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目的 探讨上颌全口义齿腭侧基托后缘位置是否可前移 ,前移的范围及其影响因素。方法 根据患者牙槽脊高度和宽度、上颌结节、腭穹隆等情况 ,在制作上颌全口义齿时 ,腭侧基托后缘位置与传统的通过腭小凹前后 2mm相比适当前移。结果 16例患者的牙槽脊高度在 14～ 15mm之间 ,宽度在 8～ 12mm之间 ,前移的量在 10～ 30mm之间 ,且随牙槽脊高度和宽度的增加而增加 ,并受上颌结节、腭穹隆情况的一定影响。结论 16例上颌全口义齿腭侧基托后缘位置适当前移后 ,患者的异物感较小 ,对义齿的适应性增强
Objective To investigate whether the posterior edge of palatal base of maxillary complete denture can be advanced or not and its influencing factors. Methods According to the height and width of the alveolar ridge, the maxillary nodules and the palatal dome, the posterior edge of the palatal base was properly advanced compared with the 2mm before and after passing through the palate. Results The height of the alveolar ridge was between 14-15 mm in width, between 8-12 mm in width and 10-30 mm in width in 16 patients, and increased with the height and width of alveolar ridge Maxillary nodules, palate dome of the situation a certain impact. Conclusion The posterior edge of palatal base of 16 maxillary complete dentures has a good foreign body sensation and a good adaptability to the dentures