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Quintessence International
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Quintessence Int 22 (1991), No. 9     1. Sep. 1991
Quintessence Int 22 (1991), No. 9  (01.09.1991)

Page 733-737


Color stability of restorative resins
Khokhar / Razzoog / Yaman
The purpose of the present study was to evaluate the color stability of selected indirect composite ersins. Twenty-six specimens each of Dentocolor, VisioGem, Brilliant D. I., and Concept were fabricated and immersed in chlorhexidine, coffee, and tea. The modifying effect of saliva on staining was also studied. Coffee and tea both stained the tested materials, but tea stained more than coffee. The addition of chlorhexidine and saliva increased staining when used with tea. Most staining was superficial and could be removed with regular oral hygiene; however, residual staining, which might become cumulative, was recorded. Brilliant D. I. samples exhibited the most discoloration and Concept samples the least.