Enamel fold

Enamel folds are folds in dental cement that are made up of tooth enamel . They also serve for a smooth chewing process after the top layer of enamel has decayed . Enamel wrinkles occur in horses , cows , elephants, and other animals that focus on eating grass , etc.

Individual evidence

1. ^ W. Doll, The importance of enamel folds in humans and animals, University of Erlangen (1951)