Bruno Carlini - Academia.edu (original) (raw)
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This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the su... more This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the surface morphology of aesthetically restored teeth. Specimens of human enamel and micro-hybrid composite resin were randomly adhered to the buccal side of right premolar and molar teeth of ten volunteers, who underwent a routine home-bleaching procedure with 16% carbamide peroxide on the upper jaw for 8 days. The mandibular unbleached specimens served as paired controls (n=10). Ultra-structural assessment of the sample was carried out by scanning electron microscopy, and the resulting images were blindly evaluated for topographical alterations. The differences between groups were calculated with the Mann-Whitney test adjusted at the 95% confidence interval. The bleached enamel presented significantly more morphological changes than the control group. The aspect of resin composite exposed to the whitening substance was statistically similar to that observed in the corresponding control grou...
European journal of dentistry, 2011
This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the su... more This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the surface morphology of aesthetically restored teeth. Specimens of human enamel and micro-hybrid composite resin were randomly adhered to the buccal side of right premolar and molar teeth of ten volunteers, who underwent a routine home-bleaching procedure with 16% carbamide peroxide on the upper jaw for 8 days. The mandibular unbleached specimens served as paired controls (n=10). Ultra-structural assessment of the sample was carried out by scanning electron microscopy, and the resulting images were blindly evaluated for topographical alterations. The differences between groups were calculated with the Mann-Whitney test adjusted at the 95% confidence interval. The bleached enamel presented significantly more morphological changes than the control group. The aspect of resin composite exposed to the whitening substance was statistically similar to that observed in the corresponding control grou...
O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida ... more O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida fotopolimerizável submetida a três métodos de pós-polimerização. Foram confeccionadas 40 barras de resina A2, seguindo as especificações da ISO 4049, fotopolimerizadas por 40 segundos e em seguida divididas em PALAvRAS-ChAve: Resistência flexural. Pós-polimerização. Resina composta. quatro grupos: G1 -controle negativo, que não recebeu pós-polimerização; G2 -controle positivo, polimerizadora laboratorial EDG Lux -luz e calor (7 minutos; 600mW/cm 2 ); G3 -ciclo de autoclave -calor e pressão (25 minutos; T=138 0 C; P=2,58bar); G4 -ciclo em microondas -calor (3 minutos/1800 Watts). O teste de resistência flexural foi realizado em máquina de en-* Acadêmico do curso de Odontologia da FOUPF.
Estética
O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida ... more O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida fotopolimerizável submetida a três métodos de pós-polimerização. Foram confeccionadas 40 barras de resina A2, seguindo as especificações da ISO 4049, fotopolimerizadas por 40 segundos e em seguida divididas em PALAvRAS-ChAve: Resistência flexural. Pós-polimerização. Resina composta. quatro grupos: G1 -controle negativo, que não recebeu pós-polimerização; G2 -controle positivo, polimerizadora laboratorial EDG Lux -luz e calor (7 minutos; 600mW/cm 2 ); G3 -ciclo de autoclave -calor e pressão (25 minutos; T=138 0 C; P=2,58bar); G4 -ciclo em microondas -calor (3 minutos/1800 Watts). O teste de resistência flexural foi realizado em máquina de en-* Acadêmico do curso de Odontologia da FOUPF.
The journal of contemporary dental practice, 2009
The purpose of this study was to evaluate if Knoop hardness values (KHN) for top and bottom surfa... more The purpose of this study was to evaluate if Knoop hardness values (KHN) for top and bottom surfaces of resin composite materials can reach a plateau within a clinically acceptable photoactivation time. Four light-curing units (LCUs) were evaluated in this study (n=5): QTH (Optilux501: 550 mW/cm2) and LEDs (FreeLight2: 1100 mW/cm2; UltraLume5: 900 mW/cm2; and Radii: 750 mW/cm2). Composite resin discs (4 mm x 2 mm) of Heliomolar (Ivoclar/Vivadent) and Herculite XRV (Kerr) were tested using five photoactivation times (20, 40, 60, 80, and 100 seconds). KHN were obtained for each test specimen and comparisons between LCUs, depths, and photoactivation times were analyzed using two-way analysis of variance (ANOVA) and polynomial regression analysis. Data for Heliomolar discs using linear regression found a relationship between the independent variables KHN and time with the Optilux501 at the top and bottom surfaces (r2=0.68/ r2=0.66). Radii presented a linear regression at the top surface...
This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the su... more This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the surface morphology of aesthetically restored teeth. Specimens of human enamel and micro-hybrid composite resin were randomly adhered to the buccal side of right premolar and molar teeth of ten volunteers, who underwent a routine home-bleaching procedure with 16% carbamide peroxide on the upper jaw for 8 days. The mandibular unbleached specimens served as paired controls (n=10). Ultra-structural assessment of the sample was carried out by scanning electron microscopy, and the resulting images were blindly evaluated for topographical alterations. The differences between groups were calculated with the Mann-Whitney test adjusted at the 95% confidence interval. The bleached enamel presented significantly more morphological changes than the control group. The aspect of resin composite exposed to the whitening substance was statistically similar to that observed in the corresponding control grou...
European journal of dentistry, 2011
This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the su... more This clinical study evaluated the effects of a highly concentrated home-bleaching agent on the surface morphology of aesthetically restored teeth. Specimens of human enamel and micro-hybrid composite resin were randomly adhered to the buccal side of right premolar and molar teeth of ten volunteers, who underwent a routine home-bleaching procedure with 16% carbamide peroxide on the upper jaw for 8 days. The mandibular unbleached specimens served as paired controls (n=10). Ultra-structural assessment of the sample was carried out by scanning electron microscopy, and the resulting images were blindly evaluated for topographical alterations. The differences between groups were calculated with the Mann-Whitney test adjusted at the 95% confidence interval. The bleached enamel presented significantly more morphological changes than the control group. The aspect of resin composite exposed to the whitening substance was statistically similar to that observed in the corresponding control grou...
O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida ... more O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida fotopolimerizável submetida a três métodos de pós-polimerização. Foram confeccionadas 40 barras de resina A2, seguindo as especificações da ISO 4049, fotopolimerizadas por 40 segundos e em seguida divididas em PALAvRAS-ChAve: Resistência flexural. Pós-polimerização. Resina composta. quatro grupos: G1 -controle negativo, que não recebeu pós-polimerização; G2 -controle positivo, polimerizadora laboratorial EDG Lux -luz e calor (7 minutos; 600mW/cm 2 ); G3 -ciclo de autoclave -calor e pressão (25 minutos; T=138 0 C; P=2,58bar); G4 -ciclo em microondas -calor (3 minutos/1800 Watts). O teste de resistência flexural foi realizado em máquina de en-* Acadêmico do curso de Odontologia da FOUPF.
Estética
O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida ... more O objetivo desse trabalho foi avaliar a resistência à flexão de uma resina composta microhíbrida fotopolimerizável submetida a três métodos de pós-polimerização. Foram confeccionadas 40 barras de resina A2, seguindo as especificações da ISO 4049, fotopolimerizadas por 40 segundos e em seguida divididas em PALAvRAS-ChAve: Resistência flexural. Pós-polimerização. Resina composta. quatro grupos: G1 -controle negativo, que não recebeu pós-polimerização; G2 -controle positivo, polimerizadora laboratorial EDG Lux -luz e calor (7 minutos; 600mW/cm 2 ); G3 -ciclo de autoclave -calor e pressão (25 minutos; T=138 0 C; P=2,58bar); G4 -ciclo em microondas -calor (3 minutos/1800 Watts). O teste de resistência flexural foi realizado em máquina de en-* Acadêmico do curso de Odontologia da FOUPF.
The journal of contemporary dental practice, 2009
The purpose of this study was to evaluate if Knoop hardness values (KHN) for top and bottom surfa... more The purpose of this study was to evaluate if Knoop hardness values (KHN) for top and bottom surfaces of resin composite materials can reach a plateau within a clinically acceptable photoactivation time. Four light-curing units (LCUs) were evaluated in this study (n=5): QTH (Optilux501: 550 mW/cm2) and LEDs (FreeLight2: 1100 mW/cm2; UltraLume5: 900 mW/cm2; and Radii: 750 mW/cm2). Composite resin discs (4 mm x 2 mm) of Heliomolar (Ivoclar/Vivadent) and Herculite XRV (Kerr) were tested using five photoactivation times (20, 40, 60, 80, and 100 seconds). KHN were obtained for each test specimen and comparisons between LCUs, depths, and photoactivation times were analyzed using two-way analysis of variance (ANOVA) and polynomial regression analysis. Data for Heliomolar discs using linear regression found a relationship between the independent variables KHN and time with the Optilux501 at the top and bottom surfaces (r2=0.68/ r2=0.66). Radii presented a linear regression at the top surface...