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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 4, No. 12, 2005, pp. 685-688
Bioline Code: os05009
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 4, No. 12, 2005, pp. 685-688

 en Pulp chamber temperature changes during resin composite photoactivation
Luis Felipe Jochims Schneider Larissa Maria Assad Cavalcante Rubens Nisie Tango Simonides Consani Mário Alexandre Coelho Sinhoreti Lourenço Correr Sobrinho

Abstract

The aim of the present study was to verify if there is any difference in the pulp chamber temperature rise during the photo-activation of two resin composites with different viscosities. Eighteen extracted bovine incisors were divided into two groups (n=9) that were restored with two different resin composites – Filtek Z250 and Filtek Flow (3M/ESPE Dental Products, St Paul, MN 55144, USA). During the photo-activation, with a conventional halogen light curing unit (XL 2500, 3M/ESPE), a type-K thermocouple registered the temperature rise peak in the pulp chamber. The temperature rise data were submitted to Student-t test at 5% significance. The resin composite Filtek Flow shows statically higher mean temperature rise (p<0.05). We conclude that the resin composites with different viscosities produce different temperature changes during the photo-activation.

Keywords
resin composites, photo-activation, pulp chamber, temperature rise, dental materials

 
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