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In Part 2 of this series, Dr. Melissa Seibert and Professor Bart Van Meerbeek transition from foundational adhesive science into the nuanced clinical decisions that shape long-term outcomes. If Part 1 established the biological and material principles behind durable bonding, this episode addresses the gray zones clinicians navigate daily: contamination, enzymatic degradation, substrate variability, polymerization stress, and postoperative sensitivity. The discussion confronts several widely accepted assumptions and asks a more rigorous question: what does the evidence actually support?

Professor Van Meerbeek offers data-driven clarity on topics that are often ritualized rather than critically examined. From the debated role of chlorhexidine and MMP inhibition to the thermal effects of curing lights, air particle abrasion, C-factor management, and the true value of flowable composites, this conversation reframes bonding as a system rather than a single step. The message is consistent: simplification may be attractive, but substrate awareness, technique sensitivity, and respect for hydrophobic layering remain central to predictable outcomes.

The episode concludes with a forward-looking reflection on where adhesive dentistry stands today. According to Van Meerbeek, modern multi-step systems may already be operating above 90% of their theoretical potential. The future, therefore, is not merely about bonding harder but bonding smarter—possibly integrating bioactivity without compromising performance. For clinicians committed to practicing with intellectual precision rather than procedural habit, this episode provides both reassurance and recalibration.

Join Elevated GP: www.theelevatedgp.com

Register for the live meeting: https://www.theelevatedgp.com/ElevationSummit

Download the Injection Molding Guide: https://www.theelevatedgp.com/IMpdf

In Part 1 of this two-part series, Dr. Melissa Seibert sits down with Professor Bart Van Meerbeek, one of the most influential figures in adhesive dentistry worldwide. From dentin permeability to hybrid layer degradation, Professor Van Meerbeek's research has fundamentally shaped how clinicians understand the biological and mechanical realities of bonding. This conversation moves beyond product marketing and into the core science: what we truly know, what remains uncertain, and why durability in adhesion continues to require deliberate clinical judgment.

Together, they unpack the "adhesion degradation paradox," the hydrophilicity trade-off inherent in universal systems, and the persistent performance gap between simplified one-step adhesives and multi-step gold standards. The discussion explores film thickness, hydrophobic layering, stress distribution, and the biomechanical role of flowable composites as stress-relieving buffers. They also examine why 10-MDP concentration matters, why not all universal adhesives perform equivalently, and how bonding strategy should be tailored to substrate conditions—from young permeable dentin to sclerotic or amalgam-affected substrates.

This is not a discussion about shortcuts. It is a rigorous, clinically grounded examination of what evidence-based adhesive dentistry actually demands. If you are striving to practice with greater clarity, confidence, and scientific defensibility, this episode will recalibrate how you think about bonding protocols in everyday practice. Part 2 will continue the conversation, moving deeper into contamination management, clinical troubleshooting, and long-term durability.

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Dr. Dichter brings nearly 20 years of clinical, research and teaching experience — as a general practitioner and prosthodontist — to his position with Spear. He serves as an instructor in the Treating the Terminal Dentition and Fully Edentulous Patient seminar, in addition to multiple Spear Workshops.

Dr. Dichter has served as a guest lecturer and clinical instructor at Oregon Health and Science University School of Dentistry, teaching occlusion and esthetics. He has been a Spear faculty member since the company's inception, as well as a contributing author for Spear Digest. He is passionate about education and is involved with multiple study groups in the U.S. and Canada.

After earning his D.M.D. from OHSU in 1995, Dr. Dichter practiced general dentistry and eventually joined a startup practice in his hometown in coastal Oregon before moving to a practice in Portland. He brought 16 years of restorative dental experience into UCLA's world-renowned, full-time advanced prosthodontics residency, which he completed in 2014.