Dental Updates Black Triangle Article By Dr Claire Burgess and Prof Dominic Hassall

Key Highlights from the Article

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Advancements in Composite Materials

Since the 1960s, composite resins have undergone significant improvements. The introduction of the acid-etch technique (Buonocore) and Bis-GMA resin (Bowen) revolutionized bonding in restorative dentistry, enhancing the effectiveness and longevity of composite restorations.

Challenges with Traditional Techniques

Layered composite restorations can suffer from chipping, marginal staining, and short lifespan. Influencing factors include restoration type, tooth position, patient age, and operator technique.

The Bioclear Method

Developed by Dr. David Clark in 2007, the Bioclear Method incorporates clear anatomical matrices to produce highly accurate restorations with improved contact points and emergence profiles.

  • Injection Molding: Ensures seamless adaptation of the composite material, minimizing voids and improving strength.
  • Polishing Protocols: Deliver a long-lasting, glossy finish and increase stain resistance.

Black Triangle Closure

Bioclear provides an ideal technique for closing black triangles (open gingival embrasures) non-invasively, restoring natural tooth form and improving patient aesthetics without aggressive preparation.

Clinical Cases

Several clinical examples demonstrate the predictable aesthetic and functional outcomes achieved using Bioclear for anterior composite restorations.

Clinical example of anterior restoration with Bioclear Method Before and after using Bioclear for black triangle closure

Summary

The Bioclear Method offers a modern, minimally invasive approach to anterior composite restorations. With proper tools and training, clinicians can deliver durable, aesthetically superior results while preserving tooth structure.

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