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

Faculty of Dental Medicine for Girls

Status: Completed

Conditions: Dentoskeletal Changes in Skeletal classII

Treatments: Device: wearing of monoblock after bite correction; Device: wearing of twinblock after bite correction

Study type: Interventional

Funder types: Other

Identifiers

NCT07277543

ORTHO-108-2-H

Details and patient eligibility

About

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

Full description

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

Enrollment: 18 patients

Sex: Female

Ages: 9 to 12 years old

Volunteers: No Healthy Volunteers

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.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: None (Open label)

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18 participants in 2 patient groups

treatment of skeletal classII by twin block

Experimental group

Description:

growing patient wearing twin block appliance15 hrs/day

Treatment:

Device: wearing of twinblock after bite correction

treatment of skeletal classII by monoblock

Experimental group

Description:

growing patients wearing monoblck appliance15hrs/day

Treatment:

Device: wearing of monoblock after bite correction