A<unk>  (abbreviated FRX or Fx, Fx, or #) is a medical condition in which there is a partial or complete break in the continuity of a<unk> . In more severe cases, the<unk>  may be broken into several pieces. A<unk>  may be the result of high force impact or stress, or a minimal trauma injury as a result of certain medical conditions that weaken the<unk> s, such as osteoporosis, osteopenia,<unk>  cancer, or osteogenesis imperfecta, where the<unk>  is then properly termed a pathologic<unk> .
Bone fracture
Sprain
Osteolysis
Osteomyelitis
Spinal fracture
Tooth decay
Acroosteolysis
Osteonecrosis of the jaw