Mastering Bonding Through Science and Technique

A discussion with Nathaniel “Nate” Lawson DMD PhD

March 1, 2026
7 min

Inside Dentistry

Overview

This report discusses significant advances in adhesive dentistry, particularly the development of universal adhesives and their clinical implications. It highlights the importance of technique sensitivity and moisture control in achieving durable bonds.

Background

Adhesive dentistry has evolved significantly over the past decade, with advancements in materials and techniques that enhance bond strength and longevity. Understanding these developments is crucial for clinicians aiming to improve restorative outcomes and patient satisfaction. The shift towards adhesive techniques emphasizes tooth preservation and the need for meticulous application protocols.

Data Highlights

No numerical data available in the source material.

Key Findings

Universal adhesives have emerged as a significant advancement, incorporating phosphorus-based functional groups for improved bonding.
Bond failure is often linked to isolation challenges and technique sensitivity, including over-etching and inadequate curing.
Two-bottle adhesives show long-term retention rates of nearly 90%, while universal adhesives have a 5-year retention of about 90% based on preliminary studies.
Moist dentin bonding is ideal, but many adhesives now contain water to help re-wet desiccated dentin.
Selective etching of enamel improves bond strength, particularly in challenging clinical situations.

Clinical Implications

Clinicians should prioritize technique sensitivity and strict adherence to bonding protocols to enhance adhesive performance. Understanding the properties of universal adhesives and their application can lead to better restorative outcomes, especially in complex cases involving deep or sclerotic dentin.

Conclusion

The advancements in adhesive dentistry underscore the importance of both material science and clinical technique. Ongoing education and adaptation to new protocols are essential for maximizing the benefits of these innovations.