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Assessing shear bond strength of various surface treatments of 3D-printed provisional material with bis-acryl relining material.
BMC Oral Health
December 2024
Division of Prosthodontics, Faculty of Dentistry, Thammasat University, Pathum Thani, 12120, Thailand.
Objective: Marginal adaptation of the provisional restoration often requires relining from relining materials. This study determined the effects of surface treatments on the shear bond strength (SBS) between 3D-printed provisional and bis-acryl relining materials.
Materials And Methods: The 3D-printed provisional specimens (9 × 9 × 2 mm) were prepared using methacrylate-based material.
Effect of mechanical and chemical surface treatments on the repairing of milled and 3D-printed denture bases.
Sci Rep
October 2024
Department of Prosthodontics, Faculty of Dentistry, Chulalongkorn University, 34 Henri-Dunant Road, Pathumwan, Bangkok, 10330, Thailand.
Ensuring a strong bond between chairside autopolymerized acrylic resin to denture base is essential for denture repair and reline procedures. However, there is no established protocol to enhance bond strength between autopolymerizing resin and computer-aided design and computer-aided manufacturing (CAD-CAM) denture base materials. The purpose of this study was to determine shear bond strength of CAD-CAM denture bases and autopolymerizing acrylic resin after mechanical and chemical surface treatments compared with heat-polymerized acrylic resin.
View Article and Find Full Text PDFBond Strength of Nanocomposite Hard Liner to CAD-CAM Milled, 3D Printed, and Conventionally Fabricated Denture Base Resins.
Dent J (Basel)
August 2024
Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia.
Background: To investigate the effect of zirconium dioxide nanoparticles (ZrONPs) on the shear bond strength (SBS) of hard denture lines bonded to different denture base resins.
Methods: Five different denture bases were used in this study: conventional heat-cured resin, IvoCad, AvaDent, NextDent, and FormLabs, in acrylic specimens of 10 × 10 × 2.5 mm (N = 150, n = 10).
Antimicrobial hard denture reliners using quaternary ammonium methacryloxy silicate (K18 QAMS) and K18-functionalized filler.
J Appl Biomater Funct Mater
September 2024
Department of Comprehensive Dentistry, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
Objective: To determine the effects of adding a quaternary ammonium methacryloxy silicate (K18) and K18-functionalized filler (K18-Filler) on the material and antimicrobial properties of a hard denture reline material.
Materials And Methods: 30% K18 in methyl methacrylate (K18-MMA; 0-20 wt% of reliner) and K18-Filler (0-30 wt% of reliner) were incorporated into Kooliner hard denture reliner. Kooliner served as the control.
Effect of thermocycling on tensile bond strength of autopolymerized, heat-polymerized, milled, and 3D printed denture base materials bonded to 4 different denture liners: an in vitro study.
BMC Oral Health
August 2024
Department of Prosthodontics, Faculty of Dentistry, Chulalongkorn University, 34 Henri-Dunant Road, Pathumwan, Bangkok, 10300, Thailand.
Background: Digitally fabricated dentures may require relining due to continual alveolar ridge resorption. However, studies evaluating the tensile bond strength (TBS) of digitally fabricated dentures bonded to denture liners are lacking. This study aimed to evaluate the TBS of autopolymerized, heat-polymerized, milled, and 3D printed denture base materials bonded to 2 acrylic-based and 2 silicone-based denture liners, both before and after thermocycling.
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