Translation of "Cavities" in Japanese

I don't have any cavities.

虫歯は１本もありません。

If we care for our teeth we won't have cavities.

歯をきちんと手入れしていれば虫歯にはならない。

Making light of cavities can be a matter of life and death.

虫歯を侮ると命に係わる場合もあるのです。

- I have a lot of bad teeth.
- I have a lot of cavities now.

今は虫歯だらけだ。

Cavities have become rarer in the developed countries and more people will be able to eat with their own teeth throughout their life.

先進国では虫歯が激減し、自分の歯で一生食べられる人が増えています。