The number of the gear cutter is determined by the tooth count of the gear to be cut.

More accurate tooth counts were also obtained, allowing a new gearing scheme to be advanced.

Specimens identified as immature Tarbosaurus have the same tooth count as adults.

Note: Gear ratio is determined by tooth count on second gear.

Later ratchets, from 1971 and onward, used a 9 tooth pawl making the ratchet a 45 tooth count.

The exact implications of this difference in tooth count has been controversial.

The skull of Uroplatus is strongly ossified, with an extremely high tooth count and incipient secondary palate.

The tooth count for each dentary (tooth-bearing bone in the lower jaw) was at least 22.

The most likely tooth counts appear to be 8:4, the same as Lapieur made earlier for watch 1085 above.

There are two empty alveoli, so that the total tooth count on one side was at least 15.