Objective to study the tooth wedge-shaped defects and related factors in aged people.

目的探讨老年人牙体楔状缺损患病情况及相关因素。

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Objective To investigate the relationship between tooth occlusive contact in the laterotrusion and wedge-shaped defects.

目的研究牙颈部楔状缺损与牙齿咬合接触的关系。

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Wedge-shaped defects such people, who eat light cold, hot, sour, sweet foods can cause tooth pain, in serious cases can cause pulpitis, so that you get restless toothache.

楔状缺损这样的人，谁吃轻冷，热，酸，甜的食物可能会导致严重的甚至牙齿疼痛，可引起牙髓炎，使你不安牙痛。

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