Comparative study on accuracy of 2 kinds of CAD/CAM dental digital guide plates in dental implantation

doi:10.19438/j.cjoms.2023.01.005

Abstract

Abstract: PURPOSE: To compare the accuracy of 2 kinds of CAD/CAM dental digital guides in dental implantation. METHODS: A total of 36 patients with oral implants from Dental Disease Prevention and Control Institute of Shanghai Jing’an District were selected for CBCT examination and intraoral laser scanning. The data obtained were imported into 3Shape software and designed before operation. Two guides were generated in each case. Data of A guide plate came from the fitting of CBCT, while data of B guide plate for CBCT and intraoral laser scanning, and the type of guide plate was randomly selected and used. After operation, CBCT was taken and the data were imported into the design software, and the position of the design before implantation was compared. R software (version 4.1.0) was used for data analysis. RESULTS: The distance deviation of the top center point of the implant, the distance deviation of the center point at the bottom of the implant and the angle deviation of the line connecting the two center points in B guide plate group were significantly lower than those in A guide plate (P<0.05). CONCLUSIONS: The accuracy of CAD/CAM dental digital guide plate generated by the fitting of CBCT and intraoral laser scanning data is higher, which is helpful to improve the accuracy of three-dimensional position of dental implant.

Key words: Digital guide plate, Dental implant, Accuracy

CLC Number:

R782.1

DAI Xiao-feng, HUANG Xin, LI Cheng, WANG Chen-xin, SHI Le, YU You-cheng. Comparative study on accuracy of 2 kinds of CAD/CAM dental digital guide plates in dental implantation[J]. China Journal of Oral and Maxillofacial Surgery, 2023, 21(1): 29-35.

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