Photochemical ProcessesLightPolymerizationPhotoinitiators, DentalBisphenol A-Glycidyl MethacrylatePhosphinesHeptanesMethacrylatesDental EquipmentHydrogelsMaterials TestingHalogensComposite ResinsPolymersDentin-Bonding AgentsCuring Lights, DentalBiocompatible Materialspara-AminobenzoatesPolyethylene GlycolsPhase TransitionPolymethacrylic AcidsLight-Curing of Dental AdhesivesPhotochemistryResin CementsElastic ModulusSpectroscopy, Fourier Transform InfraredSurface PropertiesDental Materials