1. It was proved that custom designed framework could solve the clinical dilemma of severe dentition attrition, food impaction and periodontitis, and the odontoptosis was repaired.
   采用义齿个别设计铸造支架式可摘局部义齿修复各类缺牙，可较好地解决牙列重度磨耗、食物嵌塞、牙周疾患等问题。

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