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Definition
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Term
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Definition
toward the center line of the dental arch
external tooth surface |
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Definition
away from the center line of the dental arch
external tooth surface |
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Term
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Definition
the mesial or distal surface of a tooth or the portion of a cavity that is nearest to the adjacent tooth
external tooth surface |
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Term
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Definition
adjacent to the cheek
(premolars and molars)
external tooth surface |
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Term
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Definition
toward the lip
(incisors and canines)
external tooth surface |
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Term
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Definition
incudes buccal and labial surfaces of teeth in both maxillary and mandibular arches
external tooth surface |
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Term
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Definition
pertaining to the masticating surfaces of the posterior teeth
external tooth surface |
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Term
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Definition
next to or toward the tongue |
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Term
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Definition
relating to the cutting edge of the anterior teeth, the incisors and canines
external tooth surface |
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Term
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Definition
internal wall perpendicular to the long axis of the tooth
interior tooth surface |
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Term
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Definition
internal wall parallel to the long axis of the tooth
internal tooth surface |
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Term
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Definition
elevation or mound on the crown portion of the tooth making up a divisional part of the occlusal surface
Crown Elevations |
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Term
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Definition
large rounded eminence on the lingual surface of all anterior teeth, which encompasses the cervical third of the lingual surface
Crown Elevations |
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Term
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Definition
an elevation smaller than a cusp on some portion of the crown produced by an extra formation of enamel.
(These are deviations from the typical form expect for the Cusp of Carabelli on the maxillary first molar).
Crown Elevations |
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Term
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Definition
rounded projections on incisal edges of incisors which normally wear away shortly after eruption
Crown Elevations |
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Term
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Definition
any linear elevation on the surface of the tooth and is named accordingly to its location
Crown Elevations |
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Term
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Definition
rounded boarders of the enamel that form the mesial and distal margins of the occlusal surfaces of premolars and molars and the mesial and distal margins of the lingual surfaces of the incisors and canines.
Crown Elevations |
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Term
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Definition
linear ridges which descend from the tips of cusps of posterior teeth toward the central area of the occlusal surface forming a triangular shape
Crown Elevations |
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Term
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Definition
the union of a buccal and lingual triangular ridge crossing transversely the surface of a posterior tooth
Crown Elevations |
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Term
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Definition
a ridge crossing obliquely the occlusal surfaces of maxillary molars and formed by the union of the triangular ridge of the distobuccal cusp and the distal cusp ridge of the mesiolingual cusp
Crown Elevations |
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Term
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Definition
the ridges extending from a cusp tip; each cusp has four cusp ridges extending in different directions (mesial, dstal, facial, and lingual)
Crown Elevations |
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Term
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Definition
an irregular depression or concavity
Crown Depressions |
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Term
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Definition
located on the lingual surface of incisors
Crown Depressions |
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Term
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Definition
located on the occlusal surface of molars, formed by the convergin of ridges terminating at a central point in the bottom of the depression where there is a junction of grooves
Crown Depressions |
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Term
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Definition
located on molars and premolars on the occlusal surfaces adjacent to arginal ridges
(they are sometimes found on the lingual surfaces of maxiallary incisors at the edge of the lingual fossae where the marginal ridges and the cingulum meet).
Crown Depressions |
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Term
Development (primary) groove |
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Definition
Shallow groove or line between the primary parts, or lobes of the crown of a tooth.
Crown Depressions |
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Term
supplemental (secondary) groove) |
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Definition
an auxillary groove which branches from a development groove, and is not related to the junctions of primary parts of the crown.
Crown Depressions |
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Term
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Definition
small pinpoint depressions located at the junction of developmental grooves or at terminals of the grooves
Crown Depressions |
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Term
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Definition
where two walls (surfaces) meet
mesiobuccal line angle |
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Term
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Definition
where three walls meet
(When combining words to form the name of a ling angle or point angle, the last two letter of all but the last word are dropped and the letter "o" is subsititued. Two o's are sepearated by a hyphen.)
mesio-occluso-buccal point angle
Crown Depressions |
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Term
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Definition
the area of the proximal surface (mesial or distal) of a tooth that touches an adjacent tooth in that arch
Crown Depressions |
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Term
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Definition
the open spaces between the proximal surfaces of adjacent teeth |
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Term
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Definition
one of four or five, primary centers of formation of a tooth;s cron. Cusps are repsresentative of lobes. Mamelons represent the incisal termination of a lobe.
Crown Depressions |
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Term
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Definition
a surface that curves inward |
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Term
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Definition
a surface that curves or bulges outward |
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