《英文msh词典》Dental Onlays
[同义词] Dental Onlays
[主题词] Inlays
[中文释义] 牙科高嵌体
[英文释义] Restorations of metal,porcelain,or plastic made to fit a cavity preparation,then cemented into the tooth. Onlays are restorations which fit into cavity preparations and overlay the occlusal surface of a tooth or teeth. Onlays are retained by frictional or mechanical factors.