Canine Retraction Using Different Bracket Slots' Sizes
Treating Class II Malocclusion and Bimaxillary Proclination
About this trial
This is an interventional treatment trial for Treating Class II Malocclusion and Bimaxillary Proclination focused on measuring Bracket slot size, canine retarction, anchorage loss
Eligibility Criteria
Inclusion Criteria:
- Age 15 years and above at the start of treatment
- Molar relationship class II or I bimaxillary proclination
- Extraction of maxillary first premolar teeth as part of the orthodontic treatment
- Full set of permanent teeth regardless third molars
- No systemic diseases
- Good oral health at the start of treatment.
Exclusion Criteria:
- Orofacial clefting
- Impacted teeth
- Special needs patients
- Patients undergoing orthognathic (jaw) surgery as part of their orthodontic treatment plan
- Patients with systemic diseases requiring long-term use of Phenytoin, Cyclosporine, anti-inflammatory drugs, Bisphosphonates and systemic corticosteroids
- Poor oral hygiene, or active periodontal disease.
Sites / Locations
- College of Dentistry, University of BaghdadRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Active Comparator
Active Comparator
0.022×0.028-inch slot (Control Group)
0.020×0.028-inch slot
0.018×0.028-inch slot for the anterior teeth and 0.022×0.028-inch slot for the posterior teeth
Leveling and alignment will be performed with 0.016-inch, 0.016×0.022-inch and 0.019×0.025-inch HANT followed by a working archwire of 0.019×0.025-inch stainless steel (Hangzhou Xingchen 3B Dental Instruments and Materials Co., Hangzhou, China).
Leveling and alignment will be carried out with 0.016-inch, 0.016×0.022-inch and 0.018×0.025-inch HANT followed by a working archwire of 0.018×0.025-inch stainless steel (Hangzhou Xingchen 3B Dental Instruments and Materials Co., Hangzhou, China).
Leveling and alignment will be completed with 0.016-inch, 0.016×0.016-inch, and 0.016×0.022-inch HANT followed by a working archwire of 0.016×0.022-inch stainless steel (Hangzhou Xingchen 3B Dental Instruments and Materials Co., Hangzhou, China).