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Head neck and dental anatomy
Chapter 3 vocab
36
Anatomy
Undergraduate 1
10/02/2012

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Term
Crown
Definition
portion of the tooth normally visible in the mouth and covered with enamel
Term
Root
Definition
portion of the tooth that is located in the bone and not normally visible
Term
Cervix
Definition
the neck of the tooth, the area where the crown joins the root or enamel joins the cementum
Term
Anatomic Crown
Definition
portion of the tooth that is covered with enamel
Term
Clinical Crown
Definition
portion of the tooth that is visible in the mouth. Extends from the occlusal or incisal edge to the crest of the free gingiva
Term
Mesial
Definition
toward the middle
Term
Distal
Definition
surface of the tooth farthest from the midline
Term
Facial
Definition
surfaces closest to the face
Term
Labial
Definition
facial surfaces of the anterior teeth closest to the lip
Term
Buccal
Definition
facial surfaces of the posterior teeth closest to the cheek
Term
Lingual
Definition
surfaces closest to the tongue
Term
Occlusal
Definition
relating to the biting surface
Term
Incisal edge
Definition
biting surface of the anterior teeth
Term
Proximal
Definition
nearest to the point of attachment
Term
interproximal
Definition
triangular space between two adjoining surfaces
Term
contact area
Definition
the portion of the proximal surface of a tooth that touches the adjacent tooth
Term
apex
Definition
a pointed extremity of a structure.
Term
line angle
Definition
an angle formed by the joining of 2 surfaces
Term
point angle
Definition
area on a tooth where 3 surfaces meet
Term
enamel
Definition
hard tissue that covers the crown of the tooth.
Term
Cementum
Definition
Covers the root of the tooth, has same density as bone
Term
Dentin
Definition
makes up major portion of the crown and the root of the tooth.
Term
Pulp
Definition
Center of the tooth, contains soft tissue, nerves and blood vessles
Term
pulp Chamber
Definition
located in the crown of the tooth
Term
pulp horns
Definition
small peaks of pulp attached to the pulp chamber
Term
pulp cavity
Definition
Together the pulp chamber and pulp canal make up the pulp cavity
Term
apical foramen
Definition
hole in the apex of the root
Term
periodontal ligament
Definition
surrounds the root of the tooth made of fibers and ligaments, sharpy's fibers
Term
alveolus
Definition
socket
Term
alveolar process
Definition
portion of the bone that surrounds the root and teeth
Term
free ginigiva
Definition
surrounds the cervix and fills the inter-proximal space. unattached on the inner surface, creating a sulcus
Term
sulcus
Definition
a shallow depression
Term
attached gingiva
Definition
adheres to the bone at the free gingival margin.
Term
alveolar mucosa
Definition
this loosely attached mucosa covering the alveolar bone
Term
muco-gingival junction
Definition
where the attached gingiva and the aveolar mucosa meet
Term
melanin
Definition
a dark pigment
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