Conlusion: the restoration of molars residual root and crown of the aged can be improved by means of split dowel crown.

结论：分体桩核冠能较好地修复老年人磨牙残根残冠。

youdao

Conlusion: the restoration of molars residual root and crown of the aged can be improved by means of split dowel crown.

结论：分体桩核冠能较好地修复老年人磨牙残根残冠。

youdao