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.
The above method will be compared with traditional one which uses the Facemask in combination with an intra-oral appliance.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
20
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.
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.
Shaheed Beheshti dental school
Tehran, Iran
Cephalometric angles and clinical features
Time frame: At least 6 months
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