Fugolin, Ana Paula Piovezan Influence of irradiance on Knoop hardness, degree of conversion, and polymerization shrinkage of nanofilled and microhybrid composite resins. [electronic resource] - General dentistry - 26-31 p. digital Publication Type: Journal Article ISSN: 0363-6771 Subjects--Topical Terms: Composite Resins--chemistryCuring Lights, Dental--adverse effectsHardness--radiation effectsPolymerization--radiation effectsSpectroscopy, Fourier Transform Infrared