歯型を取ります。

tbd

I'll take an impression of your teeth.

この間、歯医者行ったら、念のためとか言われて、歯型とレントゲンをとられた。いい商売してるよ。

tbd

I went to the dentist recently and he did a cast of my teeth and took an X-ray, just in case. It sounds like a good business to be in.