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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
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mandibular Protraction Appliance | Experimental | the first group that received Mandibular Protraction Appliance |
|
| PowerScope Appliances | Experimental | the first group that received PowerScope Appliances |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mandibular Protraction Appliance | Device | Mandibular Protraction Appliance was installed on fixed orthodontic appliance |
|
| Measure | Description | Time Frame |
|---|---|---|
| SNA angle (on Cephalometric radiograph) | Anteroposterior postition of maxilla in relation to the anterior cranial base (SN line) | 6 months |
| SNB angle (on Cephalometric radiograph) | Anteroposterior postition of mandible in relation to the anterior cranial base (SN line) | 6 months |
| ANB angle (on Cephalometric radiograph) | The relationaship between maxilla and mandible | 6 months |
| Effective mandibular length (mm) (on Cephalometric radiograph) | the length of the mandible (change in length before and after treatment) | 6 months |
| Mandibular plane angle (on Cephalometric radiograph) | the angle between inferior border of the mandible (Go Me) and the anterior cranial base (SN line) | 6 months |
| Maxillary incisors inclination (angle) (on Cephalometric radiograph) | The change of maxillary incisors inclination between the long axis of most protruded upper incisors and anterior cranial base (Sn line) | 6 months |
| Mandibular incisors inclination (angle) (on Cephalometric radiograph) | The change of mandibular incisors inclination between the long axis of most protruded upper incisors and anterior cranial base (Sn line) | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Upper lip retrusion (mm) (on Cephalometric radiograph) | the amount of upper lip retrusion in millimeter in relation to E line (line extended between pronasale and soft tissue pogonion points) | 6 months |
| Lower lip protrusion (on Cephalometric radiograph) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Abubakr M Fouad | Al-azhar university, Cairo - Egypt | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Abubakr Mohamed Fouad | Cairo | 002 | Egypt |
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2 treatment groups, both have class II malocclusion
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| PowerScope Appliance | Device | PowerScope Appliance was installed on fixed orthodontic appliance |
|
the amount of lower lip protrusion in millimeter in relation to E line (line extended between pronasale and soft tissue pogonion points) |
| 6 months |
| ID | Term |
|---|---|
| D057887 | Overbite |
| ID | Term |
|---|---|
| D008312 | Malocclusion, Angle Class II |
| D008310 | Malocclusion |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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