METHODS: Studying the tooth structure by scanning electron micrograph when we remove the caries with air - abrasion.
方法: 空气喷砂机去龋并制备洞形后,利用扫描电镜观察牙齿硬组织的组织学变化.
互联网
COUCLUSION: The cavity which made with air - abrasion has more normal dentine and is suitable to resins.
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.
互联网
Both increased after air abrasion.
既增加磨损后的空气.
互联网