Influence Of Different Load Application Devices On Fracture Resistance Of Restored Premolars

dc.creatorda Silva G.R.
dc.creatorda Silva N.R.
dc.creatorSoares P.V.
dc.creatorCosta A.R.
dc.creatorFernandes-Neto A.J.
dc.creatorSoares C.J.
dc.date2012
dc.date2015-06-26T20:29:09Z
dc.date2015-11-26T14:25:29Z
dc.date2015-06-26T20:29:09Z
dc.date2015-11-26T14:25:29Z
dc.date.accessioned2018-03-28T21:27:59Z
dc.date.available2018-03-28T21:27:59Z
dc.identifier
dc.identifierBrazilian Dental Journal. , v. 23, n. 5, p. 484 - 489, 2012.
dc.identifier1036440
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84872375475&partnerID=40&md5=202b7b81c0fea7f5832c83a4adaf1f0b
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/96905
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/96905
dc.identifier2-s2.0-84872375475
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1245734
dc.descriptionThis in vitro study analyzed the effect of different load application devices on fracture resistance and failure mode of maxillary premolars restored with composite resin. Sixty human maxillary premolars received standardized mesio-occluso-distal cavity preparations and were restored with composite resin. The specimens were randomly divided into 6 groups (n=10). Compressive loading was applied using 6 different metallic devices: S2: 2-mm sphere; S6: 6-mm sphere; C2: 2-mm cylinder; C6: 6-mm cylinder; WS: wedge shape device; and MAT: individualized metallic antagonist tooth. Data were analyzed statistically using one-way ANOVA and Tukey's test (α=0.05). The failure mode was recorded based on the 4 sequential levels. Statistical analysis revealed that WS presented significantly higher fracture resistance than S6 and C6. No significant difference was found among MAT, C2, S2 and S6. Sphere and cylinder with 6 mm were similar, with the lowest values of all groups. MAT presented the least number of catastrophic failures while C2, S2 and WS presented the highest. The type of load application device influences significantly the behavior of the teeth-restoration complex during mechanical fracture resistance test.
dc.description23
dc.description5
dc.description484
dc.description489
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dc.languageen
dc.publisher
dc.relationBrazilian Dental Journal
dc.rightsaberto
dc.sourceScopus
dc.titleInfluence Of Different Load Application Devices On Fracture Resistance Of Restored Premolars
dc.typeArtículos de revistas


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