Objective: To investigate the characteristic and the relative factors of tooth abrasion of aged people inXiamen region Methods: To survey the complete anodour dentition and index tooth誷 abrasion and do some contrast,there were 370 retired officials in Xiamen area.
目的:探讨厦门地区部分老年人牙磨损的特点及相关因素。
Method:1033 adults in Shanghai were clinically examined according to the tooth wear index(TWI)and questionnaires were completed.
方法:对1033名上海市成年人进行牙磨损指数(TWI)的检查,同时填写调查问卷。
Tooth wear is defined as the loss of the tooth substance which is not caused by dental plague, caries and injuries.
牙齿磨损是指在没有菌斑、龋坏及外伤情况下牙体组织丧失的现象。
In vitro comparisons of the brushing abrasion of eroded enamel using fluoride and non-fluoride toothpaste;
含氟或无氟牙膏对酸蚀釉质刷牙磨损的实验研究
The Morphological Study on the Relationship between Loading Environment and Tooth Wear;
承载环境与牙齿磨损关系的形态学研究
Tooth wear of the population from the terra-cotta site near the mausoleum of Qinshihuang
秦始皇帝陵区山任陶窑遗址人牙齿磨损状况分析
Wear resistance of three kinds of filling materials for posterior teeth versus the dental enamel
三种齿科后牙充填材料与牙釉质耐磨损的性能
Comparative study on wear resistance of the enamel oppositing to four kinds of dental metal materials
4种齿科金属材料与牙釉质耐磨损性能的研究
Experimental and clinical study of pulse Nd:YAG laser on increasing adhesivity of teeth with dental abrasion on occlusal surface
脉冲Nd:YAG激光增加牙齿牙合面磨损粘结作用的实验和临床研究
Application of telescope crown denture in occlusal rehabilitation for patients with serious residual tooth attrition
应用套筒冠义齿对牙列缺损伴余留牙重度磨耗进行重建
These teeth do hard work a great deal of the time, and they are continually wearing away.
这些牙齿长时间进行费力的咀嚼，因而不断被磨损。
3)The prevalence of tooth abrasion the people 36-to 45-years-old was 3.88%;
③36～45岁年龄段的人群中,牙齿病理性磨损的发病率为3.88%;
The Method for Determining the Abrasion Value and Abrasion Life of Tooth Surfaces in a Helical Gearing by Means of the Abrasion Experiment
借助磨损实验确定斜齿齿轮机构齿面磨损量及磨损寿命的方法
Worn teeth on ring gear or drive pinion gear.
环形齿轮或驱动小齿轮上齿磨损。
A tooth with a broad crown used to grind food, located behind the premolars.
臼齿一种用作研磨食物的有宽齿冠的位于前磨牙后的牙齿
Gears--Wear and damage to gear teeth--Terminology
GB/T3481-1997齿轮轮齿磨损和损伤术语
The prevalence of Carabelli's trait in a Chinese population
上颌恒磨牙卡氏牙齿特征的观察研究
One of the pointed, conical teeth located between the incisors and the first bicuspids.
犬牙，犬齿位于门牙和第一颗前磨牙之间的锋利圆锥形牙齿
The Observation of Primary Molars of the Rabbit:the Dental Formula,Physiological Root Resorption of the Second Primary Molar
家兔乳恒磨牙齿式及下颌乳磨牙牙根吸收规律的观察
For example, dentists are now using laser light to treat diseased gums and teeth.
例如，使用激光治疗损坏的牙龈和牙齿，
Progress on effects of Notch signal pathway in tooth germ development and dental repair after injury
Notch信号与牙胚发育和牙齿损伤修复
But a beaver's teeth are also continually growing up from the bottom as they are being ground down from the top.
当河狸的牙齿从顶部不断地磨损时，同时也不停地从根部向上生长着。