“牙质”造句

钻开牙齿, 去除腐坏的牙质.
Give local anesthesia . Drill to open a tooth, clean dentine.

结论: 空气喷砂机所制备洞形可保留更多正常牙质,有利于复合树脂材料的充填.
COUCLUSION: The cavity which made with air - abrasion has more normal dentine and is suitable to resins.