[2] Digestive System

this masticates food into smaller fragments

the first teeth to appear are the lower central incisors

• t

• f

baby has 18 teeth ; a full set of teeth is 32

• t f

• f t

• f f

• t t

_____ : exposed part of the tooth

_____ : covers the crown

• crown : enamel

• enamel : crown

where the pulp cavity extends into the root

contains connective tissue, blood vessels, and nerve fibers

found deep to the enamel and forms the bulk of the tooth, surrounds the pulp cavity

covers outer surface and attaches the tooth to the periodontal membrane

holds tooth in place in the bony jaw

a connector; region in contact with the gum