Evaluación de una microfiltración inducida por el fluído dentario sobre dos sistemas adhesivos.
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Fecha
2013
Autores
Profesor/a Guía
Facultad/escuela
Idioma
es
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Universidad Andrés Bello
Nombre de Curso
Licencia CC
Licencia CC
Resumen
Según la Encuesta Nacional de calidad de Vida, publicada por Minsal (año 2006),
se estima que la población menor de 20 años presenta un índice COPO de 3.4.
Ante tal número de lesiones de caries, las resinas compuestas son el material
predilecto para operatoria dental, tanto por sus propiedades estéticas como por
permitir conservar mayor cantidad de remanente biológico.
Las resinas compuestas necesitan de los Adhesivos dentales para poder unirse al
sustrato dental.
En algunas fuentes bibliográficas, se mencionan estudios sobre la influencia que
tendría el fluido dentinario sobre la fuerza de unión de diferentes sistemas
adhesivos, tal como lo demuestran Moll y Miller en su publicación del año 2000. Sin
embargo, ninguno cuantifica el grado de microfiltración que se genera.
Correr-Sobrinho, Coelho y Cols (año 2011), describen un método de simulación de
la presión intrapulpar ejercida en un diente vital, la cual, por consenso, es de 20 cm
H20.
La publicación describe y menciona la importancia de la evaluación de este factor de
estrés sobre las restauraciones directas e indirectas a base de técnica adhesiva,
usadas en la rehabilitación de dientes vitales.
Dental adhesives are biomaterials that enhance strengthforce of composites over dental surface. Dentina fluid is a sub product of blood plasma which flows from dental pulp to enamel dentin border. The aim of this investigation was watch and compare microleakeage induce of dentina! fluid over to adhesive systems: self-etching and etch-and-rinse systems. There was chosen 45 healthy premolar tooth and divided in 3 experimental groups, with 15 each one and using a simple aleatory system and named with letters A, B and C. Previously, every teeth was cut to a cavity class I over its oclusal tace with a deep of 3mm. Group A was trait with a self-etch adhesive system over all cavity. Group B was trait with an etch-and-rinse adhesive system over all cavity. And group C was trait with a self-etch system on enamel and with an etch-and-rinse system on dentin. Then every tooth was restored to a microhibrid composite. AII samples were connected to a pulp pressure simulation bomb, one for every experimental group for 24 hours. Under Fisher's exact analysis system, we can conclude that microleakeage observe over every experimental sample didn't show a significant statistic diferents.
Dental adhesives are biomaterials that enhance strengthforce of composites over dental surface. Dentina fluid is a sub product of blood plasma which flows from dental pulp to enamel dentin border. The aim of this investigation was watch and compare microleakeage induce of dentina! fluid over to adhesive systems: self-etching and etch-and-rinse systems. There was chosen 45 healthy premolar tooth and divided in 3 experimental groups, with 15 each one and using a simple aleatory system and named with letters A, B and C. Previously, every teeth was cut to a cavity class I over its oclusal tace with a deep of 3mm. Group A was trait with a self-etch adhesive system over all cavity. Group B was trait with an etch-and-rinse adhesive system over all cavity. And group C was trait with a self-etch system on enamel and with an etch-and-rinse system on dentin. Then every tooth was restored to a microhibrid composite. AII samples were connected to a pulp pressure simulation bomb, one for every experimental group for 24 hours. Under Fisher's exact analysis system, we can conclude that microleakeage observe over every experimental sample didn't show a significant statistic diferents.
Notas
Tesis (Odontología)
Palabras clave
Materiales Dentales, Filtración, Resinas compuestas, Calidad de vida, Técnica adhesiva