Semester

Spring

Date of Graduation

2025

Document Type

Thesis (Campus Access)

Degree Type

MS

College

School of Dentistry

Department

Restorative Dentistry

Committee Chair

Arif Salman Abdul Shakore

Committee Co-Chair

Shelby Alexander

Committee Member

Bryan Weaver

Abstract

Abstract

Accuracy of implants placed using stackable static surgical guides for full-arch implant-supported fixed dental prostheses: A retrospective study.

Thomas Palmer Stanley, D.D.S., M.S.

Aim: The primary objective is to investigate the accuracy of implants placed with stackable static surgical guides of Synergy Guided Workflow® (Absolute Dental Services, Inc., Durham, NC, USA) for the purpose of full-arch rehabilitation with implant-supported screw-retained fixed dental prostheses. The secondary objectives are to evaluate the implant and prosthesis survival rates, and prosthetic maintenance needs.

Methods: This retrospective study enrolled patients who underwent Synergy Guided Workflow® for 1 or more arches from January 2020 – March 2025. Post-operative CBCTs were be uploaded to coDiagnostiX® (Dental Wings Inc., Montreal, Canada) Treatment Evaluation module and superimposed with the pre-operative CBCT containing the surgical and prosthetic plan. The planned dental implant was superimposed to the final position using tangential, cross-sectional, and axial views. Global angular deviation, 3D offset (base), and 3D offset (tip) was collected for each implant.

Results: 24 were identified utilizing Synergy Guided Workflow® stackable static surgical guides. 11 patients (17 arches with 73 implants) met the inclusion criteria for the study. The mean total angular global deviation was 4.23±2.80°, 3D offset at the base 1.40±0.86 mm and 3D offset at the tip was 1.60±0.89 mm. Intraclass correlation coefficient (ICC) of 0.49, 0.52, and 0.49 was calculated for comparison between individual surgical guides in global deviation, 3D offset (base) and (tip), respectively, indicating moderate reliability.

Conclusion: Stackable static surgical guides streamline restorative procedures and have similar accuracy of static guides in total global angular deviation, 3D offset at the base and tip as static guides. Accepted standard 2 mm safety margin should still be considered when using the Synergy Guided Workflow® stackable static surgical guides.

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