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Calcium Hydroxylapatite Ultradilute, HA Dilution
Introduction Calcium hydroxylapatite (CaHA; Radiesse, Merz North America, Raleigh, NC) is an opaque, white-colored filler consisting of CaHA microspheres (25–45 μm in diameter) suspended in an aqueous carboxymethylcellulose carrier gel. The synthetic CaHA microspheres are smooth in shape, uniform in…