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SONICSYS approx: an innovative addition to the restorative continuum
Practical Periodontics and Aesthetic Dentistry : PPAD
|March 27, 1999
Summary
Direct composite resin restorations for Class II defects can fail due to polymerization shrinkage. New techniques using sonically driven, diamond-coated tips enable precise cavity preparation for ceramic inlays, improving restoration outcomes.
Area of Science:
- Restorative Dentistry
- Dental Materials Science
Background:
- Direct composite resin restorations are common for Class II defects, especially when cost and aesthetics are considered.
- However, polymerization shrinkage in composite resins can lead to mechanical stresses and restoration failure.
Observation:
- A novel approach involves using shaped, sonically driven, diamond-coated preparation tips.
- These specialized tips adjust cavity form to precisely fit pre-sized ceramic inlay restorations.
Findings:
- This technique allows for the achievement of proper contacts and contour in indirect ceramic restorations.
- It offers an alternative to direct composite restorations that are prone to shrinkage-related issues.
Implications:
- This method enhances the longevity and clinical success of indirect ceramic inlays for Class II defects.
- It provides a viable restorative option addressing the limitations of direct composite resins.