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目的分析固定修复后垂直型食物嵌塞的原因,以期对临床固定修复有所指导。方法对固定修复术后出现垂直型食物嵌塞的81个邻接区进行统计观察,分析食物嵌塞的原因。同时对100个未戴入的与邻牙有接触关系的固定修复体的解剖外形进行观察统计。结果 81个邻接区中,66个存在解剖形态不良,28个存在邻接触不良,12个对颌存在充填式牙尖,5个存在邻牙或患牙松动。100个未戴入的修复体中55个存在解剖形态不良。结论固定修复后垂直型食物嵌塞原因常几种原因并存,其中解剖形态不良是最常见的因素。加工厂生产的修复体常存在解剖形态不良,需要临床医师进行调磨修整。
Objective To analyze the causes of vertical food impaction after fixation and repair, in order to guide clinical fixation and repair. Methods Eighty-one adjacent regions of vertical food impaction after fixation and repair were observed and the causes of food impaction were analyzed. At the same time, the anatomical appearances of 100 unfixated fixed prostheses in contact with adjacent teeth were observed and counted. Results Of the 81 adjacent areas, 66 had anatomical malformations, 28 had adjacent poor contact, 12 had cusp tips, and 5 had adjacent teeth or diseased teeth. Of the 100 intact prostheses, 55 had anatomical defects. Conclusion There are several common causes for the vertical type of food impaction after fixation and repair. The most common cause is anatomical dysplasia. The prosthesis produced by the processing plant often has poor anatomy and requires the clinician to perform the dressing and dressing.