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Implant-prosthetic rehabilitation after radiation treatment in head and neck cancer patients: a case-series report of outcome

hypovascular environment which impedes wound healing and creates a risk for osteoradionecrosis. 4 A protocol involving hyperbaric oxygen treatment (HBO) has been proposed to enhance wound healing by increasing the tissue oxygenation. 5 Following the radical procedures to eradicate cancer, the greatest problems perceived by irradiated patients are swallowing, mouth opening, xerostomia and compromised aeshetics. 6 Prosthodontic treatment is advocated to regain lost oral functions, enhance the physical appearance and enable the patient to take part in normal daily

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A proposal for a quality control protocol in breast CT with synchrotron radiation

( A ) QC phantom fixed at the breast position on the patient support. The upper portion is uniformly filled with water, while the radiographic details are visible in the lower portion. ( B ) Arrangement of the details at the bottom of the QC phantom. The rods are made of polyethylene (PE), nylon, polyoxymethylene (POM), polytetrafluoroethylene (PTFE), and BR12, a plastic material mimicking the attenuation properties of breast tissue. The structure of the low contrast PMMA insert, exhibiting the five holes of varying diameter, is clearly perceivable

Open access