NCT07676695

Brief Summary

Evaluation of the efficacy of early treatment of skeletal class II patients with twin-block in conjunction with low intensity pulsed ultrasound on temporomandibular joint region: a prospective clinical trial

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
24

participants targeted

Target at below P25 for not_applicable

Timeline
11mo left

Started Jun 2026

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress12%
Jun 2026Jun 2027

First Submitted

Initial submission to the registry

June 16, 2026

Completed
2 days until next milestone

Study Start

First participant enrolled

June 18, 2026

Completed
12 days until next milestone

First Posted

Study publicly available on registry

June 30, 2026

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2027

Last Updated

June 30, 2026

Status Verified

June 1, 2026

Enrollment Period

1 year

First QC Date

June 16, 2026

Last Update Submit

June 27, 2026

Conditions

Keywords

Class II div 1Twin BlockCBCTLIPUS

Outcome Measures

Primary Outcomes (1)

  • linear measurements of condylar head

    Condylar head length (mm).

    9 months

Study Arms (2)

Control

NO INTERVENTION

This group only receives functional treatment with twinblock without ultrasound

Lipus

EXPERIMENTAL

This group receives low intensity pulsed ultrasound inconjunction with functional treatment using twinblock

Device: ultrasound

Interventions

low intensity pulsed ultrasound

Lipus

Eligibility Criteria

Age10 Months - 14 Months
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Skeletal class II due to retrognathic mandible.
  • Angle's class II Molar relationship.
  • All patients involved in the study were in stages II and III based on the modified cervical vertebral maturation stages (CVMS) by Bacetti et al.5
  • Proclined upper incisors
  • Increased overjet \> 5 mm.
  • Aligned lower arch or average inclination
  • Minimal crowding of lower arch.
  • No history of previous orthodontic treatment.

You may not qualify if:

  • Skeletal class II due to prognathic maxilla.
  • Patient with gross facial asymmetry.
  • Previous orthodontic or orthopedic treatment.
  • Clinical signs and symptoms of any Temporomandibular joint disorders.
  • Increased anterior facial vertical dimension.
  • Poor oral hygiene.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Alazhar University in cairo

Cairo, 19777, Egypt

RECRUITING

MeSH Terms

Conditions

Malocclusion, Angle Class II

Interventions

Ultrasonography

Condition Hierarchy (Ancestors)

MalocclusionTooth DiseasesStomatognathic Diseases

Intervention Hierarchy (Ancestors)

Diagnostic ImagingDiagnostic Techniques and ProceduresDiagnosis

Study Officials

  • Khaled Fa Abdallah

    Alazhar university in cairo

    STUDY DIRECTOR

Central Study Contacts

Hatem Re Abdelhamid

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principle investigator

Study Record Dates

First Submitted

June 16, 2026

First Posted

June 30, 2026

Study Start

June 18, 2026

Primary Completion (Estimated)

June 30, 2027

Study Completion (Estimated)

June 30, 2027

Last Updated

June 30, 2026

Record last verified: 2026-06

Data Sharing

IPD Sharing
Will not share

Locations