The doctor showed his whole row of teeth in a smile.

About the only thing Matt could see clearly were wide rows of teeth.

He smiled to show two rows of tiny white teeth.

He smiled at her, showing a row of even white teeth.

Furthermore, the rows of teeth in the two species are different.

There are about 70-78 upper and 82 lower tooth rows.

They have one row of teeth in the upper and lower jaw.

Again, the public smile, showing two rows of perfect teeth.

Then the mouth opened on a double row of very sharp teeth.

There are 11-13 tooth rows in either half of both jaws.