Meta analysis of the treatment-related factors of external apical root resorption.

نویسندگان

  • G R Segal
  • P H Schiffman
  • O C Tuncay
چکیده

OBJECTIVE To elucidate possible treatment-related etiological factors--such as, duration of treatment and apical displacement--for external root resorption. DESIGN Meta-analysis of the available English-language literature. INCLUSION & EXCLUSION CRITERIA Papers with a sample size > 10, fixed appliances, pre- and post-operative radiographs, and apical displacement recorded were included. History of trauma, prior root resorption and endodontic treatment were excluded. Appropriateness of these selections was tested with a 'funnel plot' analysis. OUTCOME MEASURE Correlations between root resorption, apical displacement, and treatment duration. RESULTS Mean apical root resorption was strongly correlated with total apical displacement (r = 0.822) and treatment duration (r = 0.852). CONCLUSION The treatment-related causes of root resorption appear to be the total distance the apex had moved and the time it took.

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عنوان ژورنال:
  • Orthodontics & craniofacial research

دوره 7 2  شماره 

صفحات  -

تاریخ انتشار 2004