Dentoskeletal Effects of Two Different Fixed Functional Appliances for Correction of Class II Malocclusion: A Comparative Clinical Study

Dentoskeletal Effects of Two Different Fixed Functional Appliances for Correction of Class II Malocclusion: A Comparative Clinical Study

Fixed Functional Appliances comparisons in treatment of orthodontic class II malocclusion cases

Comparison between two types of fixed functional appliances, the first one is the Mandibular Protraction Appliances, while the second one was the PowerScope Appliance.

the treatment duration was 6 months the patients age was considered according to Baccetti et al, CVMI 3,4

Inclusion Criteria:

1. Skeletal and dental class II malocclusion with mandibular retrognathia, SNB>= 4.
2. Patients in cervical vertebral maturation index 3 -5.
3. Age ranged from 13-16 years.
4. Overjet ≥ 5 mm.
5. Minimum crowding in dental arches requiring no extraction of any permanent teeth (excluding third molars).
6. Good oral hygiene and general health.
7. No previous orthodontic treatment or jaw's surgery.

Exclusion Criteria:

• Class I skeletal malocclusion
• periodontally compromised patient
• patients have systemic diseases interfering with orthodontic treatment