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Titolo:
EFFECTS OF RADIATION ON THE USE OF HYDROXYAPATITE FOR ORBITAL RECONSTRUCTION IN THE RABBIT
Autore:
MARTIN RT; NUNERY WR; BONNIN JM; RATE WR;
Indirizzi:
METHODIST HOSP INDIANA,DEPT OPHTHALMOL,1800 N CAPITOL AVE INDIANAPOLIS IN 46202
Titolo Testata:
Ophthalmic plastic and reconstructive surgery
fascicolo: 2, volume: 9, anno: 1993,
pagine: 105 - 111
SICI:
0740-9303(1993)9:2<105:EOROTU>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Keywords:
HYDROXYAPATITE; ORBITAL RECONSTRUCTION; RADIATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
NO
Recensione:
Indirizzi per estratti:
Citazione:
R.T. Martin et al., "EFFECTS OF RADIATION ON THE USE OF HYDROXYAPATITE FOR ORBITAL RECONSTRUCTION IN THE RABBIT", Ophthalmic plastic and reconstructive surgery, 9(2), 1993, pp. 105-111

Abstract

The gross and histopathologic effects of external beam radiation on host response to subperiosteal implantation of dense hydroxyapatite (HA) blocks along the superior orbital TiM Was investigated, using the rabbit as an experimental model. Three study groups were employed: thosewith no radiation, those receiving 500 cGy, and those receiving 1,500cGy. The hydroxyapatite blocks were surgically implanted 2 weeks after administration of the radiation. The pathologic specimens, includingthe HA block and the neighboring bone segment, were harvested and examined at either the fourth or 12th postsurgical week. There was essentially no inflammatory reaction stimulated by the implanted HA blocks, nor was there any evidence of abnormal bone remodeling in the underlying orbital rim segments. The most secure bonding between the HA block and bone was found in the specimens having received either 500 cGy or 1,500 cGy and harvested at 12 weeks. We conclude that HA serves as an acceptable bone graft substitute in areas previously treated with radiation. The various properties of HA are also reviewed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 06:43:12