Publications by authors named "C M Pfeifer"
JADA Found Sci
April 2024
Article Synopsis
- The study evaluated low-stress resin-based composites (RBCs) and their stress relaxation mechanisms, comparing them to an experimental low-stress thiourethane (TU) material.
- The experimental composites included a mix of different dimethacrylates and barium aluminosilicate filler, with tests on polymerization kinetics and stress relaxation conducted using advanced analytical techniques.
- Results indicated that TU-modified RBCs exhibited significantly higher polymerization conversion rates and stress reduction capabilities compared to traditional materials, with the TU composites and SDR Flow+ showing the most effective stress relaxation.
Article Synopsis
- The review focuses on understanding how to improve adhesion to tooth surfaces like enamel and dentin, addressing common challenges in maintaining strong bonds over time.
- It discusses recent advancements in dental materials that enhance durability and reduce sensitivity for dentists, making high-quality adhesion more accessible for practitioners.
- The study highlights innovative strategies inspired by nature that aim to strengthen the hybrid layer in dental applications, though there are still hurdles in bringing these techniques from research to everyday clinical use.
Article Synopsis
- Dental caries remains a significant public health challenge, particularly in underserved communities in the U.S., leading to frequent replacements of resin composite restorations due to recurring decay and fractures.
- New material development should focus on innovative antibiofilm strategies that target harmful bacteria rather than traditional inert fillings, along with stabilization of dental structures to enhance restoration longevity.
- The review emphasizes the necessity of testing these materials under realistic oral conditions to create durable restorations that can effectively withstand both mechanical stress and biological challenges.
Braz Oral Res
October 2024
Article Synopsis
- The study developed a new dimethacrylate isomer (PG6EMA) for potential use in dental adhesives and composites.
- The synthesis of PG6EMA involved testing its performance against a standard mixture (BisGMA/TEGDMA), highlighting differences in polymerization kinetics, viscosity, and mechanical properties.
- Results indicated that while PG6EMA had slower polymerization rates, it achieved higher degrees of conversion and reduced polymerization stress, suggesting it could be a viable alternative to traditional materials in dentistry.
Polymers (Basel)
August 2024
Article Synopsis
- Dental resin composites often fail due to microcracks that can lead to larger cracks and restoration issues.
- The study focuses on enhancing self-healing dental resins through the optimization of microcapsules that release healing agents when damaged.
- Functionalized microcapsules with silanizing agents showed better healing efficiency, particularly the bilayer approach using TEOS and MPTMS, achieving up to 35% toughness recovery compared to standard microcapsules.
