Publicado

2011-07-01

Modelo Experimental de la Respuesta Ósea a Xenoinjertos de Origen Bovino. Estudio Radiográfico e Histomorfométrico.

Experimental models of bone response to bovine xenograft radiographic and histomorphometric

Palabras clave:

Biomateriales, Sustitutos Oseos, Xenoinjertos, Histología, Radiografía digital (es)
Biomaterials, Bone substitutes, Xenografts, Histology, Digital Radiography (en)

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Autores/as

  • Rafael Arcesio Delgado Ruíz Universidad de Murcia - Facultad de Medicina y Odontología
  • José Luis Calvo Guirado Universidad de Murcia - Facultad de Medicina y Odontología
  • María Piedad Ramírez Fernández Universidad de Murcia - Facultad de Medicina y Odontología
  • José Eduardo Maté Sanchez del Val Universidad de Murcia - Facultad de Medicina y Odontología
  • Gerardo Goméz Moreno Universidad de Granada - Facultad de Medicina y Odontología
  • Javier Guardia Universidad de Granada - Facultad de Medicina y Odontología

Objetivos: Evaluar la respuesta ósea a injertos de origen bovino insertados en tibia de conejos mediante técnicas radiográficas e histomorfométricas. Materiales y Métodos: Estudio experimental en el que se emplearon veinte conejos de Nueva Zelanda con un peso entre 3900-4500 g. Veinte injertos de hueso bovino en polvo, con un tamaño de partícula de  500-1000 mm fueron insertados en defectos óseos de 4mm de diámetro en la metáfisis proximal de la tibia derecha, y veinte defectos con las mismas dimensiones fueron realizados como control  en la metáfisis proximal de la tibia izquierda. Los animales fueron sacrificados en grupos de cinco al cabo de 1, 2, 3, y 4 meses. Se tomaron  radiografías anteroposteriores y laterales. Las muestras fueron seccionadas y teñidas con hematoxilina-eosina y tricrómico de Masson. Resultados: Al cabo de 4 meses, las imágenes radiográficas mostraron la reparación completa de los defectos óseos sin alteraciones atribuibles a la presencia del injerto. El análisis histomorfométrico a los 4 meses mostró valores de 22.8±1.5% para el hueso nuevo, 39.4±2.3% para el material de injerto residual y 37.7±2.5% para el tejido conectivo no calcificado.  No hubo diferencias significativas en el cierre cortical con hueso bovino 98.8±1.1% comparado con los controles 99.1±0.7% al final del período de tiempo estudiado. Conclusiones: El biomaterial utilizado en este estudio mostro  ser biocompatible, osteoconductivo, poco reabsorbible y puede ser considerado como un sustituto óseo que no interfiere con el proceso normal de reparación del hueso.

 

Objective To carry out a radiological and histomorphometric evaluation of bone response to bovine bone implants inserted in rabbits’ tibiae. Methods Twenty New Zealand rabbits weighing 3900–4500 g were used. Twenty bovine bone implants (Endobons) in granulated form of 500–1000 mm granulometry were inserted in the proximal metaphyseal area of the animals’ right tibia and 20 control areas were located in the proximal metaphyseal area. Following implantation, the animals were sacrificed in four groups of five, after 1 month, 2 months, 3 months and 4 months, respectively. Anteroposterior and lateral radiographs were taken. Samples were sectioned at 5 mm and stained using Hematoxylin–Eosin and Masson’s trichromic. Results After 4 months, radiological images showed complete repair of the bone defects. No healed or residual bone alterations attributable to the presence of the implant were observed. Histomorphometric analysis at 4 months showed the presence of a higher density of newly formed bone with mean values for new bone, residual graft material and non-mineralized connective tissue of 22.8± 1.5%, 39.4±2.3% and 37.7±2.5%. There were no statistically significant differences in the length of cortical formation with bovine bone, 98.8± 1.1%, compared with the control group, 99.1 ± 0.7%, at the end of the study period.. Conclusions The biomaterial used in the study was shown to be biocompatible, osteoconductive and non-resorbable and as such a possible bone substitute that does not interfere with normal reparative bone processes.

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Cómo citar

APA

Delgado Ruíz, R. A., Calvo Guirado, J. L., Ramírez Fernández, M. P., Maté Sanchez del Val, J. E., Goméz Moreno, G. y Guardia, J. (2011). Modelo Experimental de la Respuesta Ósea a Xenoinjertos de Origen Bovino. Estudio Radiográfico e Histomorfométrico. Acta Odontológica Colombiana, 1(2), 11. https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463

ACM

[1]
Delgado Ruíz, R.A., Calvo Guirado, J.L., Ramírez Fernández, M.P., Maté Sanchez del Val, J.E., Goméz Moreno, G. y Guardia, J. 2011. Modelo Experimental de la Respuesta Ósea a Xenoinjertos de Origen Bovino. Estudio Radiográfico e Histomorfométrico. Acta Odontológica Colombiana. 1, 2 (jul. 2011), 11.

ACS

(1)
Delgado Ruíz, R. A.; Calvo Guirado, J. L.; Ramírez Fernández, M. P.; Maté Sanchez del Val, J. E.; Goméz Moreno, G.; Guardia, J. Modelo Experimental de la Respuesta Ósea a Xenoinjertos de Origen Bovino. Estudio Radiográfico e Histomorfométrico. Acta Odontol. Colomb. 2011, 1, 11.

ABNT

DELGADO RUÍZ, R. A.; CALVO GUIRADO, J. L.; RAMÍREZ FERNÁNDEZ, M. P.; MATÉ SANCHEZ DEL VAL, J. E.; GOMÉZ MORENO, G.; GUARDIA, J. Modelo Experimental de la Respuesta Ósea a Xenoinjertos de Origen Bovino. Estudio Radiográfico e Histomorfométrico. Acta Odontológica Colombiana, [S. l.], v. 1, n. 2, p. 11, 2011. Disponível em: https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463. Acesso em: 17 abr. 2024.

Chicago

Delgado Ruíz, Rafael Arcesio, José Luis Calvo Guirado, María Piedad Ramírez Fernández, José Eduardo Maté Sanchez del Val, Gerardo Goméz Moreno, y Javier Guardia. 2011. « Estudio Radiográfico e Histomorfométrico». Acta Odontológica Colombiana 1 (2):11. https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463.

Harvard

Delgado Ruíz, R. A., Calvo Guirado, J. L., Ramírez Fernández, M. P., Maté Sanchez del Val, J. E., Goméz Moreno, G. y Guardia, J. (2011) « Estudio Radiográfico e Histomorfométrico»., Acta Odontológica Colombiana, 1(2), p. 11. Disponible en: https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463 (Accedido: 17 abril 2024).

IEEE

[1]
R. A. Delgado Ruíz, J. L. Calvo Guirado, M. P. Ramírez Fernández, J. E. Maté Sanchez del Val, G. Goméz Moreno, y J. Guardia, « Estudio Radiográfico e Histomorfométrico»., Acta Odontol. Colomb., vol. 1, n.º 2, p. 11, jul. 2011.

MLA

Delgado Ruíz, R. A., J. L. Calvo Guirado, M. P. Ramírez Fernández, J. E. Maté Sanchez del Val, G. Goméz Moreno, y J. Guardia. « Estudio Radiográfico e Histomorfométrico». Acta Odontológica Colombiana, vol. 1, n.º 2, julio de 2011, p. 11, https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463.

Turabian

Delgado Ruíz, Rafael Arcesio, José Luis Calvo Guirado, María Piedad Ramírez Fernández, José Eduardo Maté Sanchez del Val, Gerardo Goméz Moreno, y Javier Guardia. « Estudio Radiográfico e Histomorfométrico». Acta Odontológica Colombiana 1, no. 2 (julio 1, 2011): 11. Accedido abril 17, 2024. https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463.

Vancouver

1.
Delgado Ruíz RA, Calvo Guirado JL, Ramírez Fernández MP, Maté Sanchez del Val JE, Goméz Moreno G, Guardia J. Modelo Experimental de la Respuesta Ósea a Xenoinjertos de Origen Bovino. Estudio Radiográfico e Histomorfométrico. Acta Odontol. Colomb. [Internet]. 1 de julio de 2011 [citado 17 de abril de 2024];1(2):11. Disponible en: https://revistas.unal.edu.co/index.php/actaodontocol/article/view/28463

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