Effect of light curing modes and light curing time on degree of conversion and leachability of uncured substances of bonding systems and composite resins

• Grant number: 07/02800-3
• Support Opportunities: Regular Research Grants
• Start date: November 01, 2007
• End date: April 30, 2010
• Field of knowledge: Health Sciences - Dentistry - Dental Clinics
• Principal Investigator: Flávio Henrique Baggio Aguiar
• Grantee: Flávio Henrique Baggio Aguiar
• Host Institution: Faculdade de Odontologia de Piracicaba (FOP). Universidade Estadual de Campinas (UNICAMP). Piracicaba , SP, Brazil

Abstract

The aim of this study will be to evaluate the degree of conversion and the leachability of uncured monomers of two bonding systems (1-AdheSE; 2-SingleBond) and two composite resins (1- 4 Seasons; 2- Filtek Supreme). They will be randomly divided into eight experimental group: four polymerization modes ( I- Halogen - 500mW/cm2; II- Halogen - 1100 mW/cm2; III- LED - 800 mW/cm2; IV- LED -1600 mW/cm2) and two light curing times (A- manufacturer"s recommended time: 20 s for composite resins and 10s for adhesives; B- time modified for each polymerization time achieve the same irradiance). To verify the leachability of uncured monomers, it will be used the high-performance liquid chromatography (HPLC) methodology. And to determine the degree of conversion, it will be used the Fourier Transform Infra-Red spectroscopy (FTIR). The results will be submitted to statistical analyses. (AU)

Scientific publications

(4)

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CATELAN, ANDERSON; AGUIAR JORDAO MAINARDI, MARIA DO CARMO; SOARES, GIULLIANA PANFIGLIO; DE LIMA, ADRIANO FONSECA; BOVI AMBROSANO, GLAUCIA MARIA; NUNES LEITE LIMA, DEBORA ALVES; MARCHI, GISELLE MARIA; BAGGIO AGUIAR, FLAVIO HENRIQUE. Effect of light curing protocol on degree of conversion of composites. ACTA ODONTOLOGICA SCANDINAVICA, v. 72, n. 8, p. 898-902, NOV 2014. (07/02800-3)

GAGLIANONE, LIVIA AGUILERA; LIMA, ADRIANO FONSECA; NAPOLEAO DE ARAUJO, LARISSA SGARBOSA; CAVALCANTI, ANDREA NOBREGA; MARCHI, GISELLE MARIA. Influence of different shades and LED irradiance on the degree of conversion of composite resins. Brazilian Oral Research, v. 26, n. 2, p. 165-169, MAR-APR 2012. (07/02800-3, 09/08992-7, 09/03661-2, 09/03763-0)

DUTRA BORGES, BONIEK CASTILLO; DE PINHO SILVA, PAULO ROGER; CATELAN, ANDERSON; BAGGIO AGUIAR, FLAVIO HENRIQUE. Influence of the Light Curing Tip Distance and Material Opacity on Selected Physical Properties of a Pit and Fissure Sealant. PEDIATRIC DENTISTRY, v. 33, n. 7, p. 505-509, NOV-DEC 2011. (07/02800-3)

BORGES, B. C. D.; SOUZA-JUNIOR, E. J.; BRANDT, W. C.; LOGUERCIO, A. D.; MONTES, M. A. J. R.; PUPPIN-RONTANI, R. M.; SINHORETI, M. A. C.. Degree of Conversion of Simplified Contemporary Adhesive Systems as Influenced by Extended Air-Activated or Passive Solvent Volatilization Modes. Operative Dentistry, v. 37, n. 3, p. 246-252, MAY-JUN 2012. (07/02800-3)