Dentoskeletal Changes in Skeletal classII
Conditions
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
bite registration at edge to edge position ,twin block wearing 15hrs/day
bite registration at edge to edge position ,mono block wearing 15hrs/day
Sponsors
Study design
Eligibility
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
| Measure | Time frame | Description |
|---|---|---|
| skeletal classII correction and dental changes | 8_12 month | standerized extraoral radiograph and Cone-Beam Computed Tomography(CBCT) |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Assessment of airway changes | 8-12month | cone beam computed tomography(cbct) |
Countries
Egypt