title: Comment on "development of digital shade guides for color assessment using a digital camera with ring flashes [Oi-Hong Tung et al., Clinical Oral Investigations (2011) 15:49-56]".
authors.forename: Rui
authors.initials: R
authors.lastname: Zhuang
authors.forename: Zhimin
authors.initials: Z
authors.lastname: Zhu
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