2011
DOI: 10.4103/0970-9290.79992
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Flexural strength and hardness of resins for interim fixed partial dentures

Abstract: Group AHC, representing a heat-polymerizing resin, showed the highest flexural strength and hardness values as compared to auto-polymerizing resins and light-polymerizing resin.

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Cited by 30 publications
(33 citation statements)
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“…However, unlike in their study, a heat-polymerized Sr Ivocron material was used in the present study and showed the highest microhardness values for all materials in both the 24-h and seven-day measurements. This is in agreement with Jo et al (22), who also found that heat-polymerized acrylic interim materials showed the highest microhardness values. Although more laboratory and chair time is necessary to produce heat-polymerized materials, Jo et al recommended heat-polymerized interim materials for long-term provisionalization when there was a history of frequent breakage, long-span restorations were needed, in areas of heavy occlusal loads, and/or in cases of parafunction.…”
Section: Discussionsupporting
confidence: 93%
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“…However, unlike in their study, a heat-polymerized Sr Ivocron material was used in the present study and showed the highest microhardness values for all materials in both the 24-h and seven-day measurements. This is in agreement with Jo et al (22), who also found that heat-polymerized acrylic interim materials showed the highest microhardness values. Although more laboratory and chair time is necessary to produce heat-polymerized materials, Jo et al recommended heat-polymerized interim materials for long-term provisionalization when there was a history of frequent breakage, long-span restorations were needed, in areas of heavy occlusal loads, and/or in cases of parafunction.…”
Section: Discussionsupporting
confidence: 93%
“…Resistance increased because of the cross-linking of multifunctional monomers (such as Bis-GMA: bisphenol A glycidyl methacrylate or TEGDMA: triethylene glycol dimethacrylate;) with other monomers contained in the dimethacrylate resins. Auto-polymerized conventional methacrylate resins may exhibit lower wear resistance and microhardness because they contain mono-functional, low molecular weight, and linear molecular monomers (22,25).…”
Section: Discussionmentioning
confidence: 99%
“…T he rehabilitation of partially edentulous patients often requires a long-term provisional stage that makes it possible for the professional to foresee the success of the final restoration in its mechanical, aesthetic and functional aspects [1,2]. Provisional crowns work as a diagnostic device [3] and allow for the correction of the occlusal plane and vertical doi: 10.14295/bds.…”
Section: Introductionmentioning
confidence: 99%
“…Provisional crowns work as a diagnostic device [3] and allow for the correction of the occlusal plane and vertical doi: 10.14295/bds. 2013.v16i2.896 dimension [2], establishment of occlusal guidance and posterior occlusal contacts, evaluation and conditioning of the gingival tissues and prediction of the shape, size and color of the restauration [4].…”
Section: Introductionmentioning
confidence: 99%
“…Outro aspecto das resinas à base de bisacrilato de metila é a presença de carga em sua composição, fornecendo às mesmas características de materiais compósitos, o que tende a aprimorar suas propriedades mecânicas 10 . Entretanto, resinas de um mesmo grupo apresentam variações das propriedades em função do material, da quantidade, da geometria e do tamanho das partículas de carga, bem como em função das propriedades da matriz polimérica 11 .…”
Section: Introductionunclassified