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We treated a crown malformation of the lower left permanent central incisor teeth in a girl aged 10 years 8 months. The malformation derived from traumatic injuries to a primary tooth at 2 years old. We determined the treatment plan using 3DXTM. The crown of the lower left permanent central incisor tooth had bent at 90 degrees against the root. The labial enamel entered to the dentin of the crown, and part of the enamel reached to near the pulp. We treated the tooth using indirect capping with calcium hydroxide paste for four times at intervals of two months to induce reparative dentin formation. The occlusion and esthetic appearance were adjusted by composite resin restoration. 3DXTM was useful for diagnosis and treatment of a tooth with crown malformation derived from traumatic injuries.

journal of hard tissue biology

Treatment of a Crown Malformation in a Lower Left Permanent Central Incisor Tooth Derived from Earlier Traumatic Injuries to a Primary Tooth Based on Diagnosis using 3DX