Accuracy Assessment of Single, Immediate Implant Placements using CAD/CAM Surgical Guides

Nima S. Massoomi DMD, MEd, MD, Oral and Maxillofacial Surgery, University of the Pacific-Arthur A. Dugoni School of Dentistry, San Francisco, CA
Anders Nattestad DDS, PhD, Oral and Maxillofacial Surgery, University of the Pacific-Arthur A. Dugoni School of Dentistry, San Francisco, CA
Fawaz Alzoubi DDS, MA, Dental Practice, University of the Pacific-Arthur A. Dugoni School of Dentistry, San Francisco, CA
INTRODUCTION: Although accuracy assessments of multiple CAD/CAM surgical guides have been reported in multiple occasions, investigations regarding the use of such tools for immediate implant placements have not been reported to the best knowledge of the authors. AIM: To assess the accuracy of a single, immediate implant placements using Anatomage-Invivo5© CAD/CAM surgical guides. MATERIAL AND METHODS: Records between 2012-2014 were gathered for patients who had immediately placed implants using Anatomage invivo 5 CAD/CAM surgical guides with both pre and post-op CBCT images on file. PRELAMINARY RESULTS: Nine implants in nine patients were included in this study. The mean deviation at the crest was 0.67mm, the mean deviation at the apex was 0.88mm, and the mean deviation of the axis was 2.30 degrees. DISCUSSION: Errors have been reported in the literature for all systems providing such tool.6,7,8 A meta-regression analysis reported by Schneider et al.2 revealed a mean deviation at the entry point of 1.07mm, at the apex of 1.63, and an overall mean error in angulation of 5.261.2 Although this pilot study reports lower deviations, our sample was not large enough to compare to previous reports. In addition, this study was limited to tooth supported guides which have been shown to be the most accurate of all three types of supports (mucosa, bone, and tooth supported). CONCLUSION: Within the limitations of this study, Anatomage-Invivo5© CAD/CAM surgical guides can be reliable tools to accurately place implants immediately after extraction.

REFERENCES:

Schneider D, Marquardt P, Zwahlen M, Jung RE. A systematic review on the accuracy and the clinical outcome of computer-guided template-based implant dentistry. Clin Oral Implants Res. 2009 08/02;20:73.

Lee CYS(1), Ganz SD(2), Wong N(3), Suzuki JB(4). Use of cone beam computed tomography and a laser intraoral scanner in virtual dental implant surgery: Part 1. Implant Dent. 2012 / 08 / 01 /;21(4):265-71.

See more of: Poster Session
See more of: Abstract/Poster Sessions
<< Previous Abstract | Next Abstract >>