Nakthron Mintra

Dental Department of Srisangworn Hospital, Sukothai

The Effectiveness of Calculus Removal on Root Surfaces Instrumented with Three Ultrasonic Tips and a Hand Scaler, A Comparative in vitro Study

Mintra Nakthron, Piyanuj Permpanich, Supatra Sang-in, Nitaya Jotikasthira