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Updated: Jun 25, 2026

Preparation and Testing of Plant Seed Meal-based Wood Adhesives
Published on: March 5, 2015
Mechanical stability of adhesives under water storage
Adriana P Manso1, Ana K Bedran-Russo, Byoung Suh
1Department of Operative Dentistry, College of Dentistry, University of Florida, Gainesville, FL 32610-0415, USA. amanso@dental.ufl.edu
Objectives:
To evaluate the effects of storage condition (wet or dry) and storage time (24h and 3 months) on the ultimate tensile strength (UTS) of Single Bond (SB), 3M-ESPE; Opti Bond Solo Plus (OB), Kerr; One Step (OS), Bisco, and Prime & Bond NT (PB), Dentsply adhesive resins.
Methods:
Hourglass-shaped specimens were obtained from a metallic matrix. Each adhesive was dispensed to fill the molds completely and left undisturbed in a dark chamber for 4 min at 37 degrees C for solvent evaporation. They were individually light-cured for 80s at 500 mW/cm(2) and randomly divided into three groups: 24h of water storage; 3 months of water storage; 3 months of dry storage. The specimens were tested in tension at 0.5 mm/min using the microtensile method and data were analyzed by two-way ANOVA and SNK tests for each material.
Results:
Water storage for 3 months did not cause significant changes in the UTS of any of the adhesives (p-value). Values for water storage ranged from 25.9 MPa for Single Bond at 24h to 32.7 MPa for Prime & Bond NT after 3 months. Dry storage for 3 months yielded significantly higher UTS for most adhesives, which ranged from approximately 20% for Opti Bond to 160% higher values for Single Bond compared to their 3 months wet storage values.
Conclusion:
The effects of storage condition and time on the UTS of adhesives were material-dependent.
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