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- 2018
后牙区单颗种植义齿邻接关系稳定性的研究
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Abstract:
摘要 目的:研究后牙区单颗种植义齿在修复1年后与邻牙之间邻接关系的改变,并探讨其原因。方法:选择上下颌后牙区单颗牙缺失行种植修复患者147例,安装永久修复体时使用牙线确认近远中邻接关系理想,1年后复诊,使用牙线再次检查所有修复体近远中的邻接关系,并按理想、过松、无接触3种结果记录。计算邻接关系变化的发生率,比较复诊时近中与远中、前磨牙和磨牙邻接关系状况有无差异,并探讨造成邻接关系改变的原因。结果: 随访期内所有种植义齿未发现机械并发症;邻接关系发生改变的邻接面有78个,发生率29.59%,其中近中面发生率26.53%,远中面32.65%,前磨牙发生率18.18%,磨牙发生率38.89%。统计结果表明近中与远中邻接关系发生改变的差异无统计学意义,而前磨牙和磨牙差异有统计学意义(P<0.05)。结论: 后牙区单颗种植义齿修复后邻接关系发生改变概率大,应在治疗前与患者充分沟通并减少引发因素
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