Soares, Luís Eduardo Silva Influence of coffee on reflectance and chemistry of resin composite protected by surface sealant. [electronic resource] - American journal of dentistry Oct 2007 - 299-304 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0894-8275 Subjects--Topical Terms: Carbon--chemistryCoffee--chemistryColorComposite Resins--chemistryDental Materials--chemistryDental PolishingHumansHumidityHydrogen--chemistryHydrogen BondingLighting--instrumentationMaterials TestingOptics and PhotonicsResin Cements--chemistrySpectroscopy, Fourier Transform InfraredSpectrum Analysis, RamanSurface PropertiesTime Factors