...牙本质过敏症Dentine hypersensitivity l 定义：又称过敏性牙本质(Hypersensitive dentine )，是指牙在受到外界刺激，如温度、化学、机械作用等所引起 的酸痛症状。特点是发作迅速、疼痛尖锐、时间短暂。
双语例句
1
AIM: to observe the effects of treatment on hypersensitivedentine by semi-conductor laser.
目的：观察半导体激光治疗牙齿感觉过敏症的疗效。
2
Purposes:To investigate the histopathological effect of laser treatment for hypersensitivedentine on dental pulp.
目的：探讨激光治疗牙本质过敏症时，牙髓组织的刺激性影响。
3
Methods Semiconductor laser was compared with conventional NaF method for the treatment of 100 teeth with typical hypersensitivedentine which were divided into two groups.