Odontomas are considered the most common odontogenic tumors. They are usually assymptomatic and detected during routine radiographic exams. They are usually detected before 20. As odontomas can affect the normal eruption of teeth its early diagnosis is extremely important. The preferred treatment for this type of lesions is surgical removal, is not expected recurrence. A 12 years old, female, presented to the dental clinic with a proclination of 21. The diagnosis showed the presence of a radiopaque image near the root of 21. The proposed treatment was surgical removal of the lesion. It was confirmed the diagnosis of compound odontoma. Tracking the case it's important to evaluate further need of orthodontic treatment. Palabras clave: pediatric dentistry, tooth eruption, compound odontoma, surgical excision