permanent teeth

Methods To incubate the caries free permanent teeth with acid gelatinoid and/ or collagenase, then to observe the ultrastructural change of root surface under scanning electron microscope.

方法将无龋恒牙分组经酸性胶液和胶原酶分别或共同孵化处理后切割制样，脱水干燥，喷金，扫描电镜观察根面超微结构的变化。

Clinical Analysis of the Replantation on the Traumatic Avulsed Permanent Teeth with Dental Pulp Preserved

创伤性膈疝21例临床分析外伤性脱位牙保留牙髓再植术的临床研究

The dental replacement is a special physiological process in childhood. The root of deciduous teeth will be absorbed with the development of permanent tooth germ, and be replaced by permanent teeth.

乳恒牙替换是儿童时期发生一种的特殊生理现象，随着恒牙胚的发育，乳牙到一定时期牙根会逐渐吸收，由萌出的恒牙所代替。

It could interfere interfere with the correct development of permanent teeth.

这会对孩子牙齿的良好生长起到良性干预作用.

Objective To investigate the value of the composite resin inlay to restore the childrens permanent teeth.

目的探讨复合树脂嵌体技术在儿童恒牙牙体修复中的应用价值.

Immunohistochemical localization of dental matrix protein 1 in carious human permanent teeth

牙本质基质蛋白1在人不同龋坏牙齿中的免疫定位

Explore improving the cure effect on aboral replantation of young permanent teeth by general therapy

综合疗法提高年轻恒牙离体再植牙髓愈合率的研究

Objective: Detecting the contents of Calcium and Phosphorus in dentin of the healthy permanent teeth.

目的: 测定健康恒牙牙本质的钙、磷百分含量.

Methods 64 younger permanent teeth with underdeveloped apex and necrotic pulp were randomly selected.

方法随机选择门诊64例牙髓坏死根尖未发育的年轻恒牙.

Permanent teeth can't regenerate after falling off.

恒牙脱落后是不能再生的.

Methods Applied pit and fissure sealant on hemi side the first permanent teeth from 100 6 year old primary student, called experiment group;

方法对100名6岁小学生的单侧上下颌第一恒磨牙进行窝沟封闭，设为实验组；

Conclusion It improves pulp healing ratio in aboral replantation of young permanent teeth with general therapy method.

结论：应用综合疗法能提高年轻恒牙离体再植牙髓牙髓愈合（牙周膜愈合）率。

With the development of permanent tooth germs, primary dental roots begin to be absorbed, and finally primary teeth are replaced by permanent teeth.

随着恒牙胚的发育，乳牙到一定时期牙根逐渐吸收，导致牙冠脱落，由萌出的恒牙所代替的过程称为乳恒牙替换。

A retrospective study of 50 replanted permanent teeth in children

儿童50颗恒牙再植后的回顾性研究

Objective : To evaluate the effectiveness of segmental arch technique in fixing replanted traumatically avulsed permanent teeth.

目的: 评价正畸片段弓技术应用于固定外伤脱位再植牙的效果.

This process is called replacement of primary and permanent teeth, which is a complex and rigorous physiological process participated by multiple factors and multiple cells. At present, the main research direction are resorption of primary dental roots and development of permanent tooth germs.

此过程是多因素、多细胞参与的复杂又严密的生理过程，目前的研究方向主要为乳牙根吸收和恒牙胚的发育。

For the dental replacement, we must think whether it will affect the eruption of permanent teeth to take root canal treatment of internal fixation therapy for severe early childhood caries ( SECC).

由于乳恒牙替换，在严重龋蚀乳牙的根管内固定修复治疗时必须要考虑到是否对恒牙的萌出造成影响。

The change of occlusion of permanent teeth.

恒牙经生理性磨耗又起变化.

Treatment of dentigerous cyst in mixed dentition teenager with preservation of the permanent teeth germ

混合牙列期含牙囊肿保留恒牙胚的治疗