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The Relationship Between Cure Depth and Transmission Coefficient of Visible-light-activated Resin Composites
M. Kawaguchi
Department of Dental Materials and Devices, Fukuoka Dental College, 2-15-1, Tamura, Sawara-ku, Fukuoka, 814-01 Japan
T. Fukushima
Department of Dental Materials and Devices, Fukuoka Dental College, 2-15-1, Tamura, Sawara-ku, Fukuoka, 814-01 Japan
K. Miyazaki
Department of Dental Materials and Devices, Fukuoka Dental College, 2-15-1, Tamura, Sawara-ku, Fukuoka, 814-01 Japan
The relationships between the transmission coefficient and the cure depth were evaluated on eight commercially available light-activated resin composites. The determination of transmission coefficient was carried out by the use of a radiometer for various shades of the resin composites. The transmission coefficient, ranging from 0.042 to 0.263, was dependent upon the shade of the resin. There was a good correlation between the transmission coefficient and the cure depth for different shades for each resin composite, except for one hybrid resin composite (P-50). The microfilled resin composite showed transmission coefficient and cure depth loser than those of the hybrid and small-particle-filled resin composites.
Key Words: Composites Curing
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Journal of Dental Research, Vol. 73, No. 2,
516-521 (1994)
DOI: 10.1177/00220345940730020601

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J.L. Ferracane
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Critical Reviews in Oral Biology & Medicine,
January 1, 1995;
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302 - 318.
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