An Introduction to a modern procedure for anterior composite restorations and black triangle closure using a novel matrix system: Part 1

The Bioclear Method: A Modern Approach to Anterior Composite Restorations

Authors: Dr. Claire Burgess, Dr. Dominic Hassall

Date: 2023

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Why Bioclear?

Traditional layered composites often present challenges such as:

  • Chipping at incisal edges
  • Marginal staining and microleakage
  • Unpredictable emergence profiles
  • Technique-sensitive placement

Bioclear provides a more predictable and aesthetic alternative.

Bioclear anterior composite example 1 Bioclear anterior composite example 2

The Five Pillars of the Bioclear Method

1. Biofilm Removal

  • Use air abrasion with aluminium trihydroxide after disclosing.
  • Enhances bond strength and reduces staining.

2. Modern Cavity Design

  • Radius bevel preparation improves shade blending and smooth transitions.
  • Increases enamel surface area for bonding.

3. Anatomical Matrices

  • Clear, anatomically shaped acetate matrices
  • Seat 2–3 mm subgingivally, reducing the need for interproximal finishing

4. Warm Injection Moulding

  • Heated composite improves flow, adaptation, and reduces voids.
  • Combines adhesive, flowable, and paste composite into a monolithic mass (~80% paste).

5. Rockstar Polish

  • Two-step finishing system:
    1. Magic Mix pre-polish
    2. Bioclear RSP polishers for final gloss

Bioclear polishing protocol example

Clinical Benefits

  • Improved marginal integrity
  • Fewer voids and fractures
  • Less technique sensitivity
  • Better long-term polish retention
  • Faster, more predictable workflows

Black Triangle Closure with Bioclear

  • Affects ~65% of adult ortho cases
  • Traditional composites often result in overhangs and poor contact
  • The Bioclear Method offers a:
    • Non-invasive approach
    • Matrix-guided technique
    • Solution ideal for well-aligned teeth
  • Colour-coded matrix system based on black triangle size
  • Requires minimal finishing

Longevity and Clinical Success

  • Over 1,000 Bioclear restorations placed by the author since 2015
  • Only 3 recorded failures
  • 6+ year follow-ups show:
    • Excellent aesthetic outcomes
    • Stable gingival health
    • Durable, long-lasting restorations

Conclusion

The Bioclear Method delivers a reproducible, minimally invasive, and aesthetic solution for anterior composite restorations. It is an ideal technique for clinicians aiming to improve outcomes, efficiency, and patient satisfaction in everyday practice.

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