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Comparative Results of Maxillary Deficiency Treatment by Tongue Plate and Facemask in Growing Patients

This study has been completed.
Information provided by:
Shahid Beheshti University of Medical Sciences Identifier:
First received: August 20, 2007
Last updated: December 18, 2008
Last verified: December 2008
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.

Condition Intervention Phase
Maxillary Deficiency
Other: Tongue plate
Other: Facemask
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
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

Further study details as provided by Shahid Beheshti University of Medical Sciences:

Primary Outcome Measures:
  • Cephalometric angles and clinical features [ Time Frame: At least 6 months ]

Enrollment: 20
Study Start Date: September 2007
Study Completion Date: November 2008
Primary Completion Date: September 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: A 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
Experimental: B Other: Facemask
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

Detailed Description:
The above method will be compared with traditional one which uses the Facemask in combination with an intra-oral appliance.

Ages Eligible for Study:   8 Years to 14 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Growing patients
  • Class III with maxillary deficiency

Exclusion Criteria:

  • Previous orthodontic treatment
  • Un cooperative patients
  Contacts and Locations
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Please refer to this study by its identifier: NCT00519415

Iran, Islamic Republic of
Shaheed Beheshti dental school
Tehran, Iran, Islamic Republic of
Sponsors and Collaborators
Shahid Beheshti University of Medical Sciences
Study Chair: Lida Toomarian Shaheed Beheshti dental school
Study Director: Rahman Showkatbakhsh Shaheed Beheshti dental shool
Principal Investigator: Mahkameh Mirkarimi Shaheed Beheshti dental shool
  More Information

Responsible Party: Mahkameh Mirkarimi, Shaheed Beheshti University Identifier: NCT00519415     History of Changes
Other Study ID Numbers: 13425678
Study First Received: August 20, 2007
Last Updated: December 18, 2008

Keywords provided by Shahid Beheshti University of Medical Sciences:
Tongue plate
class III maxillary deficiency
orthodontic angle class three

Additional relevant MeSH terms:
Jaw Abnormalities
Jaw Diseases
Musculoskeletal Diseases
Maxillofacial Abnormalities
Craniofacial Abnormalities
Musculoskeletal Abnormalities
Stomatognathic Diseases
Stomatognathic System Abnormalities
Congenital Abnormalities processed this record on April 24, 2017