The objective of this study was to evaluate the reliability of dental personnel and patients in
ascertaining the shade of natural teeth compared to the electronic shade matching devices. Five groups
(10 each) of participants were selected: prosthodontists, general practitioners, dental interns, dental
technicians and dental patients. Shade selection was carried out using Vitapan classical shade guides
to mach seven shade tabs (A1, A3, B2, B3, C2, C4 and D3) of the same shade guide. The electronic shade