique for sinus floor elevation with simultaneous implant placement is less invasive, resulting in milder postoperative reactions and shorter treatment periods compared to the lateral window technique. However, due to the limited surgical vision and elevation technique, the transalveolar technique is susceptible to mucoperiosteal perforation or compromised osteogenesis and is therefore traditionally considered suitable only for cases where the residual bone height is mildly inadequate. With modifications to surgical instruments, improvements in clinical skills, and the assistance of digital technology, researchers have gained new insights into the indications and surgical protocols for transalveolar sinus floor elevation with simultaneous placement of dental implants. This paper presents an overview of the current basic and clinical research status of the transalveolar technique for sinus floor elevation with simultaneous implantation by reviewing recent literature. Reference | Related Articles | Metrics

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Current status and progress of clinical application of oral occlusion Chen Jiang, He Kaixun Chinese Journal of Oral Implantology    2024, 29 (1): 3-8.   DOI: 10.12337/zgkqzzxzz.2024.02.002 Abstract （594）      PDF （1322KB）（951）       Knowledge map    Save Oral occlusion involves tooth position, temporomandibular joint movement, and muscle function. Normal oral occlusion is crucial for chewing, pronunciation, facial expressions, and other functions. Malocclusion can cause a series of complications, including pain in the temporomandibular joint and chipping of restorations. Therefore, the importance of oral occlusion in the field of oral medicine has become increasingly prominent. Through in-depth research on oral occlusion, dentists can better diagnose and treat occlusion-related problems and improve treatment effects and patients' quality of life. This article intends to introduce the current status and future directions of oral occlusion research and guide the application and development of implant occlusion. Reference | Related Articles | Metrics

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Inflammatory modulation and applications of biomaterials in oral bone regeneration Zhang Yufeng, Wang Yulan Chinese Journal of Oral Implantology    2023, 28 (5): 304-309.   DOI: 10.12337/zgkqzzxzz.2023.10.002 Abstract （592）      PDF （1284KB）（703）       Knowledge map    Save Significant progress has been made in the field of oral bone regeneration, with growing recognition of the pivotal role played by inflammation regulation. Temporal and contextual regulation of inflammation is essential for achieving successful bone repair. In the context of oral bone regeneration, biomaterials are employed as scaffolds/bone grafts to promote bone tissue formation in defect areas. The intrinsic properties of biomaterials may impact the inflammatory process and its regulation. Additionally, biomaterials can serve as carriers for immuno-modulatory drugs, further influencing bone regeneration. A comprehensive understanding of how biomaterials modulate inflammatory responses holds the potential to accelerate the development of novel bone regeneration materials. This review provides an overview of the current status of research on biomaterials in the context of oral bone regeneration and inflammation response, summarizing the laboratory advancements. The aim is to provide clinicians and researchers with a theoretical foundation for the selection and development of regenerative materials. Reference | Related Articles | Metrics

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Recent progress in bone regenerative materials for implant dentistry Li Xin, Liu Kaizheng, Wu Shiyu, Liu Yuanxiang, Huang Baoxin, Qiao Wei, Pan Haobo, Chen Zhuofan Chinese Journal of Oral Implantology    2024, 29 (4): 371-377.   DOI: 10.12337/zgkqzzxzz.2024.08.013 Abstract （591）      PDF （1414KB）（1059）       Knowledge map    Save There has been an increasing number of cases involving bone regeneration in oral clinical treatments, and the requirements for related biomaterials are simultaneously getting higher. This review aims to summarize the research status of bone regeneration materials in the field of implant dentistry. First, specific characteristics of oral bone regeneration applications are introduced. Next, the biochemical and physical properties that affect the performance of materials are discussed, followed by some of the key issues in the field. Finally, an outlook on future research directions is provided to promote the development of next-generation oral bone regeneration materials. Reference | Related Articles | Metrics

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Research progress on medication-related osteonecrosis of the jaw Gao Tingting, Bao Yongjie, Lv Xiaoyan, Chen Xian, Liu Yang, Xu Yilei, Lu Huanyou Chinese Journal of Oral Implantology    2024, 29 (5): 492-497.   DOI: 10.12337/zgkqzzxzz.2024.10.016 Abstract （582）      PDF （1310KB）（710）       Knowledge map    Save Medication-related osteonecrosis of the jaw (MRONJ) may be induced during the treatment of oral diseases in patients receiving anti-resorptive drugs such as bisphosphonates and denosumab, as well as angiogenesis inhibitors. However, the exact mechanism of MRONJ remains unclear, and although numerous studies have established clinical treatment databases, definitive treatment strategies have yet to be developed. Through a review of the literature, this study discusses the definition, etiology, staging, risk factors, treatment and prevention of MRONJ, providing a reference for clinical practice in oral healthcare. Reference | Related Articles | Metrics

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A case of digitally assisted immediate implant placement through impacted teeth in the aesthetic area Zhao Ning, Li Xiaojie, Kou Ni, Ma Guowu Chinese Journal of Oral Implantology    2024, 29 (3): 266-271.   DOI: 10.12337/zgkqzzxzz.2024.06.012 Abstract （580）      PDF （2405KB）（734）       Knowledge map    Save This paper presents a case of digitally assisted immediate implantation through impacted teeth in the aesthetic area. The patient had a root fracture caused by an upper anterior teeth trauma. One impacted canine and two impacted supernumerary teeth were found in the bone on the root side of the affected teeth. During treatment, under the guidance of the digital surgical guide plate and assistance by Er : YAG laser, immediate implantation through the impacted teeth was achieved. At the same time, autologous bone grafting material and platelet-rich fibrin were mixed for bone grafting at the two implant sites. Provisional and permanent restorations were completed with digital technology at 5 months and 8 months after the first stage of surgery, respectively. Postoperative CBCT showed that the implants penetrated through the crown, apical cementum, dentin, and pulp of the impacted teeth. No pain or other complications were found during the follow-up visit. There were no clinical symptoms at the 18-month follow-up visit. CBCT images showed that the bone density around the implants had increased and the lamina dura had formed. In this case, immediate implantation through the impacted teeth in the aesthetic area was realized with the digital assistance, providing a new clinical idea for the selection of treatment options for impacted teeth and increased clinical data for other healing forms of implants besides osseointegration. However, the clinical effect of this kind of operation still needs long-term follow-up observation. Reference | Related Articles | Metrics