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REASONING:
Shows BETTER marginal adaption and LESS gaps
Shows increase conversion (better mechanical properties)
NOT EFFECTED:
Degree of conversion via spectroscopy
Flexural strength via 3 pt bending test
Polymer cross linking
Analyzed % of gaps using e-microscopy
How:
Heat composite up to 60C, isothermal
Reduces temp of 50% after 2 minutes
Preheating might cause effects on margin (shrinkage)
Experiment:
Preps made, etch, prime bond, and composite at 40s
Restoration placed in distilled water for 7 days
Cut in half, exposing interface
Embedded both in EPOXY RESIN, polished
Impressions of polish via low PS for replica, platinum coated
Analyzed via 200x via SEM
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