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Single photon emission computerized tomography and histological evaluation in the validation of a new technique for closure of oro-antral communication: an experimental study in pigs / Tomografía computarizada mediante emisión de fotones simples y evaluación histológica en la validación de una nueva técnica para el cierre de la comunicación oroantral: un estudio experimental en cerdos
Ogunsalu, CO; Rohrer, M; Persad, Hari; Archibald, A; Watkins, J; Daisley, H; Ezeokoli, C; Adogwa, A; Legall, C; Khan, O.
  • Ogunsalu, CO; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Rohrer, M; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Persad, Hari; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Archibald, A; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Watkins, J; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Daisley, H; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Ezeokoli, C; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Adogwa, A; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Legall, C; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
  • Khan, O; The University of the West Indies. Faculty of Medical Sciences. St Augustine. TT
West Indian med. j ; 57(2): 166-172, Mar. 2008. ilus, graf, tab
Article in English | LILACS | ID: lil-672327
ABSTRACT
Various bone regeneration techniques have evolved recently but controversies regarding vascularization and integration of such bone grafting techniques have led occasionally to animal experiment to validate such techniques. The objective of this study was to evaluate the evidence of vascularization and osseo-integration of a new bone regeneration technique utilized for the closure of oro-antral communication (OAC) by an experimental model in which Single Photon Emission computerized Tomography and histological studies were conducted in pigs. We conclude that the sandwich technique used for the closure of OAC results in a vascularized new bone formation which eventually osseo-integrate with the surrounding bone. Also, this experimental study confirmed that autogeneous bone graft was superior to xenografts when used within the sandwich unit.
RESUMEN
Varias técnicas de regeneración de huesos han sido desarrolladas recientemente, pero las controversias con respecto a la vascularización e integración de tales técnicas de injerto de hueso han llevado de vez en cuando a la experimentación con animales, a fin de validar estas técnicas. El objetivo de este estudio fue evaluar la evidencia de vascularización e integración ósea de una nueva técnica de regeneración de hueso utilizada para el cierre de la comunicación oro-antral (COA), mediante un modelo experimental en el que se practicó la tomografía computarizada mediante emisión de fotones simples y se realizaron estudios histológicos en cerdos. Concluimos que la técnica de sándwich usada para el cierre de COA da lugar a una formación ósea vascularizada que acaba produciendo una oseointegración con el hueso circundante. Asimismo, este estudio experimental confirmó que el injerto óseo antólogo es superior a los xenoinjertos cuando se usa dentro de la unidad de sándwich.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Periosteum / Bone Transplantation / Oroantral Fistula / Guided Tissue Regeneration, Periodontal Limits: Animals Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2008 Type: Article Affiliation country: Trinidad and Tobago Institution/Affiliation country: The University of the West Indies/TT

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Full text: Available Index: LILACS (Americas) Main subject: Periosteum / Bone Transplantation / Oroantral Fistula / Guided Tissue Regeneration, Periodontal Limits: Animals Language: English Journal: West Indian med. j Journal subject: Medicine Year: 2008 Type: Article Affiliation country: Trinidad and Tobago Institution/Affiliation country: The University of the West Indies/TT