Detail of "12634-01-4"

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Color dye for identification of incompletely cured composite resins: Color dye for identification of incompletely cured composite resins. De Gee, Anton J.; Ten Harkel-Hagenaar, Emmy; Davidson, Carel L. (Univ. Amsterdam, Amsterdam, Neth.). J. Prosthet. Dent., 52(5), 626-31 (English) 1984. CODEN: JPDEAT. ISSN: 0022-3913. DOCUMENT TYPE: Journal CA Section: 63 (Pharmaceuticals) Astra blue [12634-01-4] shows a specificity for staining unreacted groups in the resin phase of dental composites. The Astra staining technique confirms observations made with other techniques about incomplete curing. For light-activated systems, the curing depth is more limited for microfilled than for conventional or hybrid composites. The boundary between sep. light-activated layers in built up composites occasionally resulted in defective curing. In the deeper areas of some light-activated microfilled composite resins, insufficient coupling between prepolymd. filler particles and the matrix can be demonstrated.