牙形成

Results The expression of Bag-1 protein both in ameloblast and odontoblast was inhibited in experimental group.

结果 实验组大鼠切牙釉基质形成紊乱，成釉细胞和成牙本质细胞Bal-1蛋白表达明显低于对照组，差异有显著性(P.01)。

The hypoplasia or aplasia of root cementum was thought to be the prime etiological factor in the early loss of primary teeth.

认为牙根牙骨质形成不全或发育不良是该病患儿乳牙过早脱落的根本原因。

Besides the traditional contents of oral surgery, such as extraction of teeth, alveolar surgery, preprosthetic surgery, TMJ disorders, jaw injuries and salivary gland diseases, additional sections such as microvascular surgery, cosmetic surgery, plastic and reconstructive surgery, head and neck tumour surgery, and Traditional Chinese Medicine are also appurtenant parts of typical oral and maxillofacial surgery of China.

其所涉及的学科领域和内容较西方一些国家更广，除传统的口腔外科——牙及牙槽外科、修复前外科、颞下颌关节病、颌面损伤、唾液腺疾病等外，还包括了颌面整复外科、显微外科、头颈部肿瘤外科等内容，而且还有独特的传统医学——中医学的结合及参与，形成了具有中国特色的口腔颌面外科学。

Consequently in the beginning of tooth stone calculus formation, use mouth cavity to sweep a method or brush teeth method, all very easy clearance tooth stone calculus, after waiting until calcify not easy clearance.

因此在牙结石形成之初，使用口腔清洁法或刷牙法，都很容易清除牙结石，等到钙化之后就不易清除了。

During the development of dental germ, enamel matrix proteins secreted by epithelial root sheath could induce dental follicle cells to differentiate towards cementoblast and form acellular cementum finally on the surface of tooth root. Many researches of domestic and oversea scholars suggest that enamel matrix proteins could effectively induce periodontal regeneration, and the structure and function of this regenerated tissue are similar to healthy periodontal tissue. Moreover, the regeneration process is nearly the same to that of embryonic development of periodontal tissue.

自发现釉基质蛋白可诱使牙囊细胞向成牙骨质细胞方向分化并在根表面形成无细胞性牙骨质以来，国内外学者做了大量研究，结果表明釉基质蛋白能有效诱导牙周组织的再生，且这种再生组织的结构和功能更接近于健康的牙周组织，并且再生过程也与牙周组织的胚胎发育过程类似。

You should be flossing your teeth every time you brush in order to prevent plaque from building up.

每次刷牙的时候都要用牙线洁牙，这样可以防止牙菌斑形成。

Results the orifices of dentinal tubule were mostly occluded in Gluma samples and partly occluded in Bisblock samples. Resin layer were observed in Single Bond 2 samples.

结果 Gluma组牙本质小管开口几乎堵塞，Single Bond 2组牙本质表面形成厚的树脂层，BisBlock组牙本质小管开口部分堵塞。

Objective: To elucidate the role HSP27 during amelogenesis and odontogenesis in the teeth of limited growth by analyzing its expression in enamel organ of developing rat molar teeth and rat molar.

目的：通过分析大鼠磨牙及其发育过程中，Hsp27 在成釉器中的表达，阐明Hsp27 在牙釉质、牙本质形成中的作用。

The follow-up periods were various from 6m to 21m. The apical MTA barrier technique was used to manage pulpless permanent teeth with incomplete root formation. The postoperative radiographs showed complete repair of periradicular tissue in 5 of 7 teeth and improvement obviously in other 2 teeth. Only one case (1 tooth) had a 3mm periodontal pocket in four perforation repair cases. The lesion at the perforation sites was improved obviously.

追踪观察时间为6-21月。4例穿孔修补的病例，均为延迟修补，除一例为根尖1／3处的病理性吸收外，其余患牙的穿孔部位位于牙根的冠1／3或根分叉处，一例6m复查时有3mm的牙周袋形成，其余患牙骨吸收暗影均明显缩小。7例根尖发育不全并无髓牙的病例均为成人，5例根尖暗影完全消失，2例明显缩小。

After 8 weeks growth, the polarization became more obvious in the pre-ameloblast and pre-odontoblast. Cells became high stylolitic shape and small amounts of dentin formation were found in the future of dental cusp region.

生长8周时，前成釉质细胞和前牙本质细胞的极化变得更加明显，细胞已变成高柱状，在未来牙尖区域可发现少量牙本质的形成。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。