健康的牙龈覆盖整个牙根的表面,当牙龈向根方退缩导致牙根暴露时即称为牙龈退缩(Gingival Recession),主要为牙周炎的伴发病变,牙龈退缩处同时也发生牙槽骨相应的吸收。有人报告50岁以上的人群中几乎100%有不同程度的牙龈退缩,但也有证据表明一些牙周健康的高龄者并不发生牙龈退缩,所谓的老年性牙龈退缩可能是由于牙周组织长期受到各种机械性损伤和炎症刺激的作用累积而造成的。
结论牙龈退缩与楔状缺损是中老年人常见的牙病。
Conclusion the gingival recession and the wedge shaped defect are common dental diseases in the elderly.
目的探讨中老年人牙龈退缩和楔状缺损的发生率和相关因素。
Objective to investigate the incidence of the gingival recession and the wedge shaped defect in elderly population and relative factors.
在咀嚼过程中,由于咬合压力的作用或牙龈退缩导致食物碎块或纤维楔入相邻牙的牙间隙内的现象,称为食物嵌塞。
Food impaction is the phenomenon appearing in the chewing course when the food dregs or fibers are pushed into the clearance by occlusal force or owning to the gingival shrinkage.
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