Conclusion The deciduous lower front fused teeth can influence the succedaneous fixed teeth and secondary dentition.

结论乳下合对继承恒及恒均有影响。

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.

采用义齿个别设铸造支架式可摘局部义齿修复各类缺，可较好地解重度磨耗、食物嵌塞、周疾患等问题。