Conversely, flat teeth, like premolars and molars, distribute bite forces over a greater surface area, making them ideal for turning large chunks of food into smaller chunks.

Flat teeth. Ever peered into your mouth and thought that your teeth look curiously... flat? It could be a by-product of dealing with high stress levels or anxiety, according to Nyree.

Wisdom teeth are a third set of molars — the large, flat teeth at the back of the mouth — that usually emerge between the ages of 17 and 25.

These wide, flat teeth help a child grind food, speak, and smile. According to the American Dental Association, 2-year molars typically come through when a child is 23-33 months old.

Flat teeth. Ever peered into your mouth and thought that your teeth look curiously... flat? It could be a by-product of dealing with high stress levels or anxiety, according to Nyree.