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A new fixed appliance will be used to transfer the tongue force during its physiological activity to advance the nasomaxillary complex; this method will be compared with the traditional method which uses a facemask with a fixed appliance in the mouth.
The above method will be compared with traditional one which uses the facemask in combination with an intra-oral fixed appliance.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A | Experimental |
| |
| Group B | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Fixed Tongue Appliance | Device | A functional appliance used for maxillary protraction. It has two bands on first molars, expansion screw and long palatal plate in the canine area which cages the tongue and transfers the force of the tongue during physiological activity to the upper arch. |
| Measure | Description | Time Frame |
|---|---|---|
| Cephalometric angles and clinical features | At least 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Mohammad Behnaz, Orthodontist | Contact | 09123278021 | behnaz1357@yahoo.com |
| Name | Affiliation | Role |
|---|---|---|
| Rahman Showkatbakhsh, Professor | Shaheed Beheshti dental school | Study Chair |
| Mohammad Behnaz | Shahid Beheshti Dental school | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Shahid Beheshti Medical University | Recruiting | Tehran | Iran |
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| ID | Term |
|---|---|
| D063173 | Retrognathia |
| ID | Term |
|---|---|
| D007569 | Jaw Abnormalities |
| D007571 | Jaw Diseases |
| D009140 | Musculoskeletal Diseases |
| D019767 | Maxillofacial Abnormalities |
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| ID | Term |
|---|---|
| D008397 | Masks |
| ID | Term |
|---|---|
| D058257 | Surgical Attire |
| D004865 | Equipment and Supplies, Hospital |
| D004864 | Equipment and Supplies |
| D011482 | Protective Devices |
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|
|
| Fixed Face Mask | Device | An extra-oral appliance used for treatment of maxillary deficiency in growing patients. It takes anchorage from the chin and forehead, has a fixed intra-oral appliance with an expansion screw and hooks for elastics that exert a force of 300 gr. It should be used 14 hours a day. |
|
|
| D019465 |
| Craniofacial Abnormalities |
| D009139 | Musculoskeletal Abnormalities |
| D009057 | Stomatognathic Diseases |
| D008336 | Mandibular Diseases |
| D018640 | Stomatognathic System Abnormalities |
| D000013 | Congenital Abnormalities |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D000067393 | Personal Protective Equipment |
| D013523 | Surgical Equipment |
| D008420 | Manufactured Materials |
| D013676 | Technology, Industry, and Agriculture |