The forehead develops from the:

The epithelium is keratinized in which of the following locations?

If a tooth has a ‘labial’ surface, it does not have a:

The process in which a single tooth germ unsuccessfully attempts to divide resulting in a single root with what appears clinically as two crowns is:

Calcium hydroxyapatite is the crystal that (1) forms the organic portion of enamel and (2) is found in all mineralized tooth tissues.

The functional significance of keratinized tissue is that:

Of the following, which are MOST often found to be congenitally missing?

(decorative image)    santa and rudy(1).jpg Santa’s reindeer are munching their oats after a long Christmas Eve night of flying. One of the reindeer breaks a tooth on a piece of Christmas candy that dropped from Santa’s pocket. The tooth fracture exposes the dental pulp (ouch!). The one who broke his tooth also has a bright, glowing red nose. ALL of the other reindeer laugh at the red-nosed reindeer’s gap-toothed smile. Who laughed at him? 

The tooth that has a developmental groove extending over the mesial marginal ridge and terminating in a concavity / depression on the mesial surface is the:

Which structure would NOT be found on the occlusal surface of a mandibular molar?