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Article: New quintessence research reported from A.J. Hassel and co-authors.
- Article from:
- Science Letter
- Article date:
- October 20, 2009
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In this recently published article, scientists in Heidelberg, Germany conducted a study "To evaluate intraexaminer reliability in measurement of basic tooth color by use of a clinically applicable spectrophotometer. Three examiners determined the L* (lightness), C* (chroma), and h* (hue) values and tooth color according to the Vita 3D-Master shade guide system (Vident), twice for 161 anterior teeth of 19 subjects by use of a spectrophotometer (Vita Easyshade 1, Vita Zahnfabrik)."
"Between the 2 measurements on each tooth, the investigators had to completely remove the probe tip from the mouth. The reliability of the measurements was observed, and deviations ...