The formation of tiny bubbles around the head of ultrasonic scalers used by dentists to remove built-up plaque is key to the cleaning process researchers including an Indian-origin scientist have revealed. The bubble formation or cavitation of water around the head of the scaler was observed using high-speed cameras.The findings are the first to prove that cavitation takes place around the free end of ultrasonic scalers. Read--I just got my teeth cleaned and now they are hurting badly! (Query) Removing dental plaque and calculus that is the build-up of what we know as tartar or hard plaque is a big
