Class II Malocclusion
Conditions
Keywords
twin block , functional appliance , low level laser , photobiomodulation
Brief summary
this is a controlled clinical trial with 2 groups of patients of class II skeletal discrepancy due to mandibular retrusion one group is treated with twin block functional appliance and the other with twin block combined with low level laser therapy ,the study aims to detect the effect of low level laser on the skeletal outcomes , dentoalveolar outcomes, rate of correction and pain during treatment
Interventions
2 parallel groups one is treated with twin block and the other is treated with twin block combined with low level laser therapy
2 parallel groups one is treated with twin block and the other is treated with twin block combined with low level laser therapy
Sponsors
Study design
Eligibility
Inclusion criteria
* Age (early permanent dentition) * Cervical maturation stage CS 3-4 * Skeletal class II due to mandibular retrusion. * Overjet more than 4mm.
Exclusion criteria
* Cleft lip or palate. * Systemic diseases. * Previous orthodontic treatment or abnormal habits. * Congenital craniofacial deformity. * poor oral hygiene
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| treatment time | 8 months | comparison of treatment between the 2 different groups |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| cephalometric measurements | 8 months | digital tracing of pre and post treatment cephalograms of both groups and comparison of linear and angular measurements |
| study cast analysis | 8 months | cast analysis of both groups measuring arch perimeter , intercanine wisth and intermolar width |
| the short form McGill pain questionnaire | 1 month | comparison of questionnaire results between the 2 groups |
Countries
Egypt