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OpenTrials
Completed

NCT Number: NCT07270653

Assesment of Tempromandibular Joint ( TMJ ) Changes After Treatment of Skeletal Class II Cases by Twinblock vs Monoblock Appliances

Assesment of TMJ changes after treatment of skeletal classII growing patients by Twinblock vs Mono block applinces

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Key information

Conditions

Skeletal Class II Malocclusion

Age range

9 year–12 year

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Facility of dentistry, Alazhar university, girls branch

Cairo, Egypt

About this study

Group (A): patients were treated by Twin block appliance Group (B): patients were treated by Mono block appliance

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • skeletal class II malocclusion
  • Defecient mandible
  • ANB >4
  • Growing female patients
  • Age from 9-12 years

Exclusion criteria

  • TMJ disease

Treatment and study plan

Twin Block

Device

Treatment of Skeletal class II by mandibular advancement using twinblock appliances ( removable myofunctional appliance)

Mono block

Device

Treatment of Skeletal class II by mandibular advancement using Mono block appliances ( removable myofunctional appliance)

Primary outcomes

  1. Assessment of Tempromandibular changes including, condylar volume ( in cubic millimeters), length ( in millimeters) , height ( in millimeters) and position( in millimeters)

    Time frame: 8-12 months

    full skull CBCT

Sponsors and collaborators

Lead sponsor

Faculty of Dental Medicine for Girls

Other Gov

Registry information

Official study title

Assessment of Tempromandibular Joint Changes After Treatment of Skeletal Class II Growing Patients by Twin Block Versus Monoblock

Important dates

Study start
2023
Primary completion
2025
Study completion
2025
First posted
Dec 8, 2025
Registry last updated
Dec 8, 2025

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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