I need to have two teeth filled.

　　我有兩顆牙要補。

　　Choose an essay topic that you can really get your teeth into.

　　選擇一個(gè)你可以真正悉心鉆研的論文題目。

　　A high proportion of five-year-olds have teeth in poor condition.

　　五歲兒童牙齒不健康的比例高。

　　The dentist may decide that the wisdom teeth need to be extracted.

　　牙醫可能會(huì )認為智齒需要拔掉。

　　They took a plaster cast of the teeth for identification purposes.

　　他們做了這副牙的石膏模型作鑒別之用。