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Assessment of Dentoskeletal Changes After Treatment of Skeletal classII by Twinblock Versus Monoblock Appliances

Assessment of Dentoskeletal Changes After Treatment of Skeletal classII Growing Patient by Twinblock Versus Monoblock Appliance

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07277543
Enrollment
18
Registered
2025-12-11
Start date
2023-10-25
Completion date
2025-09-25
Last updated
2025-12-11

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

Conditions

Dentoskeletal Changes in Skeletal classII

Brief summary

Assessment of dentoskeletal changes after treatment of skeletal classII growing patient by twin block versus mono block ,clinical trial stuy

Detailed description

Group(A):patients will be treated with twinbLock Group(B):patients will be treated with monobLock

Interventions

DEVICEwearing of twinblock after bite correction

bite registration at edge to edge position ,twin block wearing 15hrs/day

DEVICEwearing of monoblock after bite correction

bite registration at edge to edge position ,mono block wearing 15hrs/day

Sponsors

Faculty of Dental Medicine for Girls
Lead SponsorOTHER_GOV

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
9 Years to 12 Years
Healthy volunteers
No

Inclusion criteria

* Female patients to avoid any sexual dimorphism which may affect the comparison. * Skeletal Class II (ANB° \> 5°) with normal maxilla (SNA° = 82° ±4°) and retrognathic mandible (SNB° \< 87°). * Age range from 9 to 12 years.

Exclusion criteria

* Previous history of orthodontic treatment. * Congenitally missing or extracted permanent teeth. * Posterior cross bites or severe maxillary transverse deficiency. * Severe facial asymmetry determined by clinical or radiographic examination. * Poor oral hygiene. * Systemic diseases that may affect the treatment results.

Design outcomes

Primary

MeasureTime frameDescription
skeletal classII correction and dental changes8_12 monthstanderized extraoral radiograph and Cone-Beam Computed Tomography(CBCT)

Secondary

MeasureTime frameDescription
Assessment of airway changes8-12monthcone beam computed tomography(cbct)

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026