Prediction of mandibular third-molar impaction in adolescent orthodontic patients
F Behbehani, J Årtun, L Thalib - American journal of orthodontics and …, 2006 - Elsevier
Introduction: The purpose of this study was to identify risk factors for mandibular third-molar
impaction in adolescent orthodontic patients. Methods: Radiographs made before (T1) and
after (T2) treatment and at least 10 years postretention (T3) of 134 patients that allowed
accurate diagnosis of impaction vs eruption of at least 1 mandibular third molar were
evaluated. Results: Univariate logistic regression analyses at T1 showed that the decision to
extract premolars (P<. 05), an increase of 1 mm in mesial molar movement (P<. 05), and an …
impaction in adolescent orthodontic patients. Methods: Radiographs made before (T1) and
after (T2) treatment and at least 10 years postretention (T3) of 134 patients that allowed
accurate diagnosis of impaction vs eruption of at least 1 mandibular third molar were
evaluated. Results: Univariate logistic regression analyses at T1 showed that the decision to
extract premolars (P<. 05), an increase of 1 mm in mesial molar movement (P<. 05), and an …
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