Mandibular second molar impaction: introducing a novel and validated 3D classification system.

While M2M impaction occurs in 0.03% to 0.65% of adolescents, with a peak at 4.6% among those requiring orthodontic treatment, recent studies suggest an increasing trend in M2M impaction that emphasizes the necessity for a thorough understanding and effective management of this condition [ 1 , 6 – 8 ].

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