Dental Auto matrix is a A Matrix system that automatically gets attached with retainer and the tooth B System where a single retainer can be used for all matrix bands C Retainer less matrix system designed for any tooth regardless of its circumference D Retainer less matrix system designed for any tooth with specific circumference 💡 Explanation Auto matrix is a ✓ Correct Answer: C. Retainer less matrix system designed for any tooth regardless of its circumference