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[Augmentation rhinoplasty with particulate hydroxy apatite artificial bone in 50 cases--a follow-up of 8 years].

To investigate the long term results of the particulate hydroxy apatite (HA) artificial bone in augmentation rhinoplasty, 50 patients were followed up for 8 years after the operation. The clinical study included the patient's self-evaluation and the surgeons' objective evaluation of the operation results, analysis of nasal radiographs for the position, shape of the HA implant and its relation with the nasal bone. The observations show that HA is stable and the long-term results of augmentation rhinoplasty with HA are very good. It is concluded that HA is a new, ideal, bioactive filling material for augmentation rhinoplasty.