D2I2.
benign

Odontoma

An odontoma, also known as an odontome, is a tumour linked to tooth development. Specifically, it is a dental hamartoma, meaning that it is composed of normal dental that has grown in an irregular way. It includes both odontogenic hard and soft . As with normal tooth development, odontomas stop growing once mature which makes them benign.

Underlined words are explained — tap any of them.

Plain-language summary adapted from Wikipedia. Not medical advice.