Teeth And Diseases Affecting Your Teeth
Beginning of paper
Teeth are numerous, hard tissue structures in the mouths of humans. In
humans the teeth are composed of nan inner layer of dentin that, above the
gum line, is covered by a layer of enamel. Called the crown, this part of
the tooth is extremely hard. The root portion of the tooth is covered with
a b ....
Middle of paper
.... to birth. They are eventually replaced-
beginning around the age of 6 -by 32 permanent teeth.: 4 central incisors,
4 lateral incisors, 4 cuspids, 8 bicuspids (premolars), and 12 molars.
The 4 wisdom teeth develop after the other 8 molars, as the jaws increase
in size. If this increase is insufficient, the wisdom teeth may become
impacted, that is wedged between the jawbone and other teeth, sometimes
resulting in pain and inflammation. The upper teeth, called maxillary, and
the lower teeth, ....
------------------
Word count: 729
Page count: 3 (approximately 250 words per page)
