Nd: YAG pulsed laser: a successful tool to desensitize hypersensitive prepared abutment teeth in fixed prosthodontics

Dentinal hypersensitivity follows several therapeutic dental procedures as well as occurring de novo. Pain being an unpleasant sensation, originates from dentine which has a rich supply of myelinated nerve ending. There are several theories that explain the mechanism of pain of dentinal origin. Thermal, tactile and chemical stimuli when applied to affected teeth might result in brief mild discomfort to prolonged severe pain. There are several theories regarding dentinal hypersensitivity.