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chapter 12

TermDefinition
Angle’s classification system developed by Dr. Edward H. Angle to describe and classify occlusion and malocclusion
anterior toward the front
apical third division of the root nearest the tip of the root
buccal surface tooth surface closest to the inner cheek
buccolingual division lengthwise division of the crown in a labial or buccolingual direction, consisting of the facial or buccal/labial third, middle third, and lingual third
centric occlusion maximum contact between the occluding surfaces of the maxillary and mandibular teeth
cervical third division of the root nearest the neck of the tooth
concave curved inward
contact area area of the mesial or distal surface of a tooth that touches the adjacent tooth in the same arch
convex curved outward
curve of Spee curvature formed by the maxillary and mandibular arches in occlusion
curve of Wilson cross-arch curvature of the occlusal plane
deciduous (duh-SID-yoo-us) pertaining to the first dentition of 20 teeth; often called “baby teeth” or primary teeth
dentition (den-TI-shun) natural teeth in the dental arch
distal surface the surface of the tooth distant or away from the midline
distoclusion (DIS-toe-kloo-shun) class II malocclusion in which the mesiobuccal cusp of the maxillary first molar occludes mesial to the mesiobuccal groove of the mandibular first molar
embrasure (em-BRAY-zhur) triangular space in a gingival direction between the proximal surfaces of two adjoining teeth in contact
facial surface tooth surface closest to the face. Facial surfaces closest to the lips are called labial surfaces, and facial surfaces closest to the inner cheek are the buccal surfaces; therefore, the term facial can be substituted for labial and buccal, and vice versa
functional occlusion contact of the teeth during biting and chewing movements
incisal surface the chewing surface of anterior teeth
Created by: candaceosb2153
 

 



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