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Comparison of two light cured reline systems
The Journal of Clinical Dentistry
|January 1, 1989
Summary
The Triad VLC Reline Material and Triad II Curing Unit system showed better performance than the Astron system in dental material tests. The Astron XL curing unit could not fully cure the Triad material.
Area of Science:
- Dental Materials Science
- Polymer Chemistry
- Biomaterials Engineering
Background:
- Visible light-activated dental reline materials are widely used.
- Ensuring complete polymerization is crucial for material performance and longevity.
- Different material-curing unit combinations may yield varying results.
Purpose of the Study:
- To compare the in vitro properties of two visible light-cured reline materials with their respective curing units.
- To evaluate the compatibility and curing efficacy between different reline materials and curing units.
Main Methods:
- In vitro testing of flexural strength, impact strength, and stain resistance.
- Assessment of blanching as an indicator of material properties.
- Comparative analysis of two commercial systems: Triad VLC Reline Material/Triad II Curing Unit and Astron LC/Astron XL Curing Unit.
- Testing of alternate material-curing unit combinations.
Main Results:
- The Triad system demonstrated superior flexural strength, impact strength, and stain resistance compared to the Astron system.
- The Astron XL curing unit failed to completely cure the Triad VLC Reline Material, as indicated by strength and stain resistance tests.
- Complete cure was achieved when Triad VLC Reline Material was used with the Triad II Curing Unit.
Conclusions:
- The Triad VLC Reline Material and Triad II Curing Unit system offers superior performance for dental reline applications.
- Incompatibility between the Astron XL curing unit and Triad VLC Reline Material can lead to incomplete polymerization and compromised properties.
- Material-curing unit compatibility is a critical factor for optimal outcomes in visible light-cured dental materials.