Resistencia a la fractura de piezas dentarias restauradas con

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Dedicado a: María y Wilfredo, mis padres: por su inmenso amor, el apoyo incondicional por
su dedicación y las enseñanzas de la vida, para alcanzar mis metas sin las cuales no serían
posibles
A mis hermanos: Ylcio, Betty, Percy, Jorge, Wilson, Flor; por su amor y apoyo
Incondicional
A mi bebe Camila, por ser una fuente de amor e inspiración. A Nadia, que
con su cariño y apoyo en todo momento no dejaron que desfallezca en este estudio.
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Al Dr. CARLOS VILLAFANA MORI, por su guía y asesoría en el desarrollo de esta
investigación.
Al Dr. CARLOS CAMPODONICO REATEGUI, por su amistad y dedicación a sus
alumnos.
A la CD. LOURDES LARA TELLES, por su comprensión y disposición para apoyar a sus
alumnos.
A la Universidad Nacional Mayor de San Marcos por el honor de pertenecer a esta casa de
estudios.
A todos aquellos que de alguna manera contribuyeron en la realización de este estudio.
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Se realizó un estudio en vitro de piezas tratadas endodónticamente, restauradas con espigos
prefabricados de fibra de carbono (EFC), fibra de vidrio (EFV) y titanio (ET), sometidos a
fuerzas compresivas. En una muestra aleatoria de 30 piezas dentarias premolares, uniradiculares
con características similares de forma y tamaño.
Se realizó el respectivo tratamiento de conducto con la técnica de retroceso, luego se
procedió a la desobturación y a la restauración con EFC, EFV y ET, respectivamente en 3 grupos
de 10 piezas, las cuales se le sometieron a fuerzas compresivas verticales hasta el momento de la
fractura en una máquina universal de pruebas en Kg., a una velocidad de 2pulg/segundo.
Hallándose los siguientes resultados en piezas dentales restauradas con:
- EFC presentan una resistencia promedio de 207
- EFV presentan una resistencia promedio de 181
- ET presentan una resistencia promedio de 202
Concluyéndose que los EFC presentaron mejor resistencia a la compresión seguido por los
ET y los EFV, aunque las diferencias no fueron estadísticamente significativas a un 0,01 de
confianza.
Palabra clave: Espigos prefabricados.
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--5:8
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