YOU SAID:

I poured bleach in my dogs mouth to clean his teeth.

INTO JAPANESE

私は犬の口に漂白剤を注いで彼の歯をきれいにした。

BACK INTO ENGLISH

I poured bleach into the dog's mouth to clean his teeth.

INTO JAPANESE

私は犬の口の中に漂白剤を注いで彼の歯をきれいにした。

BACK INTO ENGLISH

I poured bleach into the dog's mouth to clean his teeth.