title: Nonunions and delayed unions.
abstract: Nonunions are always possible after fracture reductions or osteotomies, and there are two basic theories of treatment. The authors discuss the various aspects of nonunions and the methods of treating them.
mesh_terms: D001847:Bone Diseases / Q000628:therapy; D016025:Bone Transplantation; D004599:Electric Stimulation Therapy / Q000379:methods*; D050723:Fractures, Bone / Q000150:complications; D005599:Fractures, Ununited / Q000601:surgery*; D006801:Humans; D007239:Infections / Q000628:therapy; D010027:Osteotomy / Q000009:adverse effects; D011542:Pseudarthrosis / Q000601:surgery*