… CASE REPORT This is an uncommon case of fusion between a permanent mandibular
third molar with a supernumerary tooth (paramolar). A 24-yearold man attended the
department of Oral Medicine, Dental School of Shaheed Beheshti University of Medical
Sciences for routine dental check up. During oral and …

Fusion is a developmental anomaly defined as the union of two normally separated tooth
buds or the partial splitting of one tooth bud into two buds. Depending on the stage of
development, fusion may be either complete or incomplete. The significance of this
particular case was that this fusion occurred in a posterior permanent mandibular tooth,
while such a manifestation is more reported in maxillary anterior teeth; either in the primary
[0.5%] or permanent [0.1%] dentition. The genetic basis for this anomaly is probably …