Validating implant torque limiting devices with a custom tool: A dental technique.

The dental torque limiting device is a tool used to deliver a measured torque to implants and to their associated components. The torque delivery must be accurate and precise, especially when considering screw joints. Similar torque wrenches are used in various industries, and recommendations on calibration are provided by the International Organization for Standardization 6789-2:2017. It states that hand torque tools should be calibrated annually or more frequently if subjected to extreme temperature conditions such as steam sterilization. The International Organization for Standardization standard recommends that calibration may be performed by direct comparison of 2 torque devices provided that 1 is known to be within calibration. This technique article describes the procedures for fabricating a tool that couples 2 dental torque limiting devices. It may be used for calibrating and validating both electrical and mechanical torque limiting devices. Copyright © 2020 Editorial Council for the Journal of Prosthetic Dentistry. Published by Elsevier Inc. All rights reserved.

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Richard O'Brien, Chandur P K Wadhwani, Paul S Rosen, Kwok-Hung Chung. Validating implant torque limiting devices with a custom tool: A dental technique. The Journal of prosthetic dentistry. 2021 Mar;125(3):407-410

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PMID: 32418666

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