CEPHALOMETRIC EVALUATION OF FACIAL VERTICAL CHANGES FOLLOWING FIXED ORTHODONTIC TREATMENT WITH EXTRACTION OF FOUR FIRST PREMOLARS IN PATIENTS WITH CLASS I MALOCCLUSION

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GHAZI MOHAMMAD REZA; AZARBAYEJANI SAEED; MEHRABI ZAHRA; ABANGAH MOJTABA

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Journal: Journal of Isfahan Dental School Year:2018 | Volume:13 | Issue:4 Page(s): 384-390

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Title

CEPHALOMETRIC EVALUATION OF FACIAL VERTICAL CHANGES FOLLOWING FIXED ORTHODONTIC TREATMENT WITH EXTRACTION OF FOUR FIRST PREMOLARS IN PATIENTS WITH CLASS I MALOCCLUSION

Author(s)

GHAZI MOHAMMAD REZA | AZARBAYEJANI SAEED | MEHRABI ZAHRA | ABANGAH MOJTABA | Issue Writer Certificate

Keywords

ANGLE CLASS I MALOCCLUSIONQ1

FACEQ2

TOOTH EXTRACTIONQ2

Abstract

Introduction: Extraction of premolars as a part of orthodontic treatment is one of the controversial topics in current dentistry. According to some theories, extraction of first premolars results in a decrease in facial height. The aim of this study was to evaluate the effect of extraction of four first premolars on facial height in patients with class I malocclusion undergoing fixed orthodontic treatment.Materials& Methods: This retrospective study was conducted on 20 patients (17 females and 3 males) with a mean age of 26.6 years. As a part of orthodontic treatment, the four first premolars had been extracted. Pre- and post-treatment lateral cephalometric radiographs of the patients were digitized. Image analyses were conducted by View Box 3.1.1. Paired t-test was used to compare each variable before and after treatment (a=0.05).Results: Mean changes in cephalometric angles in the vertical and sagittal dimensions were not significant, and linear cephalometric variables did not exhibit any significant changes before and after treatment, except for FMA angle which increased significantly (p value<0.05).Conclusion: In the treatment of patients with class I malocclusion in association with extraction of four first premolars, there were no changes in the facial height. Therefore, orthodontic treatment with extraction of the four first premolars does not result in unfavorable skeletal changes.

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APA: Copy

GHAZI, MOHAMMAD REZA, AZARBAYEJANI, SAEED, MEHRABI, ZAHRA, & ABANGAH, MOJTABA. (2018). CEPHALOMETRIC EVALUATION OF FACIAL VERTICAL CHANGES FOLLOWING FIXED ORTHODONTIC TREATMENT WITH EXTRACTION OF FOUR FIRST PREMOLARS IN PATIENTS WITH CLASS I MALOCCLUSION. JOURNAL OF ISFAHAN DENTAL SCHOOL, 13(4 ), 384-390. SID. https://sid.ir/paper/126217/en

Vancouver: Copy

GHAZI MOHAMMAD REZA, AZARBAYEJANI SAEED, MEHRABI ZAHRA, ABANGAH MOJTABA. CEPHALOMETRIC EVALUATION OF FACIAL VERTICAL CHANGES FOLLOWING FIXED ORTHODONTIC TREATMENT WITH EXTRACTION OF FOUR FIRST PREMOLARS IN PATIENTS WITH CLASS I MALOCCLUSION. JOURNAL OF ISFAHAN DENTAL SCHOOL[Internet]. 2018;13(4 ):384-390. Available from: https://sid.ir/paper/126217/en

IEEE: Copy

MOHAMMAD REZA GHAZI, SAEED AZARBAYEJANI, ZAHRA MEHRABI, and MOJTABA ABANGAH, “CEPHALOMETRIC EVALUATION OF FACIAL VERTICAL CHANGES FOLLOWING FIXED ORTHODONTIC TREATMENT WITH EXTRACTION OF FOUR FIRST PREMOLARS IN PATIENTS WITH CLASS I MALOCCLUSION,” JOURNAL OF ISFAHAN DENTAL SCHOOL, vol. 13, no. 4 , pp. 384–390, 2018, [Online]. Available: https://sid.ir/paper/126217/en

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