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Ann Maxillofac Surg. 2018 Jul-Dec;8(2):344-346. doi: 10.4103/ams.ams_129_18.

Unusual Horizontal Root Fracture in a Mandibular Second Molar after Lower Wisdom Teeth Removal.

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Department of Oral and Maxillofacial Surgery, General Hospital of Nova IguaƧu, Rio de Janeiro, Brazil.


Dental trauma is a common injury observed at dental practices that normally occurs in young patients. It especially affects the anterior teeth, although trauma to the posterior teeth can also be observed frequently when caused by high-impact trauma and masticatory forces. Horizontal root fracture in the posterior teeth is even more rare and involves a more specific type of trauma. This article reports the case of a second molar root fracture that happened during the removal of an impacted wisdom tooth. The patient had no discomfort associated with the event, and the tooth had no change in sensibility or mobility during follow-up. Seven months after the fracture, there was complete radicular healing even though no treatment was given.


Dental trauma; horizontal root fracture; wisdom teeth

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