n.彌補術；修復術

And he gave me hug goodbye the first day and I went to kiss him on the cheek, and I realized like that this is not really his face, it's the prosthetics. 當我們第一次擁抱吻別時，我想親他的面頰，忽然想到那不是他的真臉，那是化妝面具。

Dental prosthetics involving a bridge or bridges. 用齒橋補牙用一個或多個齒橋進行牙齒修復