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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 （932）      PDF （1334KB）（1136）       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 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 （422）      PDF （1160KB）（1075）       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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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 （1296）      PDF （1348KB）（898）       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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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 （417）      PDF （1566KB）（897）       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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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 （686）      PDF （1172KB）（876）       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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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 （624）      PDF （1435KB）（840）       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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Clinical procedure of transalveolar technique for sinus floor elevation Chen Deping, Liu Qian, Pi Xuemin, Pan Hong, Ren Bin, Su Yucheng Chinese Journal of Oral Implantology    2023, 28 (2): 128-132.   DOI: 10.12337/zgkqzzxzz.2023.04.011 Abstract （346）      PDF （1348KB）（814）       Knowledge map    Save The transalveolar technique for sinus floor elevation is a common surgical approach when there is insufficient vertical bone height in the maxillary posterior region for implant treatment. This article describes the evolution of this technique and the technical points of the clinical approach. It is very difficult to assess the intactness of the maxillary sinus mucoperiosteum in transalveolar technique when simultaneous bone augmentation is required. The use of electronic endoscope is a very helpful method to better confirm the preparation depth of the implant site and the status of the maxillary sinus mucoperiosteum, thus effectively avoiding complications of bone augmentation due to the maxillary sinus mucoperiosteum perforation. This article focuses on the clinical procedures and considerations in the use of transalveolar technique for sinus floor elevation to provide a reference for clinicians to improve the predictability of this technique. 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 （319）      PDF （1106KB）（786）       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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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 （463）      PDF （1653KB）（772）       Knowledge map    Save 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 （373）      PDF （1076KB）（732）       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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Root cause analysis of 3 cases of adverse events involving swallowing and aspiration in dental implant procedures Jiao Mingxiu, Bao Xianjing, Chen Haixia Chinese Journal of Oral Implantology    2023, 28 (5): 347-350.   DOI: 10.12337/zgkqzzxzz.2023.10.009 Abstract （183）      PDF （1400KB）（704）       Knowledge map    Save Objective The retrospective analysis was conducted on three cases of adverse events involving swallowing and aspiration in our hospital by applying the root cause analysis method. Methods The root causes of the events were identified in terms of systematic processes by creating a cause-and-effect diagram. Results The root causes of these incidents were identified in the system process: the lack of standardized preventive measures, insufficient patient evaluation, inadequate preoperative precautionary measures, and treatment positions that could easily result in swallowing and aspiration. Conclusion To address these three root causes, specific improvement measures were implemented: conducting adequate preoperative patient evaluations, enhancing preoperative precautionary measures, adjusting patient treatment positions, strengthening preventive measures during procedures, and enhancing supervision of such incidents. 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 （458）      PDF （1495KB）（681）       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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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 （822）      PDF （1177KB）（680）       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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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 （239）      PDF （1706KB）（662）       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 implications of 3-dimensional osteogenesis model for maxillary sinus to promote osteogenesis in maxillary sinus Zhou Yanmin, Qin Qiuyue Chinese Journal of Oral Implantology    2023, 28 (2): 69-76.   DOI: 10.12337/zgkqzzxzz.2023.04.001 Abstract （377）      PDF （2718KB）（651）       Knowledge map    Save The "3-dimensional osteogenesis model for maxillary sinus" (3D-OMMS) elucidated the osteogenic mechanism of maxillary sinus floor elevation. It provides a scientific theoretical basis for the treatment of maxillary sinus floor elevation in patients with missing maxillary posterior teeth. This manuscript reports the clinical application of "3D-OMMS" in the implants including single tooth or multiple teeth, immediate and delayed implants, transalveolar sinus floor elevation and lateral window approach sinus floor elevation, respectively. Preoperative and postoperative cone-beam computed tomography（CBCT）images were used to evaluate the osteogenic effect of the maxillary sinus region. In conclusion, the application of 3D-OMMS can form a three-dimensional space with diversified osteogenic directions in the maxillary sinus, shorten the vascularization osteogenesis path, accelerate the osteogenic process, improve the quality of new bone, and increase the success rate of implantation, which can be widely used in clinical practice. 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 （386）      PDF （1437KB）（647）       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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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 （434）      PDF （1568KB）（645）       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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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 （328）      PDF （1401KB）（585）       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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The decision-making principles of sinus floor elevation (part 3) Pi Xuemin, Liu Qian, Chen Deping, Ren Bin, Pan Hong, Su Yucheng Chinese Journal of Oral Implantology    2023, 28 (1): 58-66.   DOI: 10.12337/zgkqzzxzz.2023.02.011 Abstract （313）      PDF （1350KB）（566）       Knowledge map    Save 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 （434）      PDF （1062KB）（565）       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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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 （419）      PDF （1500KB）（553）       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 (part 2) Pi Xuemin, Chen Deping, Liu Qian, Ren Bin, Pan Hong, Su Yucheng Chinese Journal of Oral Implantology    2022, 27 (6): 387-392.   DOI: 10.12337/zgkqzzxzz.2022.12.011 Abstract （280）      PDF （1289KB）（536）       Knowledge map    Save 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 （424）      PDF （895KB）（489）       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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Research status on 3D printed individualized scaffold materials in alveolar bone augmentation Cheng Yi, Huang Haitao Chinese Journal of Oral Implantology    2023, 28 (2): 114-118.   DOI: 10.12337/zgkqzzxzz.2023.04.008 Abstract （220）      PDF （1165KB）（475）       Knowledge map    Save Patients with severe bone mass deficiencies require bone augmentation surgery prior to implantation, and the success depends on the stability of the bone graft material and the ability to maintain the bone regeneration space. The scaffolds provide the spatial structure and osteogenic environment for bone regeneration, which are critical to the effect of bone augmentation. With the development of computer-aided design and computer-aided manufacturing, 3D printed individualized scaffolds prepared from different materials have emerged. In this paper, the characteristics and applications of titanium mesh, polyetheretherketone mesh and absorbable polymer composite scaffold materials are discussed, and the application effects and future development directions are evaluated. Reference | Related Articles | Metrics

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Surface decontamination in peri-implantitis management Dong Xiaoxiao Chinese Journal of Oral Implantology    2023, 28 (6): 437-443.   DOI: 10.12337/zgkqzzxzz.2023.12.008 Abstract （117）      PDF （1359KB）（466）       Knowledge map    Save Surface decontamination of implants is much more difficult than that of natural teeth. Incomplete decontamination is the main reason causing peri-implantitis treatment failure. This article reviews the implant surface decontamination modalities: mechanical decontamination methods, chemical decontamination methods and physical methods. Mechanical decontamination methods are the treatment most well documented. It is the foundation for peri-implantitis treatment. Nowadays, there is no gold standard for management of peri-implantitis. A combination of different decontamination modalities is recommended. Reference | Related Articles | Metrics

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Clinical analysis of extraction site preservation using Bio-Oss Collagen after extraction of maxillary molars Yu Jiuyue, Jia Wenhao, Fang Li, Wang Jian, Li Jiangming, Liu Han, Guo Qili Chinese Journal of Oral Implantology    2023, 28 (2): 90-96.   DOI: 10.12337/zgkqzzxzz.2023.04.004 Abstract （377）      PDF （1591KB）（465）       Knowledge map    Save Objective To investigate a clinical treatment method for extraction site preservation using Bio-Oss Collagen after extraction of maxillary molars. Methods The clinical data of 6 cases were retrospectively analyzed, and all 6 patients were treated with Bio-Oss Collagen for extraction site preservation after extraction of maxillary molar teeth. These six cases met the following characteristics: the affected tooth was destructed in the alveolar bone in the area of its furcation due to periodontitis or combined periodontal-endodontic lesions, and needed to be extracted; the remaining bone height in the top central part of the alveolar ridge was less than 3.5 mm after the extraction of the affected tooth; the bone walls of the buccal, lingual, mesial and distal parts of the extraction socket were nearly intact. After extraction of the affected tooth, the granulation tissue in the alveolar socket was thoroughly removed. Bio-Oss Collagen was placed in the alveolar sockets and the soft tissues were cross-sutured to hold the graft in place. The sutures are removed 7-10 days after surgery. CBCT was taken preoperatively, immediately postoperatively and at six months postoperatively. The vertical height of the remaining alveolar ridge was measured using Mimics 20.0 at five sites: buccal and lingual in the coronal position, mesial and distal in the median sagittal position, and central. Results Primary healing was obtained in all six patients. At 6 months after extraction, the patients had well healed alveolar sockets, normal gingival color and texture, and no change in attached gingival width. CBCT taken at 6 months after extraction showed no change or a small increase in alveolar crest height at the buccal, lingual, mesial and distal sites, but an increase of 3.48 to 7.89 mm at the central site, among the 5 sites measured. Conclusion After extraction of maxillary molars, Bio-Oss Collagen can be used for extraction site preservation if the surrounding bone wall height is adequate. This method causes less trauma, has a shorter operation time, and its results are similar to those of conventional extraction site preservation. Reference | Related Articles | Metrics

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Application of Bio-Oss Collagen with tent pole procedure in vertical bone augmentation of edentulous maxillary posterior area: a case report Li Xiaoyu, He Jie, Wang Xueke, Duan Jingyi, Ge Chang, Meng Weiyan Chinese Journal of Oral Implantology    2023, 28 (2): 97-101.   DOI: 10.12337/zgkqzzxzz.2023.04.005 Abstract （242）      PDF （1566KB）（462）       Knowledge map    Save Vertical bone augmentation is one of the greatest challenges of bone regeneration in implant dentistry. When the bone defect is large, it is often necessary to open a second operative area for autologous bone block grafting or to use titanium mesh or non-absorbable membrane in combination with autologous bone blocks or particulates. The incidence of complications is high and the surgical trauma is significant. In this case, the patient had a severe vertical bone defect in the posterior maxillary region. Bio-Oss Collagen combined with titanium tent poles and absorbable collagen membrane were used for vertical bone augmentation. The average bone height increased by 6.57 mm at 6 months after bone grafting, which met the need of implant implantation. The bone tissue around the implant was relatively stable during the follow-up after restoration. Due to the predictable effect of bone augmentation, the simpler operation procedure and the less invasive results, this operation can provide a reference for the clinical selection of vertical bone augmentation. 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 （320）      PDF （1549KB）（458）       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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Fluorinated porcine-derived bone substitute: from concept to practice Liu Quan, Chen Shoucheng, Chen Zhuofan Chinese Journal of Oral Implantology    2022, 27 (5): 280-284.   DOI: 10.12337/zgkqzzxzz.2022.10.004 Abstract （296）      PDF （1412KB）（425）       Knowledge map    Save Biological calcium phosphate-based bone substitutes have been widely used in the rehabilitation of bone defects in implant dentistry, due to their great biocompatibility and osteoconductivity. It has become an important optimizing strategy for bone regeneration materials through trace elements incorporation and controlled release to promote osteogenesis by regulating the regenerative microenvironment. In recent years, a series of studies have shown that fluorinated porcine bone substitute has good mechanical properties and the capacity of fluorine slow-release which could promote bone regeneration by activating the Wnt/β-catenin signaling pathway and regulating the immune microenvironment. Such an in vitro effect of fluorinated porcine bone substitute has been evidently proven in a variety of subsequent studies in vivo. This article summarized the research progress of the fluorinated porcine bone substitute so as to provide a reference for related basic research and clinical application. 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 （565）      PDF （1067KB）（420）       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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Research progress on the modification of polyetheretherketone for implant applications Gu Teng, Wang Xuran, Wang Penglai Chinese Journal of Oral Implantology    2022, 27 (6): 371-375.   DOI: 10.12337/zgkqzzxzz.2022.12.008 Abstract （312）      PDF （1049KB）（418）       Knowledge map    Save Polyetheretherketone (PEEK) has good mechanical properties, excellent biocompatibility, and elastic modulus close to the bone, avoiding the stress shielding effect on the bone and reducing bone resorption. It has been gradually used in the field of oral implants. However, the biologically inert surface of PEEK limits its clinical application in oral implants, and the modification of PEEK to optimize its bioactivity has become a hot topic for researchers to study. This paper presents a systematic review of research progress on the modification of PEEK for implant applications. Reference | Related Articles | Metrics

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Characterization of peri-implant microbes and their changes under diseased conditions Liu Yue, Zhao Yajun, Liu Jin, Du Mi, Lan Jing Chinese Journal of Oral Implantology    2023, 28 (1): 35-39.   DOI: 10.12337/zgkqzzxzz.2023.02.007 Abstract （223）      PDF （1514KB）（413）       Knowledge map    Save Peri-implant disease is a biological complication that occurs in the peri-implant tissue with plaque biofilm as the initiating factor. The initial colonization, homeostasis, and dysbiosis of peri-implant submucosal microbes are closely related to the healthy and diseased states of the peri-implant. This article reviews the research on the characterization of peri-implant microbes and their changes in the diseased states. The results showed that there are significant differences in the structure of submucosal microbes between states of healthy peri-implant, peri-implant mucositis and peri-implantitis. The count of submucosal periodontal pathogens and the complexity of microbes increased when peri-implant disease occurred. The clinical manifestations of peri-implant disease were correlated with the variety in the type and quantity of microbes. 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 （236）      PDF （1090KB）（410）       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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Exploration of the application of digital technology in implant treatment of edentulous patients Sun Wei, Shi Bin Chinese Journal of Oral Implantology    2023, 28 (4): 217-222.   DOI: 10.12337/zgkqzzxzz.2023.08.002 Abstract （209）      PDF （1523KB）（405）       Knowledge map    Save With the widespread application of digital technology in oral implantology, implant surgery and prosthetic procedures have been significantly optimized. However, the digital process of implant treatment for patients with edentulism has yet to be integrated. This paper combined the application of emerging digital technologies in the process of implant treatment for patients with edentulism and sorted out the full digital process in order to provide reference for implant specialists. 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 （453）      PDF （1394KB）（404）       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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A novel guided implant placement solution for patients treated with orthodontic-prosthodontic-implant combined therapy : a case report Wang Zixiao, Xia Shuchi, Wang Qing Chinese Journal of Oral Implantology    2022, 27 (5): 299-303.   DOI: 10.12337/zgkqzzxzz.2022.10.007 Abstract （283）      PDF （1691KB）（403）       Knowledge map    Save Reference | Related Articles | Metrics

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Study on surface dealloying treatment and cytocompatibility of 3D printed nickel-titanium implants Qin Xinyu, Zhang Liang, Chen Yingying, Han Zekui, Su Yucheng, Wang Xinyu Chinese Journal of Oral Implantology    2023, 28 (2): 77-81.   DOI: 10.12337/zgkqzzxzz.2023.04.002 Abstract （232）      PDF （1383KB）（398）       Knowledge map    Save Objective This paper investigates the optimal modification process of 3D printed nickel-titanium alloys by bioactive treatments such as sandblasting, acid etching, and dealloying. Methods The surface structure and properties of specimens were examined by scanning electron microscope (SEM), energy dispersive spectrometer (EDS) and contact angle measurement. In this study, bone marrow mesenchymal stem cells (hBMSCs) were used to study the biocompatibility and osteogenic activity of different surfaces. Results The hydrophilicity of the dealloying surface was improved. EDS results showed that the surface nickel elementdecreased from 52.1wt% to 18.6wt%, which not only accelerated the differentiation and proliferation of cells on the surface, but also enhanced the adhesion ability of cells. Conclusion The dealloyed surface constructed a more abundant nanoscale mesh structure, which significantly promoted the osteogenic differentiation and functional expression of cells, which was of great importance for improving the osseointegration ability and long-term stability of implants. Reference | Related Articles | Metrics

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Research progress on trace elements modification of PEEK implant Luo Guisheng, Liu Yumeng, Wang Penglai, Yuan Changyong Chinese Journal of Oral Implantology    2023, 28 (2): 109-113.   DOI: 10.12337/zgkqzzxzz.2023.04.007 Abstract （188）      PDF （1192KB）（398）       Knowledge map    Save Polyetheretherketone (PEEK) is a high-performance specialty plastic with good mechanical properties and biocompatibility and is easy to process and form, making it an alternative material for dental implants. However, the lack of biological activity and the easy accumulation of plaque limit the clinical application of PEEK in the field of oral implantology. At present, many scholars solve the problem of biological inertia and plaque attachment of PEEK through trace elements modification. Different trace elements have their own advantages. Strontium, tantalum, manganese, and other elements can promote osteoblast differentiation. Fluorine, silver, zinc, and other elements can inhibit the growth of inflammatory bacteria, and the co-modification of various trace elements gives PEEK implant more diversified properties. Reference | Related Articles | Metrics

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Implant failure caused by mandible fibro-osseous lesions: a case report and the literature review Zhao Man, Zheng Yaqi, Yan Zhengbin, Li Xiaomin, Yang Xiaoyu Chinese Journal of Oral Implantology    2022, 27 (6): 346-351.   DOI: 10.12337/zgkqzzxzz.2022.12.004 Abstract （262）      PDF （1462KB）（396）       Knowledge map    Save A case of implanting in the bilateral mandibular posterior area simultaneously with different prognosis was reported. Finally, the implant on the right side was loose and removed after six months, which was failed without osseointegration. Otherwise, a good osseointegration was formed on the left side, and the implant was loaded routinely. In the right mandibular posterior area, there were fibro-osseous lesions with unremarkable imaging findings, which were finally diagnosed by histopathology. Mandible fibro-osseous lesions mainly refer to a mixture of pathological changes of fibrosis and ossification in technology. The performance of such lesions is not obvious or present with similar symptoms and radiographic appearances, which lead to difficulties in diagnosis. In this article, the causes of failure in this case were analyzed. Furthermore, the features of ossifying fibroma and fibrous dysplasia in clinical manifestation, radiology, histopathology and so on were reviewed in this article, in order to provide a risk assessment and early warning of implants with fibro-osseous lesions for clinic. Reference | Related Articles | Metrics

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Expert consensus on maxillary sinus floor elevation: maxillary sinus septum Chinese Society of Oral Implantology Chinese Journal of Oral Implantology    2024, 29 (2): 103-108.   DOI: 10.12337/zgkqzzxzz.2024.04.003 Abstract （190）      PDF （1040KB）（393）       Knowledge map    Save The maxillary sinus septum is a common bony structure in the maxillary sinus. It is very important to understand the presence of the maxillary sinus septum when designing the sinus floor elevation. Therefore, this paper summarizes the classification of maxillary sinus septum, its anatomical and biological characteristics, its influence on maxillary sinus osteogenesis, and its treatment methods and principles, in order to provide a reference for the clinical implementation of sinus floor elevation with maxillary sinus septum, and to reduce the complications caused by the presence of maxillary sinus septum. Reference | Related Articles | Metrics