title: Reply to the letter to the editor: development of digital shade guides for color assessment using a digital camera with ring flashes.
authors.forename: Oi-Hong
authors.initials: OH
authors.lastname: Tung
authors.forename: Yu-Lin
authors.initials: YL
authors.lastname: Lai
authors.forename: Yi-Ching
authors.initials: YC
authors.lastname: Ho
authors.forename: I-Chiang
authors.initials: IC
authors.lastname: Chou
authors.forename: Shyh-Yuan
authors.initials: SY
authors.lastname: Lee
mesh_terms: D003116:Color / Q000592:standards*; D003776:Dental Porcelain; D007091:Image Processing, Computer-Assisted / Q000295:instrumentation*; D008029:Lighting; D023861:Photography, Dental / Q000295:instrumentation*
chemical_list: D003776:Dental Porcelain