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目的探讨低平牙槽嵴下颚总义齿修复的临床疗效。方法对55例下颌牙槽嵴严重吸收的下颌总义齿,按照三级标准进行评判观察疗效。结果静止发音后,可正常进行咀嚼运动者25例,为I级标准,占所有病例45.45%。偶发脱位,咀嚼、吞咽尚正常,发音无碍患者26例,定义为Ⅱ级标准,占47.27%。无论是咀嚼,吞咽还是发音都频有脱位现象出现的患者占4例,评级达到Ⅲ级,越占7%。结论对低平齿槽嵴下颌总义齿修复,从基托的密合和伸展,到面的高度与排列,舌的运动情况以及磨光面多方考虑严格掌控,对义齿稳定性的加强和义齿固位力的提高有着综合的关键作用。
Objective To investigate the clinical effect of mandibular total denture restoration in low level alveolar ridge. Methods 55 cases of mandibular total denture with severe mandibular alveolar ridge absorption were evaluated according to the three criteria. Results After silent pronunciation, 25 cases could be chewed normally, which was grade I, accounting for 45.45% of all cases. Accidental dislocation, chewing, swallowing is still normal, undamaged patients in 26 cases, defined as grade Ⅱ standard, accounting for 47.27%. Whether chewing, swallowing or pronunciation are frequent dislocation occurred in patients accounted for 4 cases, the grade reached Ⅲ, accounting for more than 7%. Conclusion The treatment of mandibular total denture with low crevicular crest is under strict control from the abutment and extension of the base to the height and alignment of the cuneas, the movement of the tongue and the multi-facets of the polished face. The stability of the denture is strengthened and the denture Retaining force has a comprehensive and key role.