The maxillary first molar distalization in orthodontic patient

A clinical trial to compare the effectiveness of miniscrew-supported appliances with pendulum appliance in maxillary first molar distalization in orthodontic patient

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200509047357N1

Enrollment

Registered

2020-05-18

Start date

2020-07-22

Completion date

Unknown

Last updated

2020-06-15

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

Conditions

Orthodontic. Fitting and adjustment of ileostomy and other intestinal appliances

Interventions

Intervention 1: Intervention group: Intervention group will receive miniscrew-supported appliances for maxillary first molar distalization. Intervention 2: Control group: Control group will receive co

Eligibility

Sex/Gender

All

Age

14 Years to 20 Years

Inclusion criteria

Inclusion criteria: Age of 14-20 years Class II malocclusion Class I and class II skeletal pattern

Exclusion criteria

Exclusion criteria: Miniscrew failure Having dental and bone lesions Having periodontal disease

Design outcomes

Primary

Measure	Time frame
The distance between lateral incisor distal contact to molars mesial contact. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).;Upper arch dimensions. Timepoint: Before and after the intervention. Method of measurement: Cephalometric radiograph.;The amount of distal molar movement. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).;Rate of tooth rotation. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).;Rate of root resorption. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).	—

Measure

Time frame

The distance between lateral incisor distal contact to molars mesial contact. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).;Upper arch dimensions. Timepoint: Before and after the intervention. Method of measurement: Cephalometric radiograph.;The amount of distal molar movement. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).;Rate of tooth rotation. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).;Rate of root resorption. Timepoint: Before and after the intervention. Method of measurement: Cone Beam Computed Tomography (CBCT).

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Secondary

Measure	Time frame
Rate of pain. Timepoint: Before and after the intervention. Method of measurement: A Visual Analogue Scale (VAS).	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHaniye Kazemi

Mashhad University of Medical Sciences

Haniyekazemi71@gmail.com+98 51 3883 2300

Outcome results

None listed

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