The dentist decided to extract the decayed tooth.

牙医决定抽出那颗坏牙。

The doctor suggested to remove the decayed tooth.

医生建议去除坏掉的牙齿。

I have a decayed tooth.

我有一颗虫牙。

I got a decayed tooth pulled off yesterday.

昨天我让牙医把我的一颗坏牙齿拔掉了。

I had my decayed tooth filled by the dentist.

我请牙医填补我的蛀牙.

Mouth Cavity: including tonsil, decayed tooth etc.

口腔科: 含扁桃体 、 龋齿等.

I went to the dentist's yesterday to get my decayed tooth pulled out.

昨天我去牙科医生那儿把我的一颗蛀牙拔掉了。

How does decayed tooth develop? If be treated not in time, sequential how?

虫牙是如何发展的? 若不及时治疗, 后果怎样?

The prevalence rate of decayed tooth is falling, but that of bad eyesight was ascending.

龋患率呈降低趋势，但视力不良率呈上升趋势。

The prevalence rate of decayed tooth is decreasing , while that of bad eyesight is increasing.

说明洪雅县农村小学生龋齿患病率呈下降趋势，但视力不良呈上升趋势。