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你们发现它对牙周组织有害吗？Have you found any adverse effects on the tissue of the periodontium ?

牙周与牙髓组织之间的关系是相当密切而且是相互影响。The close relationship between pulp and periodontium was well established.

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牙周膜的应力随牙槽骨高度的降低呈非等比增加。The increment of periodontium stress was not proportional to the horizontal alveolar loss.

目的采用有限元的方法研究舌侧矫治过程中上颌第一磨牙牙根、牙周膜、牙槽骨应力分布的特点。Objective To observe the stress distribution of maxillary first molar and its periodontium in lingual orthodontics.

笔者下面主要就细胞纤连蛋白的结构、生物学特性、功能及其与牙周组织的关系作一综述。The bionomics, function and its research progress in periodontium and dental implantation was summarized in this review.

因此，囊袋探测深度在牙周组织状态与牙周治疗成果的评估上佔有十分重要的角色。Therefore, pocket probing is a crucial procedure in diagnosis of the periodontium and evaluation of periodontal therapy.

对照矫治开始组及矫治完成组的牙周临床指标，分析固定矫治是否会对牙周组织产生永久性影响。However, it is not certain that the influence of the fixed orthodontic treatment to the periodontium is expedient or not.

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目的探讨青年人第一磨牙缺失后对牙列、牙周及咀嚼效率的影响。Objective To search the effect of first molar loss on dentition, periodontium and masticatory efficiency in young people.

结论健康牙龈沟温度受环境因素的影响较大。Conclusion Gingival sulcus temperature in subjects with healthy periodontium is easily influenced by environmental factors.

目的评价冠外附着体义齿修复后基牙牙周的健康状况。Objective To evaluate the abutment periodontium condition after restored with the distal-extension extracoronal attachment dentures.

目的临床观察重度牙周病患者经套筒冠式牙周夹板固定后临床治疗效果的影响。Objective To study restoration with telescope crown retainers affects the abutment periodontium in patients with severe periodontitis.

本发明的喷水牙具采用喷水牙刷喷出的一组高速水柱清洁牙齿和口腔，洗漱方便快捷，且对牙周组织有按摩保健作用。The water-spraying toothbrush features that teeth and oral cavity are cleaned by water sprayed from it and the periodontium is also massaged.

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将牙齿移动和细胞移植相结合可在牙齿移动过程中产生较多的牙周组织再生。Combined treatments of tooth movement and cell transplantation resulted in enhanced regeneration of the periodontium as a result of tooth movement.

目的研究正畸牙移动及其引起的咬合变化对大鼠牙周组织中施万细胞标志物S-100表达的影响。ObjectiveTo study the effects of the orthodontic tooth movement and disordered occlusion on the S-100 marked Schwann cells in the periodontium of rats.

模拟失重对牙周膜和牙槽骨的影响较小，这可能与它们的血液供给丰富，有较强的代谢补偿能力有关。Simulated weightlessness had little influence on periodontium and alveolar bone. This might due to their adequate blood supply and strong compensating potential.