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.
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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