Estudio comparativo de ajuste marginal en prótesis fija entre sistema CAD-CAM e inyectado
Date
2015-12
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Universidad Inca Garcilaso de la Vega
Abstract
El propósito del estudio se basó en la comparación in vitro del ajuste marginal en prótesis fija según material y método inyectado-disilicato de litio e CAD-CAM- zirconio.
La investigación fue descriptiva. Se trabajó 22 troqueles (incisivo central pieza 1.1) distribuidos en dos grupos de 11 troqueles respectivamente, en los cuales se realizaron cofias, caracterización-estratificación y cuyo producto final corona según las instrucciones del fabricante. Las mediciones se realizaron en cuatro puntos medios (vestibular, palatino y mesial, distal) mediante el estereomicroscopio digital (applied Vision 4). Los resultados muestran que el ajuste marginal en la confección de cofias la media proporcional es menor en el sistema CAD-CAM-zirconio, encontrándose diferencia significativa en todas las superficies. Durante la caracterización-estratificación los resultados muestran que en el sistema de zirconio-CAD-CAM se encontró que no existe diferencia significativa en el ajuste marginal. En consideración al ajuste marginal de cofias ya estratificadas (Coronas) no hay diferencia significativa entre ambos grupo y teniendo ambos la misma media proporcional.
The purpose of the study was based on in vitro comparison of marginal fit in fixed prosthesis according to material and method-injected lithium disilicate and zirconium CAD-CAM. The research was descriptive. 22 dies (central incisor part 1.1) divided into two groups of 11 dies respectively, which caps, characterization and whose crownstratification final product were performed according to the manufacturer's instructions worked. The measurements were made in four midpoints (vestibular, palatal, mesial and distal) by digital stereo microscope (Applied Vision 4). The results show that the marginal adjustment in the production of copings the median is lower in the CAD-CAM-zirconium system, finding significant difference on all surfaces. During characterization-stratification the results show that in the system zirconium-CAD-CAM was found that no significant difference in the marginal fit. In consideration of the marginal fit of copings and stratified (crowns) no significant difference between group and both having the same mean proportional.
The purpose of the study was based on in vitro comparison of marginal fit in fixed prosthesis according to material and method-injected lithium disilicate and zirconium CAD-CAM. The research was descriptive. 22 dies (central incisor part 1.1) divided into two groups of 11 dies respectively, which caps, characterization and whose crownstratification final product were performed according to the manufacturer's instructions worked. The measurements were made in four midpoints (vestibular, palatal, mesial and distal) by digital stereo microscope (Applied Vision 4). The results show that the marginal adjustment in the production of copings the median is lower in the CAD-CAM-zirconium system, finding significant difference on all surfaces. During characterization-stratification the results show that in the system zirconium-CAD-CAM was found that no significant difference in the marginal fit. In consideration of the marginal fit of copings and stratified (crowns) no significant difference between group and both having the same mean proportional.
Description
Keywords
Ajuste marginal, Prótesis fija, Inyectado, CAD-CAM, Marginal fit, Fixed prosthesis, Injected