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International Dental Journal of Student Research


Canine retraction using new Curved Sliding Technique and miniscrew anchorage


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Author Details: M. Bashar Muselmani, Mohammad Maatouk

Volume : 4

Issue : 3

Online ISSN : 2278-3784

Print ISSN : 2394-708X

Article First Page : 136

Article End Page : 140


Abstract

Background and Aim: Canine retraction is an important stage in many orthodontic cases involving extraction. The aim of this study was to develop a new technique for canine retraction and to evaluate it clinically with the use of miniscrew anchorage.
Materials and Methods: The sample comprised of fifteen patients (eight females and seven males)who had maxillary first premolars extracted and maximum anchorage was indicated in all subjects to solve crowding or protrusion. Canine retraction was done using new Curved Sliding Technique and miniscrew anchorage. Miniscrews were inserted between the maxillary second premolar and the first molar in the attached gingiva near the mucogingival junction. 150 g of force was applied with nickel-titanium coil springs. The evaluation was done on lateral cephalometric radiographs and dental casts. Paired-samples t test was used to evaluate the changes within group. 
Results: The study showed excellent control of canine axis with intrusion (1.5 mm) and perfect rotational control during retraction. The rate of canine retraction was 1.32 mm/month.
Conclusion: The new technique demonstrated excellent efficiency in canine retraction and good rate of space closing due to the reduction of friction.

Keywords:
Canine retraction, Curved sliding technique, Miniscrews