Tooth brushing became popular during the World War I.
第一次世界大战期间，刷牙开始流行起来。
Try fully concentrating on the action of brushing, on each stroke of each tooth, going from one side of the mouth to the other.
尝试着完全将注意力集中在刷牙的动作上，关注牙刷每一次清刷牙齿的过程，感觉牙刷从牙齿的一段移动到另一端。
Even the most careful brushing reaches only three-fifths of all tooth surfaces.
因为即使再认真的刷牙也只能到达所有牙齿表面的60%。
For example, in looking at survey data on the health behavior of middle and high school students, the factor I found that best predicted whether or not a kid was obese was tooth brushing.
譬如说，在观察了一份有关中学生和大学生健康行为的调查后，我发现一个孩子是否肥胖的最佳预知方法是看刷牙。
Well, actually, our obsessive-compulsive tooth-brushing practices lead to deteriorating oral health, including increased Numbers of cavities and eventual tooth loss.
其实每天的强迫性刷牙会损害口腔健康，造成蛀牙增多和牙齿脱落。
The reason is that the acidity in food and beverages causes tooth enamel to soften, and brushing right after eating an acidic meal strips enamel from the teeth, leaving them vulnerable to cavities.
食物和饮料中的酸性会造成牙齿釉质软化，马上刷牙容易得蛀牙。
Because the citric acid can erode tooth enamel, either hold off on brushing your teeth after drinking lemon water or brush your teeth before drinking it.
柠檬酸可以腐蚀牙釉质，所以要么在喝了柠檬水之后稍停片刻再刷牙，要么先刷牙再喝柠檬水。
Brush too soon after eating - as enamel on teeth is softened after eating especially with sugary foods - it's best to wait an hour before brushing which allows the tooth to harden up more.
进食后——尤其是吃了甜食后——牙釉质会软化，所以最好过一个小时等待牙釉质恢复后再刷牙。
Poor tooth brushing techniques can harm your teeth - if you really scrub your teeth too hard, you will wear the sides of your teeth down, leaving V-shaped defects near the gum margins.
不恰当的刷牙方法会损害牙齿，如果你真的太用力刷牙，就会磨损牙齿边缘，在牙龈缘附近形成V字形缺口。
On the other hand, a hard-bristled brush, coupled with vigorous brushing can result in recession of the gums and the abrasion of tooth enamel and exposed root surfaces.
另一方面，硬毛牙刷刷，刷的积极可能导致经济衰退的牙龈和牙齿的珐琅质磨损，暴露根耦合表面。
Because the citric acid can erode tooth enamel, either hold off on brushing your teeth after drinking lemon water or brush your teeth before drinking it.
柠檬酸可以腐蚀牙釉质，所以要么在柠檬水之前刷牙，要么先刷牙再喝柠檬水。
The tooth enamel is softened by the acid and brushing straight after will wear the teeth down.
酸性物质会软化牙釉质，立即刷牙会磨损牙齿。
By thoroughly cleaning this area before brushing the rest of the tooth 's surfaces, you can wipe out most of the problem - causing bacteria in your mouth.
在刷牙齿其余表面之前彻底清洁这块区域，你可以消灭口腔中大部分会导致问题的细菌。
"Not only should you take good care of your periodontal health with daily tooth brushing and flossing, you should expect to get a comprehensive periodontal evaluation every year," he advised.
“你不仅应该每天用牙刷和牙线，来好好照顾你的牙周健康，你也要每年去做一个综合性牙周健康评估，”他建议到。
Too many patients give the brush off to proper tooth brushing and flossing.
病人太多，给刷过适当的刷牙和使用牙线。
The investigators made allowances for factors such as age, gender, smoking, alcohol intake, frequency of tooth brushing, blood sugar and cholesterol levels.
研究人员还考虑到了年龄、性别、吸烟、饮酒、刷牙频率、血糖及胆固醇水平等各项因素。
Stroke-related difficulty in tooth brushing and denture wearing were associated with higher oral yeast carriage(P<0.05).
伴随刷牙困难及佩带活动义齿的中风患者的口腔念珠菌负荷较高（P〈0.05）。
The utility model discloses a tooth brushing utensil used in people's daily lives, comprising four parts of a hair brush, a motor, batteries and a maneuvering part.
一种用于人们日常生活中的刷牙用具，整个装置是由毛刷、电动机、电池和操纵四个部分组成。
They suggest limiting the length of tooth-brushing to two minutes and a force of 150 grams.
研究人员建议，刷牙的时间应该是两分钟，力度应在150克左右。
Even the most careful brushing reaches only three-fifths of all tooth surfaces. And dental floss can go where no brush has gone before: between teeth, along the gumline.
因为即使最认真地刷牙也只能刷到所有牙齿表面的五分之三，而牙线能够到达牙刷从没到过的地方：牙缝和牙龈线附近。
Horizontal brushing at right angles to the vertical axis of the teeth result in the severest loss of tooth substance.
已知水平刷法（垂直牙齿）会造成最严重的牙齿表面磨耗。
Specially flavored pet toothpastes help make the brushing a "treat" for your cat. Don't try to do the whole mouth the first day, just one tooth will suffice.
特别风味宠物牙膏刷牙有助于你的小猫尽快习惯，第一次不要全部都刷，只刷一颗就可以了。
Well, actually, our obsessive - compulsive tooth-brushing practices lead to deteriorating oral health, including increased Numbers of cavities and eventual tooth loss.
其实每天的强迫性刷牙会损害口腔健康，造成蛀牙增多和牙齿脱落。
Thus, the brushing effect in a transverse brushing mode on the tooth gaps is improved.
因此，改善了横刷法对牙齿的齿缝的刷拭效果。
Thus, the brushing effect in a transverse brushing mode on the tooth gaps is improved.
因此，改善了横刷法对牙齿的齿缝的刷拭效果。
应用推荐