Adhesive dentistry: the development of immediate dentin sealing/selective etching bonding technique

Area of Science:

• Dental Materials Science
• Biomaterials Engineering
• Restorative Dentistry

Background:

• Dental adhesives aim to retain restorations, minimize leakage, and ensure ease of use.
• Over 6,500 papers document research in dentin bonding and techniques.
• Historical development includes Buonocore's phosphoric acid etching, initially controversial but later a standard.

Purpose of the Study:

• To trace the historical evolution of dental adhesive techniques and materials.
• To introduce a novel technique combining two distinct bonding methods.
• To address challenges in adhesion and postoperative sensitivity.

Main Methods:

• Historical review of dental adhesive development.
• Analysis of phosphoric acid etching and self-etching primer systems.
• Description of a new hybrid bonding technique.

Main Results:

• Phosphoric acid etching became the gold standard for enamel, though technique-sensitive.
• Self-etching primers addressed sensitivity but sometimes compromised adhesion.
• Improved bond strength achieved by combining phosphoric acid-etch with adhesive systems.

Conclusions:

• The evolution of dental adhesives shows a trend towards combining historical and modern techniques.
• A new technique integrates phosphoric acid-etch conditioning with adhesive systems for enhanced performance.
• This hybrid approach seeks to optimize both adhesion and clinical outcomes in restorative dentistry.