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Teeth Terminology
Basic tooth terminology, directions, surfaces, and formulas.
34
Anthropology
Undergraduate 4
09/26/2011

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Term
Attrition
Definition
Tooth wear
Term
Dental formula in adult humans
Definition
2:1:2:3/2:1:2:3
Term
Deciduous dentition
Definition
Primary dentition, indicated by d (di, dc, dm)
Term
Permanent dentition
Definition
Secondary teeth, indicated by I, C, P, M
Term
Alveoli
Definition
Tooth socket
Term
Crown
Definition
Part of tooth that is covered by enamel (the part we see)
Term
Root
Definition
Part of tooth that anchors into alveolus (at least 1 root cone)
Term
Neck (cervix)
Definition
Constricted part of tooth at junction of crown/root
Term
Enamel
Definition
hard tissue that covers crown, 99% mineralized (fossilized)
Term
Cervicoenamel line (junction, CEJ)
Definition
The line encircling the crown at the cervix
Term
Dentinoenamel junction (DEJ)
Definition
Boundary between the enamel cap and the dentin
Term
Dentin (or dentine)
Definition
Tissue that forms the core of tooth and is supported by vascular system in pulp, and is line on inner surface by odontoblasts
Term
Pulp chamber
Definition
Expanded part of pulp cavity at the crown end of the tooth
Term
Root canal
Definition
Narrow end of pulp cavity at the root of the tooth
Term
Cementum
Definition
Bone-like tissue that covers external surface of tooth roots
Term
Pulp
Definition
Soft tissue within pulp chamber, includes nerve/blood vessels
Term
Apical foramen
Definition
Opening at root tip (apex), nerve fibers/vessels run through
Term
Cusp
Definition
Occlusal projection of the crown
Term
Apex
Definition
Tip of a cusp
Term
Fissure
Definition
Cleft on occlusal surface between cusps
Term
Crest
Definition
Large, elevated feature originating from a cusp
Term
Interproximal contact facets (IPCF)
Definition
Facets formed between adjacent teeth in the same jaw
Term
Cingulum
Definition
Ridge of enamel that party or completely encircles the sides of a tooth crown
Term
Supernumary teeth
Definition
Etra teeth that exceed expected number of teeth in any category
Term
Agenesis
Definition
The lack of tooth formation at a given position
Term
Hypoplasia
Definition
Disturbance of enamel formation, manifesting itself in transverse lines
Term
Hypercementosis
Definition
Excess of cementum forms on the root
Term
Taurodontism
Definition
Pulp chamber is expanded relatie to normal condition
Term
Caries
Definition
Diseas process resulting in the demineralization of dental tissue (aka cavities)
Term
Shovel-shaped incisors
Definition
Developed mesial-distal lingual marginal ridges, "shovel" appearance
Term
Ameoblasts
Definition
Enamel formers!
Term
Odontoblasts
Definition
Dentin formers!
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