What is the meaning of suffix dontics?

The term "dontics" isn't a recognized suffix in English or any other language. It's possible that you've encountered a misspelling or a made-up word.

If you could provide more context, such as the word you saw "dontics" attached to, I might be able to help you understand what it means.

For example, if you saw "dontics" in the word "dentaldontics," it might be a made-up term related to dentistry.