Mechanical and optical properties of indirect veneering resin composites after different aging regimes

Stawarczyk, Bogna; Brauneis, Michael; Langwieder, Benedikt; Spintzyk, Sebastian; Eichberger, Marlis und Liebermann, Anja (2021): Mechanical and optical properties of indirect veneering resin composites after different aging regimes. In: Dental Materials Journal, Vol. 40, No. 2: pp. 279-287

Abstract

This study tested and compared properties of six modern indirect veneering resin composites (VRC), namely Ceramage (Shofu), dialog Vario (Schutz Dental), Gradia Plus (GC Europe), in:joy (Dentsply), Signum composite (Heraeus Kulzer), and SR Nexco (Ivoclar Vivadent). Specimens were fabricated from dentin and enamel pastes and following properties were analyzed: (1) two-body wear (TB), (2) surface roughness (SR), (3) Martens hardness parameters (HM and E-IT), and (4) translucency (T). The highest impact on HM and EIT was exerted by VRC brand (HM: eta P-2=0.960/ EIT: eta P-2=0.968;p<0.001), followed by VRC paste material (HM:eta P-2=0.502/ EIT:eta P-2=0.580;p<0.001), and aging duration (HM:.eta P-2=0.157/ E-IT eta P-2=0.112;p<0.001). Lowest and highest TB were measured for Signum composite and dialog Vario, respectively (p<0.001). Highest T was showed Signum composite and Ceramage (p<0.001). VRCs should be individually selected with respect to the indication area, due to different surface properties.

• Item Type: Journal article
• Faculties: Medicine
• Subjects: 600 Technology > 610 Medicine and health
• ISSN: 0287-4547
• Language: English