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.
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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