Evaluating the Effectiveness of 8th Generation Universal Bonding Agents, Universal Primers, and Traditional Silane on Shear Bond Strength to Lithium Disilicate
Abstract
Purpose: The purpose of this study was to compare the shear bond strength amongst a new universal 8th generation bonding agent, universal primers, and traditional silane on lithium disilicate. Materials and Methods: Ninety-six lithium disilicate (IPS e.max CAD) ingots were cut into 15mm x 15mm x 2.9 mm (+/- .8 mm) thick blocks and invested in Type 3 Stone (buff stone).The lithium disilicate blocks were crystallized according to manufacturers instructions in an Ivoclar Vivadent Program at P510 dental furnace. Next, the specimens were sanded with400/600/800 grit emery paper under running water for one minute with light pressure. The surfaces were rinsed with distilled water and were prepared with 5 percent hydrofluoric acid (Vita Ceramic Etch) for 30 seconds. These specimens were then divided into 4 groups with 24 specimens in each group (n=24 per DBA): Group A - Scotchbond Universal with Ultradent Silane and RelyX Ultimate cement ; Group B -Scotchbond Universal Plus and Relyx Ultimate cement ; Group C - Monobond Plus and Multilink Hybrid Abutment cement ; Group D - Clearfil Ceramic Primer Plus and Panavia V5 resin cement . Each primer or bonding agent was applied to the prepared surface according to the manufacturer's instructions and the cement transferred onto the surface via gelatin pill capsules. Each surface received two cement capsules: totaling 24 samples per bond group on twelve vested lithium disilicate specimens. The specimens were then mounted onto the Alliance RT/5 universal testing machine for notch-edge shear bond strength testing and the values were recorded on the MTS TestSuite TW elite software. After recording, the values were compared using a one-way ANOVA. Results: The mean shear bond strength (MPa) of all groups was 7.89 MPa. The means and standard deviation of each group were: Group A: mu - 8.85 sigma - 4.76, Group B: mu - 7.64 sigma - 2.90, Group C: mu - 7.52 sigma - 2.04, Group D: mu - 7.48 sigma - 1.80.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 2023
- Accession Number
- AD1222392
Entities
People
- Nicholas S. Reece
Organizations
- Uniformed Services University of the Health Sciences