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Pretratamiento y mejoría de la fuerza de unión de los cementos autoadhesivos de resina a los postes / Pretreatment and improvement of bonding strength of self-adhesive resin cements to posts
Calixto, Luis Rafael; Rodrigues Tonetto, Mateus; Coelho Bandéca, Matheus; Fernandez, Eduardo; Chaple Gil, Alain Manuel; Alves de Campos, Edson; Ferrarezi de Andrade, Marcelo.
  • Calixto, Luis Rafael; University Estadual Paulista. Araraquara Dental School. Araraquara-SP. BR
  • Rodrigues Tonetto, Mateus; Cuiabá University. School of Dentistry. Cuiabá-MT. BR
  • Coelho Bandéca, Matheus; Maranhão University Center. School of Dentistry. São Luis, MA. BR
  • Fernandez, Eduardo; University of Chile. School of Dentistry. Autonomous University of Chile. Santiago de Chile. CL
  • Chaple Gil, Alain Manuel; University of Medical Sciences of Havana. Faculty of Medical Sciences "Victoria de Girón". Havana. CU
  • Alves de Campos, Edson; University Estadual Paulista. Araraquara Dental School. Araraquara-SP. BR
  • Ferrarezi de Andrade, Marcelo; University Estadual Paulista. Araraquara Dental School. Universidad Politécnica y Artística del Paraguay. Araraquara-SP. BR
Rev. cuba. estomatol ; 56(3): e1989, jul.-set. 2019. tab
Article in English | LILACS | ID: biblio-1093228
ABSTRACT
ABSTRACT

Introduction:

Posts and core are frequently used in endodontically treated teeth with excessive loss of coronal tooth structure.

Objective:

To evaluate the effectiveness of self-adhesive cements under different pre-treatments of dentin in the resistance to extrusion of fiberglass posts.

Methods:

An experimental in vitro study was conducted. The randomly selected sample was 56 extracted bovine incisors with mature apices and without root curvature. Before the cementing procedure, pretreatment of dentin was performed with 11.5 percent polyacrylic acid, 17 percent EDTA or sodium hypochlorite. The type of failure between the post/cement/dentin was evaluated by stereomicroscope. Two hundred and sixteen bovine dentin discs were used. The disks were approximately 1 mm thick, and were obtained from 72 bovine roots restored with intraradicular retentions. Data were analyzed for better comprehension in an SPSS database for Windows version 15.

Results:

The highest values were found in groups G3, G4 and G5, and there was no bond strength significant difference in group G2.

Conclusions:

The pre-treatment had no effect on dentin bond strength, and the self-adhesive cement RelyX U100 appears to be a viable option in the cementation of fiber posts(AU)
RESUMEN
RESUMEN

Introducción:

Los postes y el núcleo se utilizan con frecuencia en los dientes tratados endodónticamente con una pérdida excesiva de la estructura dental coronal.

Objetivo:

Evaluar la efectividad de los cementos autoadhesivos bajo diferentes pretratamientos de dentina en la resistencia a la extrusión de postes de fibra de vidrio.

Métodos:

Se realizó una investigación experimental in vitro en 56 dientes de ganado seleccionados al azar con cierre apical maduro y sin curvaturas radiculares. Antes del procedimiento de cementación, se llevó a cabo el pretratamiento de la dentina con 11,5 por ciento de ácido poliacrílico, 17 por ciento de EDTA o hipoclorito de sodio. El estereomicroscopio evaluó el tipo de falla entre el poste / cemento / dentina. Se usaron 216 discos de dentina bovina. Los discos tenían aproximadamente 1 mm de espesor y se obtuvieron de 72 raíces bovinas restauradas con retenciones intrarradiculares. Los datos se analizaron para una mejor comprensión en una base de datos de SPSS para Windows versión 15.

Resultados:

Los valores más elevados fueron encontrados en los grupos G3, G4 y G5 y no fue significativa la prueba de resistencia en el grupo G2.

Conclusiones:

El pretratamiento no tuvo efecto sobre la fuerza de unión dentinaria, y el cemento autoadhesivo RelyX U100 parece ser una opción viable en la cementación postes de fibra(AU)
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Tooth, Nonvital / Resin Cements / Flexural Strength Limits: Humans Language: English Journal: Rev. cuba. estomatol Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: Brazil / Chile / Cuba Institution/Affiliation country: Cuiabá University/BR / Maranhão University Center/BR / University Estadual Paulista/BR / University of Chile/CL / University of Medical Sciences of Havana/CU

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LIS

Full text: Available Index: LILACS (Americas) Main subject: Tooth, Nonvital / Resin Cements / Flexural Strength Limits: Humans Language: English Journal: Rev. cuba. estomatol Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: Brazil / Chile / Cuba Institution/Affiliation country: Cuiabá University/BR / Maranhão University Center/BR / University Estadual Paulista/BR / University of Chile/CL / University of Medical Sciences of Havana/CU