title: A longitudinal study of idiopathic osteosclerosis and condensing osteitis.
abstract: OBJECTIVE
  To document the prevalence of idiopathic osteosclerosis (IO) and condensing osteitis (CO) in a middle-age-to-older adult population and determine their long term behavior.
  
  
  METHODS
  Full-mouth radiographs of 1585 adults, with a mean age 44.0 years, were evaluated for the presence of radiopaque masses diagnosed as IO or CO. All lesions were followed for 2 to 28 years, mean 10.4, to determine changes in size and shape.
  
  
  RESULTS
  There were 187 lesions detected, 100 IO in 90 subjects (5.7%) and 87 CO in 71 subjects (4.5%). At follow-up, 180 lesions (96%) were still present, of which 155 were unchanged in size, 18 were smaller, and 7 were larger.
  
  
  CONCLUSIONS
  Idiopathic osteosclerosis in middle age to older adults is stable and requires no further action after documentation in the patient's clinical records.
authors.affiliation: VA Medical Center, Detroit, Ann Arbor, Michigan, USA.
authors.forename: T P
authors.initials: TP
authors.lastname: Williams
authors.forename: S L
authors.initials: SL
authors.lastname: Brooks
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016009:Chi-Square Distribution; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008336:Mandibular Diseases / Q000000981:diagnostic imaging* / Q000453:epidemiology; D008439:Maxillary Diseases / Q000000981:diagnostic imaging* / Q000453:epidemiology; D008875:Middle Aged; D010000:Osteitis / Q000000981:diagnostic imaging* / Q000453:epidemiology; D010026:Osteosclerosis / Q000000981:diagnostic imaging* / Q000453:epidemiology; D015995:Prevalence; D011859:Radiography; D015203:Reproducibility of Results