61 QOL related to mastication in maxillectomy patients 4 A B C Figure 1 - A patient presented with a Brown class IId defect [21] after avascular necrosis after Le Fort I osteotomy. (a) Bar construction was made on the dental implants to support the obturator, where the space was too large between two implants, magnet abutments were used as alternative retention method. (b) Retentive parts in the obturator prosthesis.(c) Panoramic radiography showed the position of dental implants in remaining bony parts of the midface or skull base.
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