title: Commentary: effect of light irradiation on tooth whitening: enamel microhardness and color change.
authors.affiliation: Practical Clinical Courses, Provo, UT, USA.
authors.forename: Gordon J
authors.initials: GJ
authors.lastname: Christensen
mesh_terms: D000818:Animals; D002417:Cattle; D003116:Color; D003743:Dental Enamel / Q000033:anatomy & histology / Q000528:radiation effects*; D006244:Hardness; D006861:Hydrogen Peroxide / Q000008:administration & dosage; D016877:Oxidants / Q000008:administration & dosage; D010789:Phototherapy / Q000295:instrumentation / Q000379:methods; D011897:Random Allocation; D014073:Tooth Bleaching / Q000379:methods*
chemical_list: D016877:Oxidants; D006861:Hydrogen Peroxide