In addition, about thirty percent of the city's residents have dentine hypersensitivity, and teeth yellow and tone problem also nots allow to ignore.
此外，约百分之三十的城市居民有牙本质敏感问题，而牙齿偏黄和口气问题也不容忽视。
Dentine hypersensitivity is a sharp, sudden pain arising from the teeth when exposed to touch or hot and cold foods.
象牙质敏感是当牙齿接触或冷或热的食物所引起的急剧的，短暂的疼痛。
Objective To know the mechanisms of treating dentine hypersensitivity by ns Paint.
目的探讨NS牙面涂料对牙本质过敏症的治疗机制。
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