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- Studies have reported that the primary cause of fragment loss is new dental trauma or the nonphysiological use of the restored tooth. 研究认为，牙碎片缺失的原发性原因是新近牙体创伤或对已修复牙齿施加非生理性作用力。
- Sports can improve our health, meanwhile, the increasing number of orofacial trauma, especially the number of dental trauma becomes a very serious problem. 在通过运动强身健体的同时,不断增加的口颌系统外伤,尤其是牙外伤也成为非常棘手的问题。
- Dental trauma may occur during orthodontic treatment, which often affect the treatment outcome, and sometimes change of the treatment plan is needed.The problem is troublesome for orthodontists. 摘要娇正治疗过程中发生牙齿外伤，常会影响治疗进度，甚至改变治疗计划，令娇正医师很困扰。
- Methods:Specimens were obtained from patients who suffered from dental traumas and the upper primary central incisors cannot be kept. 方法:取外伤后无法保存的上颌乳中切牙作为标本,运用扫描电镜技术进行形态学观察。
- Sports play a significant role in all nations worldwide.More and more people involve in sports so that the incidence of the oral-facial and dental traumas with accidents ascends. 随着体育运动事业在各国的发展,参与运动的人们越来越多,口颌系统运动损伤率也随之上升。
- The treatment cost is considerable, and the sporters' lives will be influenced by these traumas.This paper examines the status and the reasons of the oral-facial and dental traumas. 这种高损伤率不仅意味著社会将付出高额的医疗经费，更严重损害了运动者的生活品质。
- Keywords Mouthguard Dental trauma Transitional dentition Reline Shear resistance; 防护牙托;牙外伤;替牙期;重衬;抗剪切强度;
- Dental prosthetics involving a bridge or bridges. 用齿桥补牙用一个或多个齿桥进行牙齿修复
- A bodily injury, irritation, or trauma. 身体的损伤，发炎或损伤
- I had undergone a major dental operation. 我经受了一次牙科大手术。
- The doctor told me that I have many dental problems. 医生说我的牙齿问题很多。
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒
- dental trauma 牙外伤
- To subject to psychological trauma. 使受到心理创伤
- Silver amalgam is used as a dental filling. 银汞合金被用作牙的填料。
- It's the deepest trauma of our existence. 这在我们的生命史上是最惨重的一次打击了。
- I'm not having a brain trauma, am I, doctor? 医生，我是不是脑部生瘤呢?
- I will like to have a dental checked - up. 我要去牙科做一次检查。
- Do the bruises occur spontaneously or after trauma? 这些紫斑是自发的还是受伤后出现的?
- The buildup could lead to costly dental repairs. 这样做会导致你花很花钱去补牙。
