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Comparison of metal wire reinforcement and glass fiber reinforcement in repaired maxillary complete denture / 대한치과보철학회지
The Journal of Korean Academy of Prosthodontics ; : 284-291, 2013.
Artículo en Coreano | WPRIM | ID: wpr-97074
ABSTRACT

PURPOSE:

This study compared fracture strength and fracture modes between metal wire reinforcement and glass fiber reinforcement in repaired maxillary complete denture. MATERIALS AND

METHODS:

In this study, fracture was reproduced on center of maxillary complete dentures and the denture was repaired with auto-polymerizing resin. The experimental groups (n = 10) were subjected to the following condition without reinforcing material (control group), reinforcing with metal wire (W group), reinforcing with glass fiber pre-impregnated with light-curing resin (SES MESH, INNO Dental Co., Yeoncheon, Korea, G group). The fracture strength and fracture modes of a maxillary complete denture were tested using Instron test machine (Instron Co., Canton, MA, USA) at a 5.0 mm/min crosshead speed. The flexure load was applied to center of denture with a 20 mm diameter ball attachment. When fracture occurred, the fracture mode was classified based on fracture lines. The Kruskal-wallis test and the Mann-whitney U test were performed to identify statistical differences at alpha=.05.

RESULTS:

W group showed the highest value of fracture strength, there was no significant difference (P>.05) between control group and G group. Control group and W group showed anteroposterior fracture mainly, group W showed adhesive fracture of denture base and reinforcing material.

CONCLUSION:

In limitation of this study, the glass fiber did not improve the fracture strength of repaired maxillary complete denture, and adhesive failure was occurred along the lines of glass fiber.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Adhesivos / Dentaduras / Reparación de la Dentadura / Bases para Dentadura / Dentadura Completa / Vidrio / Corea (Geográfico) País/Región como asunto: Asia Idioma: Coreano Revista: The Journal of Korean Academy of Prosthodontics Año: 2013 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Adhesivos / Dentaduras / Reparación de la Dentadura / Bases para Dentadura / Dentadura Completa / Vidrio / Corea (Geográfico) País/Región como asunto: Asia Idioma: Coreano Revista: The Journal of Korean Academy of Prosthodontics Año: 2013 Tipo del documento: Artículo