Radiographic analysis of the management of tooth extractions in head and neck-irradiated patients: a case series
Oliveira Samanta V., Vellei Renata S., Heguedusch Daniele, Domaneschi Carina, Costa Claudio, de Barros Gallo Camila,
소속 상세정보
( Oliveira Samanta V. ) - Universidade de Sao Paulo School of Dentistry Stomatology Department
( Vellei Renata S. ) - Universidade de Sao Paulo School of Dentistry Stomatology Department
( Heguedusch Daniele ) - Universidade de Sao Paulo School of Dentistry Stomatology Department
( Domaneschi Carina ) - Universidade de Sao Paulo School of Dentistry Stomatology Department
( Costa Claudio ) - Universidade de Sao Paulo School of Dentistry Stomatology Department
( de Barros Gallo Camila ) - Universidade de Sao Paulo School of Dentistry Stomatology Department
Abstract
Tooth extraction after head and neck radiotherapy exposes patients to an increased risk for osteoradionecrosis of the jaw. This study reports the results of a radiographic analysis of bone neoformation after tooth extraction in a case series of patients who underwent radiation therapy. No patients developed osteoradionecrosis within a follow-up of 1 year. Complete mucosal repair was observed 30 days after surgery, while no sign of bone formation was observed 2 months after the dental extractions. Pixel intensity and fractal dimension image analyses only showed significant bone formation 12 months after the tooth extractions. These surgical procedures must follow a strict protocol that includes antibiotic prophylaxis and therapy and complete wound closure, since bone formation at the alveolar socket occurs at a slower pace in patients who have undergone head and neck radiotherapy.
키워드
Radiography, Dental; Radiotherapy; Tooth Extraction; Osteoradionecrosis
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