A 4-year-old child presents with fewer teeth than normal, and the lateral incisors exhibit bifurcated roots containing two root canals. This condition is known as ____________?

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Abnormal root bending (Dilaceration)Joining of teeth by cementum (Concrescence)Combination of two tooth buds into one (Fusion)Single tooth bud splitting into two crowns (Gemination)

Explanation

Fusion occurs when two separate tooth buds unite, resulting in a reduced number of teeth and a tooth with bifurcated roots and two root canals, as seen in this case.