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Comparison of direct and indirect methods in retraction of maxillary anterior teeth by mini-screw in orthodontic patients: A randomized clinical trial.

Comparison of direct and indirect methods in retraction of maxillary anterior teeth by mini-screw in orthodontic patients: A randomized clinical trial.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20200111046078N1
Enrollment
24
Registered
2020-03-22
Start date
2019-04-05
Completion date
Unknown
Last updated
2020-04-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malocclusion, Angle class II. Malocclusion, Angle's class II

Interventions

Intervention 1: Intervention group: Intervention group 1: direct en mass retraction: The treatment plan for all patients in both groups will include maxillary first premolar extraction on both sides.

Sponsors

Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1- Having permanent teeth 2- Good oral hygine 3. Skeletal pattern of Cl I or Cl II 4- No transverse anomaly 5. No systemic disease that has contraindication for orthodontic treatment 6. Not having any systemic or allergic disease that is contraindicated for the use of the skeletal anchorage unit. 7. Remaining more than 4 mm of space in the distal canine after Alignment & Leveling.

Exclusion criteria

Exclusion criteria: 1- Poor oral hygine 2- History of drug use 3. Systemic disease 4- Hormonal imbalance, Failed mini-screw.

Design outcomes

Primary

MeasureTime frame
Anchorage loss due to lateral cephalometric radiographics and oral scan. Timepoint: Lateral cephalometry at baseline (before treatment); oral scan after leveling & alignment; oral scan and lateral cephalometry after space closure. Method of measurement: Linear and angular measurements of variables from oinal scan and lateral cephalometry.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohammad Sadegh Nazari

Mashhad University of Medical Sciences

msn.dentist@yahoo.com+98 66 3313 3223

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026