title: Bone quality and osteoporosis therapy.
abstract: Although BMD measured by DXA is a useful clinical tool for osteoporosis diagnosis, changes resulting from osteoporosis treatment only partially explain the observed reduction in fractures. Several other bone properties that influence its resistance to fractures and explain this discrepancy have been defined as "bone quality". Bone quality is determined by its structural and material properties and orchestrated by bone turnover, a continuous process of renewal through which old or damaged bone is replaced by a mechanically healthy bone and calcium homeostasis is maintained. Bone structural properties include its geometry (size and shape) and microarchitecture (trabecular architecture and cortical porosity), while bone material properties include its mineral and collagen composition as well as microdamage and its repair. This review aims to update concepts surrounding bone quality and how drugs employed to treat osteoporosis might influence them.
authors.affiliation: Hospital das Clínicas, Universidade de São Paulo, SP, Brasil.
authors.forename: Regina Matsunaga
authors.initials: RM
authors.lastname: Martin
authors.forename: Pedro Henrique S
authors.initials: PH
authors.lastname: Correa
mesh_terms: D015519:Bone Density / Q000187:drug effects; D050071:Bone Density Conservation Agents / Q000627:therapeutic use*; D016723:Bone Remodeling / Q000502:physiology; D001862:Bone Resorption / Q000188:drug therapy; D001842:Bone and Bones / Q000187:drug effects* / Q000502:physiology; D006801:Humans; D010012:Osteogenesis / Q000187:drug effects; D010024:Osteoporosis / Q000188:drug therapy* / Q000503:physiopathology
chemical_list: D050071:Bone Density Conservation Agents