Computer-aided Design Combined with 3D Printing Applied to Autologous Tooth Transplantation

doi:10.13701/j.cnki.kqyxyj.2021.01.017

Abstract

Abstract: Objective: To evaluate the clinical effect of 3D printing technology in autogenous tooth transplantation. Methods: From May 2016 to May 2019, 31 patients were selected and analyzed from the perspectives of age, gender, receiving area, donor tooth development, transplantation time, model preparation time, alveolar fossa preparation time, donor tooth separation time, average distance between donor root and alveolar fossa, transplantation operation score, and success rate. Results: The preparation time of the experimental group and the control group was (12.28±3.15 vs 19.86±6.52) min, the separation time of the donor teeth in the experimental group and the control group was (3.22±1.21 vs 12.12±4.18) min, and the average distance between the root surface of the experimental group and the control group was (0.76±5.44 vs 1.31±0.16) mm, respectively. At 8 weeks after the operation, 96.67% of the patients in the experimental group achieved grade Ⅰ and grade Ⅱ , while 83.87% in the control group. Six months after the operation, the success rate of the experimental group was 96.67%, and the retention rate was 100%; the success rate of the control group was 90.00%, and the retention rate was 96.78%. Conclusion: Based on CAD and 3D printing technology, autogenous tooth transplantation can shorten the time of donor teeth in vitro, improve the matching degree of donor area and recipient area, and effectively improve the clinical success rate of autogenous tooth transplantation.

Key words: autologous tooth transplantation, 3D printing, periodontal ligament healing, transplantation evaluation

ZHU Xiaoxue, ZHAO Sufeng, YANG Xudong, SUN Guowen, YANG Yaping, HUANG Lijuan, HE Kai. Computer-aided Design Combined with 3D Printing Applied to Autologous Tooth Transplantation[J]. Journal of Oral Science Research, 2021, 37(1): 76-80.

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