CAD/CAM Abutments in Dentistry

ANSI/ADA Technical Report No. 146 Executive Summary

What is ANSI/ADA Technical Report No. 146 about?

This technical report provides references for test methods for assessing reliability, accuracy and reproducibility of patient specific CAD/CAM-manufactured abutments designed for use with dental implants.

What are the requirements I should know about for CAD/CAM Implant Abutments?

The report provides guidelines for design characteristics and limitations specific to CAD/CAM abutments, including materials, compatibility of 3rd party products, validation, and labeling protocols.

What’s the bottom line?

CAD/CAM abutments have an anatomically correct emergence profile and restoration substructure specific to the patient.  The subgingival contours and emergence profile of the abutments need to achieve acceptable esthetic results without causing harm to the hard or soft tissue of the patient. The purpose of this document is to provide a listing of these issues along with specific variables that should be assessed.