Product Description Porcelain etch mini refill, buffered 9. 6 percent hydrofluoric acid. Contains: 2 x 1. 2 ml porcelain etch syringes. 90-Second porcelain etch is used to etch porcelain veneers, crowns, bridges, inlays, onlays, and fractured dental porcelain. Will not stain composite or resin cement. Ultradent 90-second porcelain etch is used to etch porcelain veneers, crowns, bridges, inlays, onlays, and fractured dental porcelain. Ultradent 60-second silane is used after hydrofluoric acid etching to prepare the surface for bonding resin. Studies have demonstrated that silane, when used with porcelain etch and a quality bonding resin, yields the highest bond strength to porcelain when compared with other porcelain bonding products. Manufacturer Contact Information Not Applicable
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