The aims of this book are to differentiate between the use of continuous mode and pulsed mode during performing different oral surgical procedures using diode laser. Examinning the surgical site after operation and evaluating the efficacy of pulsed over continuous mode which should not be used except in situations where high temperature over the tissue is needed such as in heamostasis. It enables to operate diode laser and play with these modes (continuous and pulsed) with ease and in satisfaction manner.