Chinese Journal of Oral Implantology

Effect of CGF and Bio-oss ratio on site preservation

LI Beibei, CHEN Zhiyu, YUAN Shuo, et al

2020, 25(4): 151-154. DOI: 10.12337/zgkqzzxzz.2020.12.001

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Objective: Different ratios of CGF and Bio-oss were filled in teeth extraction socket, to explore the ratio of better site preservation effect. Methods: 24 male New Zealand rabbits, the experiment has been approved by the ethics committee of Hospital of Stomatology Hebei Medical University. Groups A, B and C were CGF mixed with Bio-oss at the ratio of 2:1, 1:1 and 1:2. Group D was control group. The teeth extraction socket of the first premolar on both sides of mandible was filled with the same ratio. The left operation was performed on 8 weeks after the right operation, and then they were sacrificed after 4 weeks.Amount of new bone formation and the degree of bone maturity were observed histologically at 4 and 12 weeks using HE and Masson stain. X-rays were used to evaluate the alveolar bone absorption.All images were analyzed by image-pro Plus6.0. Results: At the same time, the order of was group A, B, C and D(P<0.05), alveolar bone resorption in group A, B and C was smaller than group D(P<0.05). At the same group, the new bone formation, bone mass, alveolar bone resorption at 12 weeks was higher than that at 4 week（P<0.05）. Conclusion: When CGF and Bio-oss were mixed in the ratio of 2:1 was better.

Accuracy analysis of 3D printing guide plate technique in implant operation and postoperative of patients with dentition defect

LI Erhong, XUE Bin, QIN Yumiao

2020, 25(4): 155-157. DOI: 10.12337/zgkqzzxzz.2020.12.002

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Objective: To investigate the application effect of 3D printing guide plate technology in the implantation of patients with dentition defect and its influence on postoperative accuracy. Methods: A total of 98 patients(98 teeth) in our hospital from June 2018 to May 2019 were randomly divided into conventional group(n=49 cases, 49 pieces) and 3D group(n=49 cases, 49 pieces). The patients of conventional group were implanted with the aid of traditional implant guide plate, and the patients of 3D group were implanted with 3D printing guide technology. The accuracy and satisfaction of the two groups were compared. After 12 months of follow-up, the probing depth, implant success rate and bone resorption were compared between the two groups. Results: The deviation values of buccolingual, mesial, distal and vertical directions of implant tip and neck in 3D group were significantly less than those in conventional group(P<0.05). The buccolingual, proximal and distal deviation values of implant in 3D group were significantly lower than those in conventional group(P<0.05), while the satisfaction of 3D group was significantly higher than that of conventional group(P<0.05). There was no significant difference in probing depth and bone resorption between 3D group and conventional group(P>0.05). There were no significant difference in the success rate of implantation between the two groups at 3 months and 6 months after operation(P>0.05), but the implantation success rate after 9 months and 12 months of follow-up in 3D group were significantly higher than that in conventional group(P<0.05). Conclusion: 3D printing guide plate technology helps to reduce the error of restoration angle and position of patients with dentition defect, and ensure the accuracy of dental implant.

Study and analysis of aesthetic value and clinical effect of dental implant in repairing dentition defect

ZHANG Wenjie

2020, 25(4): 158-160. DOI: 10.12337/zgkqzzxzz.2020.12.003

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Objective: To analyze the clinical effect and aesthetic value of dental implant repair for dentition defect. Methods: 60 patients with dentition defect treated in our hospital from January to December 2019 were studied. They were divided into two groups according to the treatment method. the control group(n=30) underwent implement routine repair, and the observation group(n=30) underwent dental implant restoration. The therapeutic effect and aesthetic value of the two groups of patients were observed and compared. Results: After half-year follow-up review, the control group was significantly lower than the observation group in terms of language function, masticatory function, comfort, retention and aesthetic effect, and the total satisfaction of patients with dentition aesthetics in the control group(73.33%) was also significantly lower than that in the observation group(96.67%), the clinical effect and aesthetic value in the observation group were higher than those in the control group, and the differences between the groups were statistically significant. Significance(P<0.05). Conclusion: Dental implantation can effectively improve the dental function and aesthetics of patients, and has significant curative effect and high patient satisfaction, which is of great research value.

The effect of the distance from the implant-abutment interface to the porcelain-abutment bonded interface on marginal bone loss: a 4-5 year retrospective study

XIA Xun, WEI Zhenyu, HU Changqi, et al

2020, 25(4): 161-164. DOI: 10.12337/zgkqzzxzz.2020.12.004

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Objective: To analyze the effect of the distance from Bicon implant-abutment interface (IAI) to prosthesis-abutment bonded interface(PAI) on marginal bone loss(MBL). Methods: Select the patients who meet the criteria from June 2011 to December 2014, and analyze the correlation between the distance between IAI and PAI and MBL by imaging. Results: On the two-dimensional level, the vertical distance and distance between points from IAI to PAI showed a significant correlation with MBL(P<0.01), and the degree of correlation was weak. There was no significant correlation between horizontal distance and MBL (P>0.05). Conclusion: Without affecting aesthetics, properly increasing the distance between IAI and PAI is beneficial to the preservation of bone tissue.

The clinical application of platelet-rich fibrin(PRF)combined with artificial bone meal in oral implant guided bone regeneration

ZHANG Jie, XIA Chuanchu, LI Xiaoping

2020, 25(4): 165-168. DOI: 10.12337/zgkqzzxzz.2020.12.005

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Objective: To analyze the clinical application value of platelet-rich fibrin(PRF)combined with artificial bone meal in oral implant guided bone regeneration. Methods: Oral implant guided bone regeneration patients were taken as the main object of this study. The total number of patients (selected number) was 60. The patients were collected from March 2019 to May 2020. The 60 patients were randomly divided into two groups by computer. Among them, 30 patients were taken as observation group (treated with platelet-rich fibrin combined with artificial bone meal) and 30 patients were taken as control group (treated with biomembrane intervention). The total effective rate, bone graft height, bone formation height and complication rate of the two groups were compared. Results: The total effective rate of the observation group was 90.00% higher than that of the control group 70.00%(P<0.05). The bone graft height (2.67±0.49)mm and bone formation height (2.57±0.39)mm in the observation group were different from those in the control group(P<0.05). The incidence of complications in the observation group was 1.00% lower than that in the control group(10.00%)(P<0.05). Conclusion: The application of platelet-rich fibrin combined with artificial bone meal in the treatment of patients with oral implant-induced bone regeneration has achieved remarkable results, which can promote the regeneration of bone defects and facilitate the early recovery of patients.

The nursing cooperation of artificial dental implant operation and its influence on the success rate of operation

PENG Guixue

2020, 25(4): 169-171. DOI: 10.12337/zgkqzzxzz.2020.12.006

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Objective: To explore the nursing cooperation of artificial dental implant operation and its influence on the success rate of operation. Methods: A total of 72 patients admitted to our hospital from June 2019 to June 2020 were randomly divided into observation group and control group, with 36 patients in each group. The application of personalized care is the observation group, the formulation of long-term care is the control group. Nursing satisfaction, operation success rate, complication rate and quality of life were compared and analyzed. Results: The total incidence of complications in the observation group of 0 cases (0.00%) was significantly lower than that in the control group of 6 cases (16.67%), the difference was statistically significant(P<0.05). The nursing satisfaction of 34 cases (94.44%) in the observation group was higher than that of 27 cases(75.00%) in the control group, the difference was statistically significant(P<0.05). The surgical success rate of 35 cases(97.22%) in the observation group was significantly higher than that of 28 cases(77.78%) in the control group, with statistically significant difference(P<0.05). Compared with the control group, the scores of social, physical, environmental, psychological and comprehensive quality of life in the observation group were significantly higher, with statistically significant differences(P<0.05). Conclusion: Personalized nursing measures can reduce the incidence of clinical complications, achieve excellent satisfaction, improve the success rate of surgery, safe and effective, improve the quality of life, and have clinical application value.

Application of minimally invasive tooth extraction and immediate implant technique in 42 cases of anterior tooth restoration

FAN Haizhen, XIAO Bin, JIANG Duanlin

2020, 25(4): 172-175. DOI: 10.12337/zgkqzzxzz.2020.12.007

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Objective: To observe the effect of minimally invasive tooth extraction and immediate implant technique in 42 cases of anterior tooth restoration. Methods: A total of 84 patients with missing maxillary anterior teeth who were admitted to the Department of Stomatology, Yuebei People’s Hospital from May 2017 to May 2018 were selected as the research objects, and they were divided into an immediate group and a delayed group (42 cases in each) using a random number table method. The immediate implantation technique was implemented after minimally invasive tooth extraction in the immediate group, and the delayed implantation technique was implemented after minimally invasive tooth extraction in the delayed group. The aesthetic effects and restoration satisfaction of the two groups were observed. Results: There was no statistical significance between the red aesthetic index and white aesthetic index scores of the two groups at the completion of the restoration (P>0.05), the red aesthetic index and white aesthetic index scores of the two groups were higher than that at the completion of the restoration 6 months after the restoration, and the immediate group was significantly higher than the deferred group (P<0.05), the repair satisfaction score(9.08±0.85) of the immediate group was significantly higher than the deferred group(8.13±0.93) after 12 months of repair. Conclusion: The minimally invasive tooth extraction and immediate implant technique can effectively improve the aesthetic effect and satisfaction of patients with maxillary anterior tooth loss, and can be widely used in clinical practice.

The application effect of comprehensive nursing intervention in the disinfection of dental implant instruments and its influence on infection control

ZHU Xine

2020, 25(4): 176-179. DOI: 10.12337/zgkqzzxzz.2020.12.008

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Objective: To explore the effect of comprehensive nursing intervention in the disinfection of dental implant instruments and the actual impact on infection control. Methods: Selected 260 patients with oral diseases who were treated in the Department of Stomatology of our hospital from June 2018 to June 2020. The patients were sorted according to their admission time. The first 130 patients were the control group. Routine nursing intervention was carried out on dental implant devices; the latter 130 patients were in the experimental group, and comprehensive nursing intervention was implemented on the dental implant devices used by them. The disinfection qualification rate and average colony counts, hospital infection rate and device damage rate of the two groups of oral implant instruments were compared, and the satisfaction with the disinfection intervention of implant instruments was compared. Results: The disinfection qualification rate of oral implant instruments in the experimental group (87.69%) was significantly higher than that of the control group(70.77%), and the average number of colonies was significantly less than that of the control group(P<; 0.05), the hospital infection rate of the experimental group(3.85%) The rate of equipment damage(0.77%) was significantly lower than that of the control group (13.85%) and (7.69%) (P<; 0.05), the satisfaction score of the experimental group of patients with implantation equipment disinfection intervention was significantly higher than that of the control group (P<; 0.05). Conclusion: The application of comprehensive nursing intervention in the disinfection of dental implant instruments is beneficial to improve the disinfection qualification rate of implant instruments, reduce the rate of hospital infection and instrument damage, and have high patient satisfaction, which is worth recommending.

The application effect of fine nursing in the continuous disinfection of circulating air in the dental implant operation room

WANG Lele

2020, 25(4): 180-181. DOI: 10.12337/zgkqzzxzz.2020.12.009

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Objective: To explore the application effect of fine nursing in the continuous disinfection of circulating air in the dental implant operation room. Methods: 75 cases of dental implant patients admitted to our hospital from November 2018 to February 2020 were selected for analysis. According to the random number table method divided into two groups. Both groups were continuously disinfected by circulating air in the dental implant operation room. 37 patients in the control group received routine nursing management, and 38 patients in the observation group received refined management. The nursing satisfaction of patients in the two groups was compared. Results: 38 patients in the observation group nursing satisfaction were significantly better than the control group(P<0.05). Conclusion: The implementation of fine nursing in the continuous disinfection of circulating air in the dental implant operating room can effectively improve the patient's medical experience, which is worthy of popularization and application.

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