Abrade
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To wear away the external covering or layer of a part
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Abrasion
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The wearing away of tooth substance by mechanical means
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Alveolar
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Pertaining to an alveolus
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Alveolar process
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The ridge projecting from the lower surface of the body of the maxilla or the upper surface of the mandible containing the alveoli of the teeth
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Alveoli
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Plural of alveolus. The bony sockets in which the roots of the teeth rest
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Alveolus
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A tooth socket. A cavity in the jaw bone which envelops the root of the tooth
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Anatomical crown
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The portion of a tooth that is covered by enamel
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Anomaly
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A marked deviation from the normal form
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Anterior
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Situated in front of or in the forward part of
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Anterior tooth
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Any one of the incisors or cuspids of either jaw
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Apex
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The pointed extremity of any conical part. The terminal end of the root of a tooth
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Apical
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Pertaining to or located at the apex
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Apical foramen
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The opening of the pulp canal at the apex of the root of a tooth
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Apices
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The opening of the pulp canal at the apex of the root of a tooth
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Atrophic
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Pertaining to or characterized by atrophy
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Atrophied
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Pertaining to or characterized by atrophy
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Atrophy
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A wasting away or diminution in the size of a part
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Attrition
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The wearing away of the incisal edges and occlusal surfaces of the teeth in the act of mastication or by the opposing teeth of the opposite jaw
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