title: [Carbon/carbon implants in oral and maxillofacial surgery--Part 2].
abstract: In their previous report, the authors presented observations regarding the long-term application of carbon/carbon implants. After evaluating the good functional and aesthetic results, the effect of the human body on the structure and morphology of the implants was investigated with state of the art methods. An implant retrieved from the body after eight years was compared to implants which were sterilized but not implanted (reference). Carbon and oxygen were the main components of both implants, however, as a result of the interaction with the human body the amount of oxygen increased 3-4 times and phosphorus, sulphur, calcium and iron were detectable as trace elements on the surface. The width of the carbon fibres (5-7 µm) building up the implants was not changed during the interaction with the human body. The surface of the implant retrieved from the human body was covered with a 15-17 µm thick layer, not present on the reference implant, having a similar composition to that of the carbon fibres (high amount of calcium that is typical to bone tissue was not detected). According to these results, the structure and the morphology of the implants were not altered notably by the human body.
authors.affiliation: Budapesti Műszaki és Gazdaságtudományi Egyetem, Atomfizika Tanszék, Budapest, Budafoki út 8., 1111. bsebok@eik.bme.hu
authors.forename: Béla
authors.initials: B
authors.lastname: Sebők
authors.forename: Gábor
authors.initials: G
authors.lastname: Kiss
authors.forename: Péter János
authors.initials: PJ
authors.lastname: Szabó
authors.forename: Dániel
authors.initials: D
authors.lastname: Rigler
authors.forename: László Milán
authors.initials: LM
authors.lastname: Molnár
authors.forename: Gábor
authors.initials: G
authors.lastname: Dobos
authors.forename: Ferenc
authors.initials: F
authors.lastname: Réti
authors.forename: Hajnal
authors.initials: H
authors.lastname: Szőcs
authors.forename: F Árpád
authors.initials: FÁ
authors.lastname: Joób
authors.forename: Kinga
authors.initials: K
authors.lastname: Körmöczi
authors.forename: György
authors.initials: G
authors.lastname: Szabó
mesh_terms: D001672:Biocompatible Materials; D002244:Carbon; D000077482:Carbon Fiber; D006801:Humans; D008334:Mandible / Q000601:surgery; D019647:Oral Surgical Procedures / Q000379:methods; D019736:Prostheses and Implants; D013499:Surface Properties; D013997:Time Factors
chemical_list: D001672:Biocompatible Materials; D000077482:Carbon Fiber; D002244:Carbon