Patients with skeletal class II malocclusion who have a retracted lower jaw will be treated in this study. The efficacy of clear Plates in the treatment of Skeletal Class II Malocclusion will be assessed. The skeletal, dental and soft tissues changes resulted by this intervention will be studied and compared with the results of Traditional treatment with fixed appliances.
- Patients with mixed dentition at age 10.5-13 years.
The patient has Skeletal class II malocclusion caused by mandibular retraction ANB > 5, 8 mm >O.J> 5 mm, SNB<78, angle (NSAr) ≥ ° 125 and normal placement of the upper jaw.
The patient is willing to accept treatment with a removable device.
No previous orthodontic treatment
-Patients with periodontal disease.
patients with a neuromuscular disorder.
patients of class I or III of malocclusion.
Patients with temporomandibular joint disorder.