U.S., Aug. 5 -- ClinicalTrials.gov registry received information related to the study (NCT07744685) titled 'Root Shortening With Three Methods of Upper Front Teeth Retraction' on July 23.

Brief Summary: External apical root resorption is a possible side effect of fixed orthodontic treatment, particularly in the upper front teeth. This randomized clinical trial was conducted to compare the amount and timing of root resorption associated with three different methods of retracting the upper anterior teeth using miniscrew anchorage. Sixty adult patients with Class II Division 1 malocclusion who required extraction of the upper first premolars were randomly allocated to one of three groups: a bidimensional bracket group, a hybrid dual-section a...