title: Histologic study of tissue response to implanted hydroxylapatite in two patients.
abstract: The tissue response to hydroxylapatite implants that had been used to augment deficient mandibular alveolar ridges was examined histologically in samples taken from two patients at five-months and one-year after implantation, respectively. New bone formation in the interparticular spaces was found in both cases. There was no evidence of foreign body response around the subperiosteal implanted particles.
mesh_terms: D000368:Aged; D000539:Alveolar Process / Q000033:anatomy & histology*; D000540:Alveolar Ridge Augmentation; D001862:Bone Resorption / Q000517:prevention & control; D017886:Durapatite; D006801:Humans; D006882:Hydroxyapatites; D008297:Male; D008334:Mandible / Q000033:anatomy & histology / Q000601:surgery; D008875:Middle Aged; D013516:Oral Surgical Procedures, Preprosthetic; D010012:Osteogenesis; D019736:Prostheses and Implants
chemical_list: D006882:Hydroxyapatites; D017886:Durapatite