Jabbar F A
Crown and Fixed Prothodontic Dept., Faculty of Oral and Dental Medicine, Cairo University, Egypt.
Egypt Dent J. 1993 Jan;39(1):317-24.
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.
牙本质过敏症在多种牙科治疗操作后均可出现,也可自发产生。疼痛是一种令人不适的感觉,源于牙本质,牙本质有丰富的有髓神经末梢供应。有几种理论解释牙本质源性疼痛的机制。当对患牙施加热、触觉和化学刺激时,可能会导致短暂的轻度不适到持续的剧痛。关于牙本质过敏症有几种理论。