YOU SAID:

you'll never get a cavity if you never go to the dentist

INTO JAPANESE

歯医者に行かないと虫歯にならない

BACK INTO ENGLISH

I have to go to the dentist. I have to get dental caries.

INTO JAPANESE

歯医者に行かないといけない。虫歯にならないと

BACK INTO ENGLISH

I have to go to the dentist. I need to get cavities.

INTO JAPANESE

歯医者に行かないといけない。虫歯を治さないと

BACK INTO ENGLISH

I have to go to the dentist. We need to cure the tooth decay.

INTO JAPANESE

歯医者に行かないといけない。虫歯を治す必要がある

BACK INTO ENGLISH

I have to go to the dentist. We need to cure the tooth decay.