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Primary Dentin Conditioning with Methylene Blue Activated Photodynamic Therapy, Phytic Acid, and Er,Cr:YSGG to Resin-Modified Glass Ionomer Cement in Comparison to Conventional Polyacrylic Acid.
Photobiomodul Photomed Laser Surg
January 2025
Department of Preventive Dental Sciences, College of Dentistry, Dar Al Uloom University, Riyadh, Saudi Arabia.
Impact of surface conditioner phytic acid (IP6) Er,Cr:YSGG laser (ECYL) methylene blue photodynamic therapy (MB-PDT) on the microleakage and shear bond strength (SBS) of resin-modified glass ionomer cement (RMGIC) to primary sound dentin. Overall, 80 extracted sound primary molars were collected followed by their submergence in self-cure acrylic resin. The dentin surface was exposed and made flat and was assigned into four groups based on the surface conditioning.
View Article and Find Full Text PDFAdhesive damage of class V restorations under shrinkage stress and occlusal forces using cohesive zone modeling.
J Mech Behav Biomed Mater
January 2025
Key Lab for Biomechanical Engineering of Sichuan Province, Sichuan University, Chengdu, China; Sichuan University Yibin Park, Yibin Institute of Industrial Technology, Yibin, China. Electronic address:
Objective: This study aims to investigate adhesive damage caused by the synergistic effects of polymerization shrinkage and occlusal forces via finite element analysis (FEA), based on damage mechanics with the cohesive zone model (CZM). The objective is to obtain the adhesive damage distribution and investigate how the material properties of resin composite impact adhesive damage.
Methods: A 3D reconstruction model of an mandibular first molar was constructed through CBCT imaging, and a Class V cavity was prepared using computer-aided engineering (CAE) software.
Comparative Evaluation of Microleakage in Class V Cavities Restored with Newer Bioactive Restorative Materials: Activa Bioactive Restorative and Activa Pronto.
Int J Clin Pediatr Dent
November 2024
Private Practitioner, Bengaluru, Karnataka, India.
Aim: To compare the microleakage in class V cavities restored with Activa Bioactive Restorative, Activa Pronto, and nanohybrid composite.
Materials And Methods: Standardized class V cavity preparations (mesiodistal: 3 mm; occlusocervical: 2 mm; axial depth: 1 mm) were made on the buccal surface of 60 extracted intact maxillary premolar teeth. The preparations were divided into three experimental groups ( = 20) depending on the restorative material used.
Effect of Glass Fiber Reinforcement on Marginal Microleakage in Class II Composite Restorations: An In Vitro Pilot Study.
Dent J (Basel)
December 2024
Department of Teeth and Dental Arches Morphology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania.
Polymerization shrinkage of composite resins affects the marginal closure of direct dental restorations. It is responsible for developing secondary caries and indirectly affects the survival rate of restorations. This study aims to investigate the null hypothesis, which states that there are no significant differences in the marginal microleakage of Class II restorations when examined in vitro using different dental adhesives, whether the restoration material used is a composite with glass fiber reinforcement or not.
View Article and Find Full Text PDFBiocompatibility of universal dental adhesives: An in vitro study.
J Prosthet Dent
December 2024
Professor, School of Stomatology, Dalian Medical University, Liaoning, PR China. Electronic address:
Statement Of Problem: Adhesives play an essential role in restorative dentistry, and Universal Bond Quick (UBQ) has been marketed as having a short application time and long-term resistance to hydrolysis. However, research on its biocompatibility is lacking.
Purpose: The purpose of this in vitro study was to compare the biocompatibility of 3 recently introduced universal dental adhesives: UBQ, Single Bond Universal (SBU), and Prime&Bond Universal (PBU), and the popular clinical dental adhesive SE Bond.
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