“…El patrón de acrílico se revistió con yeso de revestimiento de fosfato y la aleación utilizada fue no preciosa tipo III (NPG ® ). Los colados se retiraron del cilindro, se refinaron y se limpiaron con baño de arenado con óxido de aluminio de 50 ìm y presión de 2,8 kg/cm² (16,17).…”
“…Los dientes restaurados con poste prefabricados de fibra de carbono son los que presentan menor resistencia al stress frente a carga trasnversal en comparación a los otros postes (16). En estudios clíni-cos se observaron el comportamiento de dientes restaurados con postes de fibra encontrando un índice de fracasos de 2-3,2%, siendo válida esta técnica como alternativa de uso clínico (24,28).…”
“…El patrón de acrílico se revistió con yeso de revestimiento de fosfato y la aleación utilizada fue no preciosa tipo III (NPG ® ). Los colados se retiraron del cilindro, se refinaron y se limpiaron con baño de arenado con óxido de aluminio de 50 ìm y presión de 2,8 kg/cm² (16,17).…”
“…Los dientes restaurados con poste prefabricados de fibra de carbono son los que presentan menor resistencia al stress frente a carga trasnversal en comparación a los otros postes (16). En estudios clíni-cos se observaron el comportamiento de dientes restaurados con postes de fibra encontrando un índice de fracasos de 2-3,2%, siendo válida esta técnica como alternativa de uso clínico (24,28).…”
“…The recently developed fiber post has similar biomechanical properties to dentine [25]. The main purpose of the post is to retain the core in case of extensive loss of coronal tooth structure [22].…”
The aim of this study was static and fatigue test investigation of the strength of a tooth fragment reattached with adhesives to the tooth body. Central bovine incisor teeth were used, and standardized fragments were obtained by cutting the incisal edge of the selected teeth. All the fragments were reattached using a multistep dentine adhesive system, and the specimens were randomly divided into two groups (A and B). Group B specimens underwent a further dental treatment: a circumferential double chamfer prepared around the external cut interface was filled with light cured composite restorative resin. Static and fatigue bending tests were performed and linear elastic equations were used to analyze and compare the strength of the treated teeth. The results indicated that the static and fatigue bending properties were improved by using reinforcement with composite restorative resin.
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