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Fig. 2 | Trials

Fig. 2

From: HOPON (Hyperbaric Oxygen for the Prevention of Osteoradionecrosis): a randomised controlled trial of hyperbaric oxygen to prevent osteoradionecrosis of the irradiated mandible: study protocol for a randomised controlled trial

Fig. 2

Criteria for diagnosis of osteoradionecrosis (ORN) in the Hyperbaric Oxygen for the Prevention of Osteoradionecrosis (HOPON) trial [24]. ORN, further classified [23]: Notani 1: ORN confined to alveolar bone. Notani 2: limited to the alveolar bone and/or above the level of the inferior alveolar canal. Notani 3: ORN under the lower part of the inferior alveolar canal, with fistula or bone fracture

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