口腔臨床英語對(duì)話 第12期:根管治療法(3)
我有一顆牙在牙根管里補(bǔ)過。現(xiàn)在這顆牙變了顏色，有什么辦法可以解決?
Sometimes a tooth with a root canal filling willchange color.
牙根管補(bǔ)過的牙有時(shí)會(huì)變色。
I can treat it by bleaching it with superoxol(30%H2O2).
我可以用30%的過氧化氫液來漂白牙齒。
If the crown of the tooth is weak it would be better to make a porcelain, acrylic, or ceramiccrown.
假如牙冠薄弱，那么還是做上瓷的、透明合成樹脂的或者是烤瓷的牙冠。
If the crown of the tooth is strong, I'd rather bleach it. Bleaching a tooth isn't very difficult.
假如牙齒結(jié)實(shí)的話，還是漂白好。漂白牙齒并不困難。
What is the first step, Doctor?
醫(yī)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補(bǔ)物都挖掉。
A rubber dam is needed to prevent the superoxol from burning the gingival.
需要做個(gè)橡皮障免得牙齦被燒傷了。
How is the superoxol applied?
怎樣使用30%的過氧化氫液?
The Superoxol is applied to the tooth with a little bit of cotton.
可以用小棉球?qū)?0%的過氧化氫液涂到牙齒上。
The bleaching is done by applying heat to the tooth with a hot metal dental instrument.
漂白牙齒要用一種發(fā)熱的金屬器械把熱送達(dá)牙齒上。
There's no discomfort associated with this technique.
進(jìn)行這種療法并不會(huì)有什么不舒服。
What color does this treatment make the tooth?
治療完了之后牙齒會(huì)變成什么顏色。
The tooth might be a very light color after it's bleached.
牙齒經(jīng)過漂白之后會(huì)變得十分亮，
However, it will change to a normal color in less than one week.
但是到了一個(gè)多星期之后就會(huì)變得與正常的牙齒顏色一樣。
