假牙;桥体;
The adaptation abutments of the bridge should be controlled when the big length pontic were designed.
设计长桥时天然牙选择适应证要严格.
Note appearance of pontic at gingival margin.
注意:出现在牙龈缘桥.
简答网 · 双语娱乐资讯
简答网 · 高考英语