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Dens in Dente

Posted Oct 13 2009 5:48pm
Dens in Dente literally means "a tooth within a tooth". It is a developmental anomaly caused by an epithelial invagination during the development of the tooth. Enamel is laid down on the internal surface of the tooth. This is most frequently seen in maxillary lateral incisors.

A thin layer of enamel can be seen internally. An amalgam restoration was previously placed at some point to try and seal off the development groove into the dens in dente.

Access for endodontic treatment reveals the internal layer of enamel.

Endodontic treatment is completed.


This peg lateral incisor also shows the internal and external layers of enamel of a dens in dente. The large dens in dente has also affected the overall development of the tooth.
Submitted by: Dr. Rico D. Short of Smyrna, GA.


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