口腔临床英语对话 第12期:根管治疗法(3)
时间：2018-12-03 作者：英语课 分类：口腔临床英语对话
英语课
I have a root canal filling in one of my teeth. The tooth is changing color. Can anything be done about it?
我有一颗牙在牙根管里补过。现在这颗牙变了颜色，有什么办法可以解决？
Sometimes a tooth with a root canal filling will change color.
牙根管补过的牙有时会变色。
I can treat it by bleaching 2 it with superoxol (30%H2O2).
我可以用30%的过氧化氢液来漂白牙齿。
If the crown of the tooth is weak it would be better to make a porcelain 3, acrylic, or ceramic 4 crown.
假如牙冠薄弱，那么还是做上瓷的、透明合成树脂的或者是烤瓷的牙冠。
If the crown of the tooth is strong, I'd rather bleach 1 it. Bleaching a tooth isn't very difficult.
假如牙齿结实的话，还是漂白好。漂白牙齿并不困难。
根管治疗法.jpg
What is the first step, Doctor?
医生，第一步怎么做？
The first step is to remove all of the old filling.
第一步先把所有的填补物都挖掉。
A rubber dam is needed to prevent the superoxol from burning the gingival.
需要做个橡皮障免得牙龈被烧伤了。
How is the superoxol applied 5?
怎样使用30%的过氧化氢液？
The Superoxol is applied to the tooth with a little bit of cotton.
可以用小棉球将30%的过氧化氢液涂到牙齿上。
The bleaching is done by applying heat to the tooth with a hot metal dental instrument.
漂白牙齿要用一种发热的金属器械把热送达牙齿上。
There's no discomfort 6 associated with this technique.
进行这种疗法并不会有什么不舒服。
What color does this treatment make the tooth?
治疗完了之后牙齿会变成什么颜色。
The tooth might be a very light color after it's bleached 7.
牙齿经过漂白之后会变得十分亮，
However, it will change to a normal color in less than one week.
但是到了一个多星期之后就会变得与正常的牙齿颜色一样。
1 bleach
vt.使漂白；vi.变白；n.漂白剂
- These products don't bleach the hair.这些产品不会使头发变白。
- Did you bleach this tablecloth?你把这块桌布漂白了吗？
2 bleaching
漂白法，漂白
- Moderately weathered rock showed more intense bleaching and fissuring in the feldspars. 中等风化岩石则是指长石有更为强烈的变白现象和裂纹现象。
- Bleaching effects are very strong and show on air photos. 退色效应非常强烈，并且反映在航空象片上。
3 porcelain
n.瓷；adj.瓷的，瓷制的
- These porcelain plates have rather original designs on them.这些瓷盘的花纹很别致。
- The porcelain vase is enveloped in cotton.瓷花瓶用棉花裹着。
4 ceramic
n.制陶业，陶器，陶瓷工艺
- The order for ceramic tiles has been booked in.瓷砖的订单已登记下来了。
- Some ceramic works of art are shown in this exhibition.这次展览会上展出了一些陶瓷艺术品。
5 applied
adj.应用的；v.应用，适用
- She plans to take a course in applied linguistics.她打算学习应用语言学课程。
- This cream is best applied to the face at night.这种乳霜最好晚上擦脸用。
6 discomfort
n.不舒服，不安，难过，困难，不方便
- One has to bear a little discomfort while travelling.旅行中总要忍受一点不便。
- She turned red with discomfort when the teacher spoke.老师讲话时她不好意思地红着脸。