Comparative Results of Maxillary Deficiency Treatment by Tongue Plate and Facemask in Growing Patients
A new 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 appliance.
|Study Design:||Allocation: Randomized
Endpoint Classification: Safety Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Investigator)
Primary Purpose: Treatment
|Official Title:||This Study is to Apply the Tongue Force to Correct the Dentofacial Deformities|
- Cephalometric angles and clinical features [ Time Frame: At least 6 months ] [ Designated as safety issue: Yes ]
|Study Start Date:||September 2007|
|Study Completion Date:||November 2008|
|Primary Completion Date:||September 2008 (Final data collection date for primary outcome measure)|
Other: Tongue plate
A functional appliance use for maxillary protraction.It has two adams clasp and two C clasp to retained the appliance and long palatal plate in the canine area which cages the tongue and transfer the force of the tongue during physiological activity to the upper arch. It has posterior bite plate and middle screw for maxillary expansion.It should be used all the time except meal time and brushing the teeth,the acrylic appliance makes specifically for the patient.
Other Name: tongue appliance
An extraoral appliance use for treatment of maxillary deficiency in growing patients.It takes anchorage from chin and forehead, it has removable intraoral appliance with hooks for elastics that exerted a force of 300 gr.It should be used 14 hours a day.
Other Name: Reverse pull headgear
The above method will be compared with traditional one which uses the Facemask in combination with an intra-oral appliance.
|Iran, Islamic Republic of|
|Shaheed Beheshti dental school|
|Tehran, Iran, Islamic Republic of|
|Study Chair:||Lida Toomarian||Shaheed Beheshti dental school|
|Study Director:||Rahman Showkatbakhsh||Shaheed Beheshti dental shool|
|Principal Investigator:||Mahkameh Mirkarimi||Shaheed Beheshti dental shool|