The upper teeth are exposed when the mouth is closed.
The girl's upper teeth sank into her lower lip for a moment.
No older than forty-five, she thought, yet already you have lost your upper teeth.
The sound begins with the lower lip placed behind the upper teeth.
The face is above the representation of a large monster head with upper teeth.
His right side is frozen and only some upper teeth are shown.
They lack upper front teeth, unlike that of a horse.
The upper teeth may be used in holding prey, but it is not clear why only this species has them.
She showed him that her two upper front teeth were false.
He forces Dad's upper teeth into his mouth and can't get them out again.