查询词典 difficult dentition

PURPOSE: To evaluate the effect of maxillary protration in skeletal anterior crossbite patients in early permanent dentition and determine the optimal timing for orthopedic treatment.

目的：评价恒牙早期骨性反患者使用上颌前方牵引器治疗的疗效，确定矫形治疗的合适时机。

ObjectiveTo investigate the results of early treatment of crossbite malocclusion and follow up the eruption of permanent dentition and occlusal stability.

目的：探讨早期矫治反(牙合畸形并观察其恒牙列萌出及咬合稳定的关系。

Methods Fifty mixed dentition subjects with crossbite malocclusion were included in the study. Either single or combined orthodontic treatments were applied. All subjects were followed up for 10 years till 18 years old on their occlusal relationship and stability.

选择替牙期反牙合患者50例，应用单一或联合方法矫治，并随访进入成年阶段，观察患者在此期间的牙齿排列及咬合关系的变化。

MethodsFifty mixed dentition subjects with crossbite malocclusion were included in the study. Either single or combined orthodontic treatments were applied. All subjects were followed up for 10 years till 18 years old on their occlusal relationship and stability.

选择替牙期反患者50例，应用单一或联合方法矫治，并随访进入成年阶段，观察患者在此期间的牙齿排列及咬合关系的变化。

Results After 3~6 months, anterior crossbite cases are cured. 6~12 months later, crowded dentition cases were cured.

结果 经过治疗，使用前方牵引装置3~6个月，反纠正；使用口外弓装置6~12个月，解除牙列拥挤。

Methods Twelve cases of anterior crossbite and crowded dentition (with 6~12 mm) were included using extroral arch and extroral protraction in the same time or in the different time.

选择混合牙列期或恒牙早期有前牙反并牙列拥挤（拥挤度6~12 mm）病例12例，同时或先后使用前方牵引装置和口外弓装置，观察疗效。

A study on polymorphism of salivary esterase in personal identification ;2. This study presents a technique developed for 3-D imaging and quantitative comparison of human dentitions and simulated bite marks,which could provide a new technology for personal identification based upon dentition and bite mark for forensic medical practice.

目的：应用咬痕进行个体识别一直是法医病理学的重要课题之一，本文旨在探讨人牙咬痕同一认定的3D数字化分析方法及其精确性，通过牙齿、咬痕进行个人识别的研究及其在法医实践中的应用，为法医病理学中咬痕的研究及其法医学鉴定提供一种新的科学方法。

Hedgehogs with poor dentition should be fed a soft food diet to compensate and prevent weight loss.

牙齿不好的刺猬可以餵食一些较软的饮食以防体重减轻。

Periodontal disease is one of the most common disease in oral cavity, which is the reason of defect of dentition second only than dental caries. It results in junctional epithelium turn root periodontal pocket emerge, tooth mobility, aversion and amotic. Among the total, the alveolar bone shrikes to root can not reversible.

牙周病是口腔常见病之一，是仅次于龋病导致牙列缺损的第二大原因，造成结合上皮根向迁移、牙周袋形成、牙齿松动、移位和脱落等病理改变，其中牙槽骨向根方的退缩是不可逆的。

Complete dentition is to be preferred. Any missing teeth other than first premolars is a serious fault.

齿系完整。除了第一前臼齿外，缺少其他牙齿都属于严重缺陷。

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。