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Optical Properties of Direct Restorative MaterialsDepartment of Dental Materials Science, Nippon Dental University, Niigata, Japan
The University of Michigan, School of Dentistry, Ann Arbor, Michigan 48109
The University of Michigan, School of Dentistry, Ann Arbor, Michigan 48109 The contrast ratio, light reflectivity, scattering coefficient, and absorption coefficient of four composites and an unfilled resin were calculated algebraically from reflection spectrophotometric data using Kubelka's equations. The correlation coefficient between calculated and experimental values of contrast ratio was 0.9996. Values of infinite optical thickness ranged from 4.19 to 6.70 mm.
Journal of Dental Research, Vol. 60, No. 5,
890-894 (1981) This article has been cited by other articles:
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