Speeds In Conservative Dentistry.

      Аннотация: Charles Allen in 1678 gave first written material on dentistry, in his book “operator for the teeth”. Initially it was a difficult process accomplished entirely by the use of hand instruments. later rotary and power cutting equipment provided a truly major advance in dentistry, the book focus mainly on evolution and contribution of rotary, power cutting equipment such as lasers and air abrasion in refining and improving the quality of various restorative procedures in dentistry.

Ключевые слова: Rotary, handpiece, speed, torque