Mamelons are small, rounded bumps on the edge of permanent, adult incisors (your front teeth ... that about 5% of people have mamelon ridges on their teeth in their 50sbut trace mamelons may ...

Following is a transcript of the video. Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in ...