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NCT Number: NCT07361172

Ready-made vs. Custom-made Carriere Motion Appliance

The aim of this study is to evaluate the effect of custom-made CMA vs. the ready-made CMA.

Recruiting

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Key information

Conditions

Class II Malocclusion Malocclusion Malocclusion, Angle Class II Overbite Stomatognathic Diseases Tooth Diseases

Age range

12 year–16 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Faculty of Dentistry, Mansoura University

Al Mansurah, Adakhlia, 35511, Egypt

Location status: Recruiting

Location contact

Eglal A. Ghozy, PhD

CONTACT

[email protected]

01121441414

Eglal A. Ghozy, PhD

PRINCIPAL_INVESTIGATOR

Nehal F. Albelasy, PhD

SUB_INVESTIGATOR

About this study

The aim of this study is to evaluate the effect of custom-made CMA from brackets, buccal tubes, stiff wire, and NiTi coil springs and compare it with the ready-made CMA.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients age (12-15) years.
  • Full permanent dentition.
  • Class II malocclusion with at least an end-on Class II molar relationship bilaterally.

Exclusion criteria

  • Systemic conditions that may interfere with the treatment.
  • Bad habits that might jeopardize the appliance.
  • Transverse discrepancy.
  • Previous orthodontic treatment.

Treatment and study plan

Custom-made Carriere motion appliance

Device

custom-made CMA from brackets, buccal tubes, stiff wire, and NiTi coil springs to treat class II malocclusion by molar distalization.

Ready-made Carriere motion appliance

Device

Ready-made Carriere motion appliance to treat class II malocclusion by molar distalization.

Primary outcomes

  1. Treatment duration

    Time frame: up to 6 months from the start of treatment until the date of first documented progression

    in about 6 months from the start of treatment till reaching class I molar relation

  2. Skeletal and dental changes

    Time frame: up to 6 months from the start of treatment until the date of first documented progression

    angular and linear cephalometric measurements

Secondary outcomes

  1. Soft tissue changes

    Time frame: up to 6 months from the start of treatment until the date of first documented progression

    angular and linear cephalometric measurements

  2. Patient satisfaction

    Time frame: up to 6 months from the start of treatment until the date of first documented progression

    patient questionnaire about oral health related quality of life: their satisfaction and discomfort

Study contacts

Contact information is provided by the study sponsor or research team.

Eglal A. Ghozy, PhD

CONTACT

[email protected]

+201121441414

Sponsors and collaborators

Lead sponsor

Mansoura University

Other

Registry information

Official study title

Ready-made vs. Custom-made Carriere Motion Appliance: A Randomized Clinical Trial

Important dates

Study start
2025
Primary completion
2025
Study completion
2026
First posted
Jan 22, 2026
Registry last updated
Jan 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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