Introduction:

lesions resulting from the interaction between pulp and periodontal disease are known as endoperiodontal lesions. Diagnosis and treatment are complex and prognosis is guarded and depends on timely and accurate diagnosis.

Patient information:

12-year-old patient with throbbing pain, increased volume, fistula, history of pulpo-radicular treatment, and incisal trauma four years ago to the upper left central incisor. The periapical radiograph reported a lesion involving the apical middle thirds of the left upper incisors. Definitive diagnosis: combined endoperiodontal process, a primary endodontic lesion with secondary periodontal involvement in the upper left central incisor and primary periodontal lesion with secondary endodontic involvement in the left lateral incisor.

Conclusions:

laser therapy was applied after the endodontic and periodontal treatment carried out. A satisfactory clinical-radiographic result was achieved.

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