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Year : 2015  |  Volume : 4  |  Issue : 3  |  Page : 77-82

Bolton tooth size ratio among Sudanese Population sample: A preliminary study

1 Department of Orthodontic, University of Medical Sciences and Technology, Dental College, Khartoum, Sudan
2 Orthodontic Section, Hamad Medical Corporation, Dental Centre, Rumailah Hospital, Doha, Qatar

Correspondence Address:
Ala'a Hayder Abdalla Hashim
Hamad Medical Corporation, Rumailah Hospital, Dental Centre, Orthodontic Section, P.O. Box 3050, Doha
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2278-0203.160240

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Background: The study of the mesiodistal size, the morphology of teeth and dental arch may play an important role in clinical dentistry, as well as other sciences such as Forensic Dentistry and Anthropology. Aims: The aims of the present study were to establish tooth-size ratio in Sudanese sample with Class I normal occlusion, to compare the tooth-size ratio between the present study and Bolton's study and between genders. Materials and Methods : The sample consisted of dental casts of 60 subjects (30 males and 30 females). Bolton formula was used to compute the overall and anterior ratio. The correlation coefficient between the anterior ratio and overall ratio was tested, and Student's t-test was used to compare tooth-size ratios between males and females, and between the present study and Bolton's result. Result s: The results of the overall and anterior ratio was relatively similar to the mean values reported by Bolton, and there were no statistically significant differences between the mean values of the anterior ratio and the overall ratio between males and females. The correlation coefficient was (r = 0.79). Conclusions : The result obtained was similar to the Caucasian race. However, the reality indicates that the Sudanese population consisted of different racial groups; therefore, the firm conclusion is difficult to draw. Since this sample is not representative for the Sudanese population, hence, a further study with a large sample collected from the different parts of the Sudan is required.

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