An interventional study of passive self-ligating, Damon Ultima brackets and Conventional ligation, MBT brackets in Orthodontic Brackets, sponsored by University of Baghdad. Active, not recruiting at 1 site in Iraq. Open to participants aged 16 Years to 40 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2025-09-24.
Sponsored by University of Baghdad · Not applicable, Interventional, and Treatment
Comparison between two bracket prescription systems, MBT and DAMON Ultima brackets and evaluate whether the changes incorporated in DAMON Ultima brackets can drive earlier improvement on teeth position, clinically visual progression of treatment, during initial stage of treatment. Another aim of this study is the effect of chosen bracket system on patient compliance.
A single-operator, single-center randomized controlled trial (RCT) with a 1:1 allocation ratio will be conducted for patients seeking orthodontic treatment with fixed appliances. The study will take place at the Postgraduate Orthodontic Clinic, College of Dentistry, University of Baghdad, Baghdad, Iraq. Patients who meet the eligibility criteria will be randomly assigned to one of two bracket-type groups. To eliminate inter-operator variability, all patients will be treated by a single operator.
A standardized protocol will be followed. Each patient will undergo extraoral and intraoral photography, intraoral scanning with Medit i700 (Medit Corp., Seoul, South Korea), and radiographic evaluation (CBCT and lateral cephalogram). On bonding day, gingival index and plaque index will be assessed. All teeth will then be isolated and cleaned with a mixture of water and pumice using a rubber-polishing cup on a low-speed handpiece. The teeth will be rinsed and dried with an oil-free air syringe, and etched using the conventional acid-etching technique (37% orthophosphoric acid applied for 30 seconds). The surfaces will be thoroughly rinsed with water for 10 seconds to ensure complete removal of the etchant, in accordance with the manufacturer's instructions. The enamel will then be gently dried with air until a frosty-white appearance is observed.
A uniform coat of universal bonding primer (Ortho Solo, Ormco Corp., Glendora, California, USA) will be applied to the etched surfaces using a nylon bond brush. Each tooth will receive a gentle air blow for 2 seconds with the air stream directed perpendicular to the enamel surface. After etching and priming, a thin layer of adhesive (Green Glow, Ormco Corp., Glendora, California, USA) will be applied to the mesh base of each bracket, which will be positioned on the buccal surface of the tooth using a bracket holder. The bracket height will be determined according to the manufacturer's instructions. Any excess adhesive will be carefully removed from around the base of the bracket with a dental probe prior to curing, without disturbing the seated bracket. The adhesive will then be light-cured for 20 seconds.
In the intervention group, Damon Ultima brackets (Ormco Corp., Glendora, California, USA) will be bonded from the second molar to the second molar in each arch. In the comparison group, MBT Mini Diamond brackets (Ormco Corp., Glendora, California, USA) will be bonded from the second molar to the second molar in each arch. Damon Ultima archwires (Ormco Corp., Glendora, California, USA) will be used for both groups in the following sequence: 0.014-inch CuNiTi, 0.018-inch CuNiTi, and 0.014 × 0.0275-inch CuNiTi.
All patients will receive an oral hygiene kit, a brochure on dietary recommendations, and a printed questionnaire to assess pain during treatment (developed for the study). Patients will be reviewed every 8 weeks, during which gingival index, plaque index, photographs, intraoral scans, and questionnaires will be collected. Patients will also be instructed to contact the operator immediately and attend as soon as possible in the event of bracket bond failure. The treatment will be followed up for 6 months.
114 studies on the registry are indexed under Patient Compliance; 38 are open to participants now.
This study's enrollment of 34 is below the median of 120 across 87 interventional studies indexed under Patient Compliance.
Browse Patient Compliance studies →University of Baghdad is the lead sponsor of 164 studies on the registry; 66 are open to participants now.
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Exclusion Criteria:
Damon Ultima Self-ligating Brackets
Device: passive self-ligating, Damon Ultima brackets
MBT Mini Diamond Conventional brackets
Device: Conventional ligation, MBT brackets
Patients will receive Damon Ultima self-ligating brackets (Ormco Corp., Glendora, California, USA) bonded from the second molar to the second molar in each arch. Archwires will follow a standardized sequence: 0.014-inch CuNiTi, 0.018-inch CuNiTi, and 0.014 × 0.0275-inch CuNiTi (Ormco Corp., Glendora, California, USA). All bonding procedures will follow a standardized protocol, including enamel cleaning, acid etching, primer application (Ortho Solo), and adhesive curing (Green Glow).
Patients will receive MBT Mini Diamond brackets (Ormco Corp., Glendora, California, USA) bonded in the same manner, with the same archwire sequence.
Degree of orthodontic treatment improvement assessed using ABO Discrepancy Index
Description: Evaluation of improvement in tooth rotation/alignment, overjet, overbite, occlusal relationship, interproximal contact, and cephalometric parameters. Time Frame: At multiple time intervals during the alignment stage (up to 6 months). Method: American Board of Orthodontics Discrepancy Index scoring system. Unit of Measure: DI points
Time frame: 6 months
Reduction in Malocclusion Assessed by Peer Assessment Rating (PAR) Index
Description: Measurement of the rate of dental alignment during treatment. Time Frame: At multiple time intervals during the alignment stage (up to 6 months). Method: Standardized PAR scoring applied to digital dental casts. Unit of Measure: PAR score
Time frame: 6 months
Improvement in Malocclusion Severity Assessed by Index of Orthodontic Treatment Need (IOTN-DHC)
Description: Comparison of treatment need improvement before treatment and after completion of the alignment stage. Time Frame: Baseline and after alignment stage (approximately 6 months). Method: IOTN-DHC assessment. Unit of Measure: IOTN grade.
Time frame: 6 months
Changes in Oral Hygiene and Gingival Health During Treatment
Description: Assessment of oral hygiene and gingival health status during treatment. A composite score will be calculated by averaging Plaque Index (Silness \& Löe) and Gingival Index (Löe \& Silness) values. Time Frame: At each follow-up visit during the alignment stage (up to 6 months). Method: Plaque Index and Gingival Index, combined into a single composite score. Unit of Measure: Composite oral hygiene score.
Time frame: 6 months
Incidence of Bracket Bonding Failures During Treatment
Description: Number of bracket debonding incidents per patient during treatment. Time Frame: Throughout the alignment stage (up to 6 months). Method: Clinical records of bonding failure incidence. Unit of Measure: Number of debonded brackets per patient
Time frame: 6 months
Patient Pain Perception During Orthodontic Treatment
Description: Evaluation of patient pain perception during orthodontic treatment. Time Frame: After appliance placement and at specified time intervals during the alignment stage (up to 6 months). Method: Visual Analogue Scale (VAS). Unit of Measure: VAS score (0-10 scale).
Time frame: 6 months
Patient-Reported Smile Attractiveness and Confidence
Description: Assessment of patients' self-perception of smile aesthetics, confidence, and impact of orthodontic treatment on quality of life. Responses are collected using a structured questionnaire with multiple-choice and Likert-type questions (e.g., agreement scales, confidence levels, frequency of behaviors). Time Frame: Before treatment and at different time intervals during the alignment stage (up to 6 months). Method: Self-administered questionnaire developed for the study. Unit of Measure: Proportion of patients selecting each response category.
Time frame: 6 months
Plan to share: No — No Plan to Share IPD because this trial is a prospective study and yet we can't promise for any sharing
This study is active, not recruiting, as verified in Sep 2025. You cannot join it, but the record below documents what was studied.
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University of Baghdad