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The Surface Roughness and Gloss of Composites
W.J. O'Brien
School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
W.M. Johnston
School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
F. Fanian
School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
S. Lambert
School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
The contrast gloss and the average roughness were measured for four commercial composite filling materials. Using a factorial design, each material was subjected to four available finishing methods. A significant difference was found in the contrast gloss among finishing methods, and a significant linear regression is given which relates the inverse of the contrast gloss to the average roughness. Surface gloss is proposed as playing a major role in the esthetic appearance of composite restorations.
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- Hunter, R.S.: The Measurement of Appearance, New York: Wiley, 1975, pp. 65-77.
- Johnson, L.N.; Jordan, R.E.; and Lynn, J.A.: Effects of Various Finishing Devices on Resin Surfaces, JADA 83:321-331, 1971.
- Sokal, R.R. and Rohlf, F.J.: Biometry, San Francisco: W.H. Freeman & Co., 1969, pp. 239-246.
- Raptis, C.N.; Fan, P.L.; and Powers, J.M.: Properties of Microfilled and Visible Light-Cured Composite Resins, JADA 99:631-633, 1979.
- Tolley, L.G.; O'Brien, W.J.; and Dennison, J.B.: Surface Finish of Dental Composite Restorative Materials, J Biomed Mater Res 12:233-240, 1978.[CrossRef][Medline]
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Journal of Dental Research, Vol. 63, No. 5,
685-688 (1984)
DOI: 10.1177/00220345840630051601

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P.M. Campbell, W.M. Johnston, and W.J. O'Brien
Light Scattering and Gloss of an Experimental Quartz-filled Composite
Journal of Dental Research,
June 1, 1986;
65(6):
892 - 894.
[Abstract]
[PDF]
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