Results: 129

Assessment of bulk-fill of resins microhardness longitudinal

Braz. j. oral sci; 23 (), 2024
Aim: This study aimed to assess the polymerization effectiveness of bulk-fill composite resins in longitudinal microhardness. Methods: Blocks of bulk-fill composite resin with thicknesses of 6 mm were analyzed with Vickers microhardness. The resin blocks were divided into two groups (n=6): resin AURA and...

Dental zirconia generations: a comparative study of translucency parameters and light transmittance across varying thicknesses

Braz. dent. sci; 27 (3), 2024
Objective: This in vitro study evaluated the translucency and polymerization light transmission of zirconia discs, produced from different generations of dental zirconia materials and with a consideration of varying thicknesses. Material and Methods: Disc-shaped specimens (0.5mm, 1.0mm, 1.5mm, 2.0mm, and...

Cementación de restauraciones indirectas
Cementation of indirect restorations

Gracias a la evolución y mejora de los sistemas adhesivos, así como al desarrollo de materiales y procedimientos técnicos, el enfoque actual de la odontología rehabilitadora ha cambiado. En relación con las posibilidades de procedimientos indirectos ha evolucionado hacia restauraciones con mejores p...

Effects of LED Lights on Bulk Fill Resin Polymerization

The present study analyzed the microhardness and degree of conversion of three Bulk Fill resins (M1 - Filtek Bulk Fill; M2 - Tetric N-Ceram Bulk Fill and M3 - Opus Bulk Fill) polymerized by single peak and polywave Light-emitting Diode Curing Lights. A total 90 test specimens (n=10) were obtained using a...

Color stability and degree of conversion of amine-free dual cured resin cement used with two different translucencies of lithium disilicate ceramics

Braz. dent. sci; 26 (2), 2023
Objective: The present study aims to evaluate the color stability and degree of conversion of amine-free dual cured resin cement compared to light cured and amine-containing dual cured resin cements used with two different translucencies of thin esthetic restorations. Material a...

Effect of Ozonated Water on the Color Stability of Denture Teeth and Heat Polymerized Acrylic Base Resin

Abstract Objective: To determine the effect of ozonated water on the color stability of denture tooth and denture bases. Material and Methods: Thirty denture base discs consisting of 15 Acropars and 15 ProBase Hot specimens with the dimensions of 40 × 5 mm were prepared. Fifteen denture teeth in shade...

Influence of medium-translucency monolithic zirconia thicknesses and light-curing time on the polymerization of dual-cure resin cements

Braz. j. oral sci; 22 (), 2023
Aim: To investigate and compare the effects of different thicknesses of medium-translucency monolithic zirconia and light curing times on the polymerization of two types of dual-cured resin cement. Methods: A total of 200 cement specimens were prepared from TheraCem and RelyX U200 cement. The specimens w...

Effect of low temperature and room temperature on the depth of cure of bulk-fill composite resins

Biosci. j. (Online); 39 (), 2023
The study analyzed the influence of temperature on the depth of cure of bulk-fill composite resins. Three discs (ISO 4049/2000) from each group were made, and four restorative materials were investigated: Opus Bulk-Fill Flow, Opus Bulk-Fill APS, Filtek™ One Bulk-Fill, and Filtek™ Bulk-Fill Flow. They...

Dual-cured adhesive system improves adhesive properties of dentin cavities restored with a bulk-fill resin composite

Braz. j. oral sci; 21 (), 2022
Aim: To evaluate the impact of a dual-cured adhesive system on the in situ degree of conversion (DC), bond strength (BS) and failure mode (FM) of adhesive interfaces in dentin cavities restored with a bulk-fill resin composite. Methods: 4-mm-deep dentin cavities with a 3.1 C-factor were created in 68 bov...

Assessment of influence of LED curing units used on microhardness of resin-modified glass ionomer sealants

Braz. j. oral sci; 21 (), 2022
Aim: Resin modified glass ionomer (RMGI) is class of material that can be used as sealant for preventing and arresting the progression of caries in pits and fissures. As these are hybrid materials, their properties can be affected by factors related to the polymerization process. ...