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:: Volume 18, Issue 4 (winter 2019) ::
J Ardabil Univ Med Sci 2019, 18(4): 497-505 Back to browse issues page
A study on the Frequency of Ectopic Eruption of Permanent First Molar and Canine in Patients Presenting to the university of Ardabil School of Dentistry, 2016- 2018
Keyvan Anoush , Haleh Valizadeh Haghi , Hamed Vahedi , Rahman Nemati , Hesam Mikaeeli Khyiavi
Department of Orthodontics, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
Abstract:   (930 Views)
Background & objectives: Ectopic eruption is a disorder in which the tooth does not follow its usual course and if not diagnosed in a timely manner, leads to occlusal problems. The aim of this study was to determine the frequency of ectopic eruption of the first permanent molar and canine in patients referred to Ardabil dental school.
Methods: By observing the panoramic radiographs, recorded from 2016 to 2017, the frequency of ectopic eruption of first permanent molars in children aged 5 to 8 years and permanent canine in children aged 10 to 13 years was determined. The frequency distribution based on sex, involved jaw, unilaterality and bilaterality were evaluated using Chi-Square test.
Results: the frequency of ectopic eruption of the first permanent molar and permanent canine was 2.1% and 6.4% respectively. There was no significant difference in the frequency of ectopic eruption of the first molar, based on the patient's gender (p=0.366), jaw (p=0.132), and unilateral or bilateral involvement (p=0.366).Also, there was no significant difference between the frequency of ectopic eruption of permanent canine and the patient's gender (p=0.384), unilateral or bilateral involvement (p=0.056). The ectopic eruption of the permanent canine in the maxilla was greater than the mandible (p=0.012).
Conclusions: In this study, the frequency values of ectopic eruption were 2.1% and 6.4% for the first permanent molar and permanent canine respectively that were in the range of other studies reported from other populations.
 
Keywords: Ectopic Eruption, First Permanent Molar, Permanent Canine, Frequency
Full-Text [PDF 152 kb]   (179 Downloads)    
Type of Study: article | Subject: دندانپزشکی
Received: 2018/10/22 | Accepted: 2018/12/21 | Published: 2018/12/31
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Anoush K, Valizadeh Haghi H, Vahedi H, Nemati R, Mikaeeli Khyiavi H. A study on the Frequency of Ectopic Eruption of Permanent First Molar and Canine in Patients Presenting to the university of Ardabil School of Dentistry, 2016- 2018 . J Ardabil Univ Med Sci. 2019; 18 (4) :497-505
URL: http://jarums.arums.ac.ir/article-1-1606-en.html


Volume 18, Issue 4 (winter 2019) Back to browse issues page
مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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