title: The number and variety of filling agents for soft tissue augmentation are continually increasing.
authors.forename: Macrene
authors.initials: M
authors.lastname: Alexiades-Armenakas
mesh_terms: D000368:Aged; D001672:Biocompatible Materials; D003357:Cosmetic Techniques / Q000592:standards / Q000639:trends*; D004954:Esthetics; D005260:Female; D005544:Forecasting; D006801:Humans; D006820:Hyaluronic Acid / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D019736:Prostheses and Implants; D018570:Risk Assessment; D015595:Skin Aging / Q000502:physiology; D015626:Tissue Expansion / Q000379:methods*; D016896:Treatment Outcome; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D001672:Biocompatible Materials; D006820:Hyaluronic Acid