In vitro and in vivo accuracy of autonomous robotic vs. fully guided static computer‐assisted implant surgery

Author:

He Jin1,Zhang Qinmeng1,Wang Xueting1ORCID,Fu Mengdie1,Zhang Hui1,Song Luyao1ORCID,Pu Rui1,Jiang Zhiwei1,Yang Guoli1

Affiliation:

1. Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province Cancer Center of Zhejiang University Hangzhou China

Abstract

AbstractObjectivesTo assess the accuracy of autonomous robotic and fully guided static computer‐assisted implant surgery (sCAIS) performed on models and patients.Materials and MethodsThis study was divided into in vitro and in vivo sections. In vitro, 80 operators were assigned to two groups randomly. Forty operators performed forty autonomous robotic implant (ARI group) surgeries and the remaining forty operators carried out forty fully guided sCAIS (FGI group) surgeries on maxillary models, respectively. Each operator placed an implant in one maxillary model. In vivo, 60 patients with 113 implants from 2019 to 2023 (ARI group: 32 patients, 58 implants; FGI group: 28 patients, 55 implants) receiving implant surgeries were incorporated in this retrospective research. The preoperative and postoperative cone beam computer tomographs (CBCTs) were utilized to estimate the linear deviations and angular deviations in two‐dimensional (2D) and three‐dimensional (3D) space. The Pearson's chi‐square test, Shapiro–Wilk test, Student's t test, Mann–Whitney U test and mixed models were applied, and p <0.05 was considered statistically significant.ResultsIn vitro, a total of 80 implants were enrolled and significant differences were found between the two groups (p < 0.001): The 3D deviation at the platform of ARI and FGI group was 0.58 ± 0.60 mm and 1.50 ± 1.46 mm, respectively, at the apex was 0.58 ± 0.60 mm and 1.78 ± 1.35 mm, respectively, and angle was 1.01 ± 0.87° and 2.93 ± 1.59°, respectively. Also, except for mesiodistal deviation at the implant platform, the rest linear and angular deviations in the ARI group were significantly lower than those in the FGI group in 2D space (p < 0.001). In vivo, a significantly lower mean of angular deviation (0.95 ± 0.50°, p < 0.001) and the linear deviation at both platform (0.45 ± 0.28 mm, p < 0.001) and apex (0.47 ± 0.28 mm, p < 0.001) were observed in ARI group when compared to the FGI group (4.31 ± 2.60°; 1.45 ± 1.27 mm; 1.77 ± 1.14 mm).ConclusionsThe use of autonomous robotic technology showed significantly higher accuracy than the fully guided sCAIS.

Funder

National Natural Science Foundation of China

Publisher

Wiley

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