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        | extensive adhesion of the tongue to the floor fo the mouth or the lingual aspect of the anterior portion of the mandible. |  | 
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        | teeth that are fused to the alveolar bone; a condition especially common with retained deciduous teeth. |  | 
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        | Marked deviation from normal, especially as a result of congenital or hereditary defects. |  | 
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        | the site of union of corresponding parts (e.g. the corners of the lips) (labial commissure lip pits) |  | 
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        | In dentistry a condition in which two adjacent teeth become united by cementum. |  | 
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        | present at and existing from time of birth. |  | 
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        | An abnormal sac or cavity lined by epithelium and enclosed in a connective tissue capsule |  | 
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        | "A tooth within a tooth"; a developmental anomaly that results when the enamel organ invaginates into the crown of a tooth before mineralization. |  | 
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        | The distinguishing of of one thing from another |  | 
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        | an abnormal bend or curve, as in the root of a tooth |  | 
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        | the union of two adjacent tooth germs |  | 
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        | "twinning"; a single tooth germ attempts to divide resulting in the incomplete formation of two teeth; the tooth usually has a single root and root canal |  | 
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        | partial anodontia; the lack of one or more teeth |  | 
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        | teeth that cannot erupt into the oral cavity because of a physical obsruction |  | 
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        | a radiographic apperance in which many circular radiolucencies exist; these can appear"soap bubble like" or "honeycomb-like" |  | 
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        | a small solid mass that can be detected through touch |  | 
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        | a disposition in favor of something; preference |  | 
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        | the multiplication of cells |  | 
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        | the embryonic invagination that becomes the oral cavity |  | 
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        | in excess of the normal or regular number, as in teeth |  | 
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