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:: Volume 20, Issue 1 (Foll Text in Persian 2008) ::
J Iran Dent Assoc 2008, 20(1): 8-14 Back to browse issues page
Evaluation of rotational and vertical dimensional changes of face and jaws following the use of “Fa II “functional device in CL II female patients
Tahereh Hosseinzadeh-Nik , Amin Salem-Milani , Maryam Habibi * 1, Mohammad javad Kharazi-Fard
1- , e.mail:maryamhabyby@yahoo.com
Abstract:   (11812 Views)

  Evaluation of rotational and vertical dimensional changes of face and jaws following the use of “Fa II “functional device

in CL II female patients

 

  Dr. Hosseinzadeh-Nik T.,1 Dr. Salem-Milani A.,2 Dr. Habibi M.,3 Dr. Kharazi-Fard MJ.4

  1Associate Professor, Orthodontics Department, Faculty of Dentistry. Dental Research Center Tehran

  University / Medical Sciences, Tehran, Iran.2Dentist, Private Practice, Tehran, Iran. 3Orthodontist, Private Practice, Tehran, Iran. 4Biostatistics Consultant, Dental Research Center, Tehran University / Medical Sciences, Tehran, Iran.

 

 

  Abstract

  

 Background & Aim: The functional appliances can influence dentofacial growth of anterior-posterior posture of jaws. However, there would be some changes on other dimensions of face in pre-adolescent age group patients. The aim of this study was to demonstrate the influence of Fa II appliance on vertical and rotational growth of jaws in adolescent female cases.

 Materials & Methods: This clinical trial investigation was conducted with nineteen female CL II div.l participants who underwent functional therapy with Fa II appliance for 12-18 months. Lateral cephalograms were taken before and after treatment in order to compare them with untreated control subjects as well as the template group. Student t-test was used for statistical data analysis.

 Results: The analysis of data showed that vertical dimensions were increased specially in lower part of the face (P<0.01). No rotational changes occurred on the upper and lower jaws (mandible P=0.86 and maxilla P=0.58). Direct relationship was observed between increasing vertical dimension on the posterior part of the face and forward rotation of mandible (P=0.004) and dentoalveolar drift of mandible with backward rotation (P=0.034).

 Conclusion: Based on the results of this clinical trial,the Fa II functional appliance can increase the vertical dimension of face (posterior-anterior) and help with rotation of both jaws in positive directions which is preferable therapy for normal and short CL II cases.

 Key words: Skeletal CL II- functional appliance- Rotation.

 

 

  Corresponding Author: Dr. Habibi M., Orthodontist, Private Practice, Tehran, Iran.

  e.mail: maryamhabyby@yahoo.com

 

Keywords: Skeletal CL II, functional appliance, Rotation.
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Hosseinzadeh-Nik T, Salem-Milani A, Habibi M, Kharazi-Fard M J. Evaluation of rotational and vertical dimensional changes of face and jaws following the use of “Fa II “functional device in CL II female patients. J Iran Dent Assoc 2008; 20 (1) :8-14
URL: http://jida.ir/article-1-301-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 20, Issue 1 (Foll Text in Persian 2008) Back to browse issues page
Journal of Iranian Dental Association

AWT IMAGE

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly

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