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Published on: October 18, 2021
Implant abutment screw torque generated by general dentists using a hand driver in a limited access space simulating
Edward E Hill1, Scott M Phillips, Larry C Breeding
1Department of Care Planning and Restorative Sciences, School of Dentistry, University of Mississippi, 2500 North State Street, Jackson, MS 39116, USA. EEHill@sod.umsmed.edu
Abstract:
For various reasons, dentists may be tempted to definitively tighten implant abutment screws using only handheld screwdrivers. The purpose of this study was to test the ability of general dentists to generate implant abutment screw preload using a simple screwdriver in a limited-access space simulating the mouth. Results indicated that mechanical torque wrenches must be used in posterior areas of the mouth to establish sufficient preload, and dental experience is not a major factor in the ability to tighten an implant abutment screw.
