Abstract
Endosteal implants were inserted into grafted alveoli after particulate cancellous bone and marrow grafting in seven patients with cleft lip or palate in conjunction with simultaneous chin bone onlay grafting. In these patients, the alveolar bone height of the bony bridge was insufficient when evaluated by both computed tomographic and periapical radiographic images. The age at first implant surgery ranged from 14 to 28 years. Although four of the seven patients had an uneventful course, three had wound dehiscence, and in all but one of them the exposed chin bone underwent partial or total necrosis. Ultimately all seven implants integrated into the bone, and the alveolar bone height was increased in all but one patient. The results indicate that chin bone onlay grafting with simultaneous implant insertion is useful in patients with cleft lip or palate with insufficient alveolar bone height.
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