Volume 12, Number 1 (9 1999)                   jdm 1999, 12(1): 16-21 | Back to browse issues page


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Afshar H, Baradaran Nakhjavani Y, Akhavan P. Prevalence of ectopic eruption in first permanent molar in 8 years old Tehran school children. jdm. 1999; 12 (1) :16-21
URL: http://jdm.tums.ac.ir/article-1-560-en.html

Abstract:   (2691 Views)
In this study, by cluster simple random sampling, the prevalence of ectopic of first permanent molar in 8 years old Tehran school children is considered and determined as 0.87 percent The involvement of maxilla was more than mandible and the difference was significant. Bilateral involvement was more than unilateral and boys were more- than girls, how ever the differences were not significant. As for as the geographical distribution is considered, the differences were not noticeable, either.
Keywords: First molar, Ectopic
Full-Text [PDF 1389 kb]   (686 Downloads)    
Type of Study: Research | Subject: general
Published: 2013/09/21

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