If the brush is furcated or evaginable, it needs to be replaced in case of damaging the tooth-ridge.
如刷毛分叉、外翻应及时更换，以免损伤孩子的齿龈。
Objective:To investigate the effect of implantation of particulate hydroxylapatite artificial bone after tooth extraction on resorption of the alveolar ridge.
目的：研究羟基磷灰石微粒人工骨对拔牙后牙槽骨吸收的疗效及并发症。
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。
Thus it is an important topic of minimizing the degree of ridge resorption after tooth extraction to meet the future appearance and functional needs of denture production.
因此减少拔牙后齿槽脊的吸收，帮助日后制作的假牙满足功能和美观上的需求是临床上一个重要的课题。
Objective To study how to avoid excessive absorption alveolar bone in order to keep the height of alveolar ridge after tooth extraction.
目的对拔牙术后抑制牙槽骨过度吸收，保持牙槽嵴高度进行研究。
Conclusion: the thickness of buccal bone wall and position of missing tooth, may influence the maxillary alveolar ridge alterations after immediate implantation.
结论：颊侧骨板的厚度及缺牙位置均有可能影响术后牙槽嵴的改建。
CONCLUSION: the no tooth area and the first premolar area of mandible in sheep is a good experimental animal model for alveolar ridge augmentation by distraction osteogenesis.
结论：山羊下颌无牙区及下颌第一前磨牙区可作为牵张成骨增高牙槽嵴新的实验动物模型。
An alternative rest-seat preparation, on the marginal ridge of the canine crown, conserves tooth structure and provides a rest seat of adequate length and depth to ensure support for a cast framework.
另一种休息座位的筹备工作，对边缘嵴冠的犬，保存牙齿结构和提供了充足的休息座位的长度和深度，以确保支持铸造框架。
After tooth extraction, the alveolar ridge will commonly decrease in volume and change morphologically.
拔牙后的牙槽嵴将普遍减少的数量和形态变化。
After tooth extraction, the alveolar ridge will commonly decrease in volume and change morphologically.
拔牙后的牙槽嵴将普遍减少的数量和形态变化。
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