Mesiodens with Supernumerary Root in a Non Syndromic Child: A Rare Case with Unusual Morphology and its Management

Abstract

Supernumerary teeth, also known as hyperdontia, are an odontostomatologic aberration characterised by the presence of an excessive number of teeth. They are divided into four categories based on their shapes and sizes: conical, tuberculate, supplementary and odontomes. The most typical location for mesiodens is the palatal midline between the two maxillary central incisors. Mesiodens is common with incidence of occurrence being 0.3-0.8% for primary teeth and 0.15-3.8% for permanent teeth. A supernumerary root is characterised as the existence of an extra root than the typical number, but a mesiodens with a supernumerary root is a very unusual condition encountered, and its occurrence in children is extremely rare. This unusual morphology is not associated with any syndromes. In the present case, the morphology of the crown of mesiodens was found to be conical in shape both clinically and radiographically, but on extraction of mesiodens unusual root morphology with a supernumerary root was seen. Variations in the crown morphology where the crown of mesiodens had five lobes that was separated by developmental grooves and root dilacerations have been noted. However, no case of mesiodens with a supernumerary root has been reported in the literature by far and this paper attempts towards it. Therefore, the present case emphasises on the importance of considering the morphological variations prior to the onset of the treatment. So, hereby authors present a eight-year-old female with rare and unusual case with a mesiodens with a supernumerary root and its management.

Keywords

• cone beam computed tomography
• hyperdontia
• mixed dentition
• root anomaly