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

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

A defense mechanism of the pulp / dentin complex against dental caries is:

What change occurs in oral mucosa as we age?

The mandibular first premolars usually erupt:

  (decorative only image) fe elves.png Two of Santa’s elves are fighting over a bag of gifts. One elf punches the other in “elf defense” resulting in a lost tooth. The hole where the tooth used to be is the:

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:

(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? 

What major salivary glands drain from Stensen’s duct?

A lesion, such as a “canker sore” / aphthous ulcer, on the alveolar mucosa can expect to heal in: