Prediction of space available for unerupted permanent canine and premolars in a Nepalese population

Journal of Orthodontics
Alok K JaiswalSunita Jaiswal

Abstract

To test the use of Moyers prediction method and Tanaka and Johnston's equations for use in a Nepalese population and to construct new probability tables and prediction formulae based on the actual tooth sizes in a sample of the Nepalese population. Cross-sectional. SOURCE AND SETTING: Dental, medical and nursing science students at the B.P. Koirala Institute of Health Sciences, Dharan, Nepal. The sample consisted of 100 Nepalese males and 100 females aged between 17 and 23 years. Subjects without any previous orthodontic treatment, fully erupted permanent teeth and with no dental anomalies were recruited. Dental study models were taken and measurements of the mesio-distal widths of teeth were carried out using digital caliper. The measured values were compared with predicted values derived from Moyers method and Tanaka and Johnston equations. Independent t tests were used to examine differences between genders. Correlation coefficients and linear regression equations were used to compare the actual Nepalese tooth widths with predicted values Moyers method at 50% tends to underestimate the actual width of the canine and premolars in males by 0.3 mm and overestimate the width in females by 0.2 mm. The Tanaka and Johnston method t...Continue Reading

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Citations

Jan 8, 2014·Progress in Orthodontics·Ahmad S Burhan, Fehmieh R Nawaya
Jul 6, 2014·Journal of Orthodontic Science·Iman BugaighisHawa Elmouadeb
Jun 20, 2014·European Archives of Paediatric Dentistry : Official Journal of the European Academy of Paediatric Dentistry·S MokhtariB Khosravanifard
Aug 4, 2016·BMC Oral Health·Rajesh GyawaliRajiv Yadav
Jan 23, 2017·European Archives of Paediatric Dentistry : Official Journal of the European Academy of Paediatric Dentistry·A BhatnagarT R Chaitra
Dec 20, 2013·Dental press journal of orthodontics·Mariana de Aguiar Bulhões GalvãoSolange Mongelli de Fantini
Dec 14, 2018·BMC Oral Health·Jamal GiriKashmira Pokhrel

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