addition to cosmetic use, filler materials are frequently employed for reconstruction of contour defects. Scars and tissue defects after accidents, surgery and irradiation are also ideal indications for injectables. The ideal filler should be easy to inject, easy to form, and should have a long lasting effect. Synthetic fillers such as calcium hydroxyapatite (CaHA), provide initial volume replacement but have an additional biostimulatory effect to supplement facial volumization and lifting.

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