牙齿感觉过敏症又称牙本质过敏症，或过敏性牙本质，是牙在受到外界刺激，如温度（冷、热）、化学物质（酸、甜）以及机械作用（摩擦或咬硬物）等所引起的酸痛症状，其特点为发作迅速、疼痛尖锐、时间短暂。牙齿感觉过敏症是各种牙体疾病共有的症状。
目的：观察半导体激光治疗牙齿感觉过敏症的疗效。
AIM: to observe the effects of treatment on hypersensitive dentine by semi-conductor laser.
目的：评价GLUMA治疗牙齿感觉过敏症的临床疗效。
AIM: to evaluate the clinical effects of GLUMA in treating tooth hypersensitivity.
牙齿感觉过敏症临床较为常见，但发病机理尚不十分清楚。
Tooth hypersensitivity is a relatively common problem experienced in clinical dental practice, but the mechanisms is not very clear.
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