第四章
An Explanation of Dental Caries
有關(guān)齲齒的解釋
Why do I have so many cavities,Doctor?
醫(yī)生,為什么我有這么多蛀牙?
It seems that every time I go to the dentist,thereare at least three or four new ones.
好像是每次去看醫(yī)生至少發(fā)現(xiàn)三、兩顆性的蛀牙。
Many of my fillings have been replaced two or three times.
我補(bǔ)過(guò)的牙有好些還重補(bǔ)過(guò)兩三次。
Your teeth are very susceptible to decay.
你是容易患蛀牙的。
The reasons for increased caries susceptibility in certain patients aren't fully understood bydental scientists.
牙科醫(yī)學(xué)家們還完全弄清楚某些病人易患蛀牙的原因。
There are many complicated factors involved in the formation of dental caries.
造成蛀牙有許多復(fù)雜的原因。
Can you give me an example,Doctor?
醫(yī)生, 你舉例說(shuō)明吧。
Heredity,prenatal development and diet are some of the factors that are important.
遺傳,出身前的發(fā)育狀況和食物都是重要的因素。
The body chemistry of an individual and particularly of the mouth and saliva are alsoimportant.
每一個(gè)人本身的化學(xué)反應(yīng), 特別是口腔和唾液的化學(xué)反應(yīng)也是重要的因素。
What is the most important?
重要的因素是什么?
The most important and practical thing for you to know about tooth decay is that it's caused bybacteria.
對(duì)于造成蛀牙所應(yīng)知道的最重要的,最實(shí)際的一點(diǎn)就是蛀牙是細(xì)菌造成的。
You can control the oral bacteria with daily home care.
你可以通過(guò)日常的保護(hù)來(lái)控制口腔的細(xì)菌。
If you remove the bacteria from your teeth by effective toothbrushing and dental flossing,you'll reduce the number of new cavities.
假如你刷牙刷得有效,牙線使用的有效,就可以使細(xì)菌影響減小,這樣蛀牙就會(huì)少。
Is it possible to stop having new cavities?
不再出現(xiàn)蛀牙有可能嗎?
Yes, you may be able to stop having new cavities.
是的,您有可能阻止新蛀牙的發(fā)生。
The bacteria on the teeth use starches and sugars in the foods that you eat to form an acidthat dissolves enamel.
附在牙齒上的細(xì)菌利用你吃的食物中的淀粉、脂和糖, 把它轉(zhuǎn)變成為能夠使牙釉質(zhì)分解的一種酸。