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The flexural strengths of denture base acrylic resins after relining with a visible-light-activated material
J Chai1, Y Takahashi, M Kawaguchi
1Northwestern University Dental School, Chicago, Illinois 60611, USA.
Purpose:
Previous studies disclosed the ability of a light-activated denture reline material to strengthen a particular denture base material. The present study investigated the ability of the reline material to strengthen denture base materials processed by other means.
Materials And Methods:
Four denture base materials were tested for flexural strength at proportional limit (FSpl) with or without being relined.
Results:
The reline material maintained the FSpl of the microwave-processed and the autopolymerizing denture base materials. It increased the FSpl of the heat-processed and the light-activated denture base materials.
Conclusion:
the light-cured reline material increased the flexural strengths of the heat-processed and the light-activated denture base materials and maintained those of the microwave-processed and the autopolymerizing denture base materials.