tooth defect 牙体缺损
serious tooth defect 重度牙体缺损
restoration of tooth defect 牙体缺损修复
tooth cervix defect 颈部缺损
anterior tooth severe defect 前牙严重缺损
tooth wedge-shaped defect 牙体楔状缺损
sphenoid defect of tooth 牙齿楔状缺损
Objective:Tooth defect is one of the common stomatology diseases.
目的：牙体缺损是口腔科的一种常见病。
参考来源 - IPS e.max Press铸瓷全冠修复牙体缺损的临床研究·2,447,543篇论文数据，部分数据来源于NoteExpress
What is the defect of the structure of the tooth(teeth)?
什么是牙齿结构上的缺陷呢？
Serious tooth defect which involved cuspid, incisal Angle, marginal ridge and occlusal surface can't be filled and need occlusal reconstruction.
各种严重的牙体缺损已涉及牙尖、切角、边缘嵴以及合面，需要咬合重建而不能使用一般充填修复者。
Methods: the gingivoplasty with electrotome in 81 patients with tooth defect was performed in prosthetic department and follow up surveys wer carried out.
方法：对81例口腔修复门诊牙体缺损患者用电刀进行牙龈成形术并定期复诊观察。
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