Maxillary molar distalization in patients who need orthodontic treatment

A clinical trial to compare the effectiveness of micro-implant based appliances with pendulum appliances for maxillary molar distalization in patients requiring orthodontic treatment

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20170128032230N2

Enrollment

Registered

2018-08-08

Start date

2018-12-11

Completion date

Unknown

Last updated

2018-09-11

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

Conditions

orthodontic. Other specified orthopaedic follow-up care

Interventions

Intervention 1: Control group: Treatment with pendulum appliance, a device that distalizes the maxillary molar teeth using dental and palatal anchorage with two active springs. Intervention 2: Interve

Eligibility

Sex/Gender

All

Age

12 Years to No maximum

Inclusion criteria

Inclusion criteria: Age higher than 12 years Dental Class II malocclusion and skeletal malocclusion class I or II Lack of growth maxillary second molars

Exclusion criteria

Exclusion criteria: Having certain systemic diseases In maturity or later of CS3 stages

Design outcomes

Primary

Measure	Time frame
The difference in the angle of the maxillary first molar. Timepoint: before and 3 months post-treatment. Method of measurement: cephalometric radiography.;The amount of root recession tooth. Timepoint: before and 3 months post-treatment. Method of measurement: cephalometric radiography.	—

Secondary

Measure	Time frame
The degree of pain as assessed. Timepoint: before and 3 months post-treatment. Method of measurement: visual analogue scale.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactHossein Khaki

Mashhad University of Medical Sciences

Hoseinkhaki88@gmail.com+98 51 3883 2300

Outcome results

None listed

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