maxillary first permanent molar
常見(jiàn)例句
- Objective To study the shape and location of root canal orifice in maxillary first permanent molar and provide a morphological basis for locating canal orifice in endodontic therapy.
目的研究上頜第一磨牙根管口形態(tài)和位置關(guān)系，為根管治療時(shí)尋找根管口提供解剖學(xué)依據(jù)。 返回 maxillary first permanent molar