the result is generally to weaken the strong abutment
(C)壞的會帶壞好...
It is seldom bene☆☆☆☆☆☆ ☆☆ ...
34.在可撤式局部義齒的治療中,以下何者不是將支柱齒(abutment)進行牙周..-阿摩線上測驗