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Anatomic Crown
Portion of dentin covered by enamel
Clinical Crown
Portion of the tooth that is visible in the oral cavity
Tooth Root
Portion of the tooth that is normally embedded in the alveolar process and is covered with
cementum
Tooth Apex
Tapered end of each root tip
Periapical
Apex and the surrounding area of a tooth
Tooth Cervix
, Narrow area of the tooth where the crown and root meet (Cervix means neck)
Cementoenamel Junction
Formed by the enamel of the crown and the cementum of the root. Area also know as the
cervical line or the cementoenamel junction (CEJ)
Enamel
Makes up the anatomic crown of the tooth. is the hardest material of the body, this hardness is
important because enamel forms the protective covering for the softer underlying dentin. Enamel
is translucent.
Enamel Prisms
Another term for enamel rods that make up the enamel structure
Dentin
Portion of the tooth that lies between the enamel or cementum and the pulp
Dentinal Tubules
Microscopic canals found in dentin
Pulp
Central portion of teeth that is made up of blood vessels, nerves, and cellular elements, including
odontoblasts, which forms dentin.