Multiple dens invaginatus in two brothers.

Dens invaginatus is a developmental variation resulting from an alteration in the normal growth pattern of the dental papilla of a tooth. They predominantly occur on maxillary permanent lateral incisors. Their occurrence in several maxillary incisor teeth in an individual has been frequently reported, and the examination of bilateral teeth for the anomaly is well accepted. However, the present case illustrates the importance of examining both maxillary and mandibular incisors in patients who present with a dens invaginatus, in addition to other members of the family.

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