V kind hole: To happen with all teeth buccal (lip) , tongue (palate) the hole form of the preparation of caries caustic place of face of tooth of 1/3 of face close gum.
英
美
- v类洞:为发生与所有牙齿的颊(唇)、舌(腭)面近龈1/3牙面的龋损所制备的洞形。