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KMID : 1024020210510030323
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Imaging Science in Dentistry
2021 Volume.51 No. 3 p.323 ~ p.328
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Radiographic analysis of the management of tooth extractions in head and neck-irradiated patients: a case series
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Oliveira Samanta V.
Vellei Renata S.
Heguedusch Daniele
Domaneschi Carina
Costa Claudio
de Barros Gallo Camila
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Abstract
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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.
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KEYWORD
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Radiography, Dental, Radiotherapy, Tooth Extraction, Osteoradionecrosis
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