Common presence of fused roots showed by X-ray film that short or long root, supernumerary root, or fused roots. These root anomalies are commonly seen in permanent molars, especially in third molars which are the most anomaly in one fused root, 2 or 3 fused roots, even 4 fused roots, round apical root or dilacerations.
Also indexed as
Root anomalySupernumerary roots
Nearby in Disorders of tooth development or eruption