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Year : 2021  |  Volume : 13  |  Issue : 5  |  Page : 478-484

Determining accuracy of sleeveless tooth-supported surgical guide for guided implant surgery: A retrospective observational study

1 Department of Prosthodontics and Crown and Bridge, MGM Dental College and Hospital, Kamothe, Navi Mumbai, Maharashtra, India
2 Procare Dental Clinic, Mumbai, Maharashtra, India
3 Sahyog Dental Studio, Mumbai, Maharashtra, India

Correspondence Address:
Radhika Pratik Chheda
Department of Prosthodontics and Crown and Bridge, MGM Dental College and Hospital, Junction of NH4 and Sion–Panvel Expressway, Sector 18, Navi Mumbai, Maharashtra.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JIOH.JIOH_93_21

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Aim: The advances in CAD/CAM technique have enabled digital data from the virtual setting to be transferred to the real clinical output using surgical guides. Evidence for the accuracy of surgical guides with metal sleeves has been documented. However, the sleeveless surgical guide has not yet been analyzed for its accuracy in clinical situations. The purpose of the study is to determine the accuracy of the sleeveless tooth-supported surgical guide for guided implant surgery. Materials and Methods: This retrospective observational study evaluates data of 25 patients selected randomly with single implants placed using the sleeveless surgical guide, which was collected from a single center at Thane. Cone-beam computed tomography of the treatment planning and the post-implant placement data were superimposed on each other and analyzed using Evalunav (3.0 version, Claronav, Toronto, Canada) software. Descriptive analysis was done. Coronal, apical, and angular deviations were calculated and assessed using a one-sample t-test. Results: It was found that the mean coronal deviation between the planned and placed implants was 0.73± 0.4 mm (0.12–1.81 mm), the mean apical deviation was 0.81± 0.43 mm (0.12–1.66 mm), and the angular deviation was 2.32° ± 0.98° (0°–4.78°). There was a statistically highly significant difference between the achieved and accepted values (P < 0.01) with a lower deviation achieved when compared with the acceptable values. Conclusion: It was concluded that the 3d printed tooth-supported surgical guide with no metal sleeves has acceptable accuracy for placing dental implants using the guided technology.

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