数字化导板引导下全口种植即刻负重可行性与精准度的研究

doi:10.13591/j.cnki.kqyx.2022.04.012

Abstract

Abstract: Objective To explore the feasibility of static digital guided surgery with immediate loading in edentulous patients, to evaluate the accuracy of guided implant surgery based on cone-beam computed tomography (CBCT) data, and to discuss factors that may affect accuracy. Methods Sixteen cases where 98 implants were placed into partially and totally edentulous patients from 2017 to 2019 were collected. All surgeries were assisted by digital surgical guide and immediately loaded. Patients were followed up to record survival rate and long-term function of implants. The three-dimensional deviations of 30 actual implants from their designed position were measured based on CBCT data, which aimed to evaluate accuracy. Statistical methods were employed to analyze accuracy related factors. Results The 1-year implant survival rate was 98.98% (97/98); the pink esthetic score (PES) was (9.53±1.68) points; the white esthetic score (WES) was (7.05±1.10) points, and the patient satisfaction was (9.15±0.84) points. 3D deviation at entry was (1.40±1.07) mm, and at apex was (1.54±1.13) mm. Depth deviation was (1.10±1.09) mm, and angle deviation was 4.41°±2.68°. There were significant differences in implants′ deviations among different brands. Timing of implant placement, the supporting mode of surgical guide, the manufacturing method of guide and tooth position did not significantly affect the accuracy of implantation. Conclusion Digital guided implant surgery with immediate loading is a stable and highly repeatable clinical procedure for edentulous patients, which is worthy of application and promotion.

Key words: dental implant, computer-assisted implant surgery, full-arch implant, edentulous

CLC Number:

R783.4

LIU Linxiang, TANG Liqin, YU Meina, YUAN Yue, DONG Yan. Feasibility and accuracy of static computer-assisted full-arch implant surgery with immediate loading[J]. Stomatology, 2022, 42(4): 345-348.

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Feasibility and accuracy of static computer-assisted full-arch implant surgery with immediate loading

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