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      Applicability of Bolton's Analysis: A Study on Jaipur Population

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          ABSTRACT

          This study was undertaken to compare the Bolton's anterior and overall ratios among males and females in Jaipur population. One hundred study models (50 males and 50 females) of orthodontic patients were randomly selected from the Department of Orthodontics, Mahatma Gandhi Dental College, Jaipur. The normative data for the mesiodistal widths of males and females were established and the anterior and overall ratios were obtained for both males and females. It was observed that were no significant differences in both the ratios in males and females. Hence, both the ratios were obtained for the sample as a whole. These ratios were found to be similar to the Boltons standard with no significant differences. Therefore, it can be concluded that Boltons standards can be applied to this population irrespective of sex or ethnic background.

          How to cite this article: Trehan M, Agarwal S, Sharma S. Applicability of Bolton's Analysis: A Study on Jaipur Population. Int J Clin Pediatr Dent 2012;5(2):113-117.

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          Most cited references13

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          Mesiodistal Crown Diameters of the Deciduous and Permanent Teeth in Individuals

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            Bolton anterior tooth size discrepancies among different malocclusion groups.

            Orthodontic treatment comprises different phases with unique characteristics and challenges. The orthodontic "finishing" phase is recognized for the multitude of details necessary to achieve an excellent result. In some cases, the finishing phase is very difficult, requiring the production of complicated biomechanical forces to reach a satisfactory orthodontic solution. A high percentage of these finishing-phase difficulties arise because of tooth size imbalances that could have been detected and considered during initial diagnosis and treatment planning. The present study aimed to investigate the correlation between anterior tooth size discrepancies and Angle's Class I, II, and III malocclusions, as well as their prevalence in the Brazilian population from Belo Horizonte. We assessed the mesiodistal width of six anterior teeth in 300 patients, who were selected randomly. These patients were allocated to three groups according to their malocclusion. A chi-square test was performed to statistically compare the prevalence of anterior tooth size discrepancies among the three malocclusion groups and two genders. Analysis of variance was used to compare the mean Bolton anterior tooth size ratios as a function of Angle classification and gender. Statistical differences were determined at the 95% confidence level (P < .05). The important conclusions of our study are as follows: (1) Individuals with Angle Class I and Class III malocclusions show significantly greater prevalence of tooth size discrepancies than do individuals with Class II malocclusions; and (2) Mean anterior tooth size discrepancy for Angle Class III subjects was significantly greater than for Class I and Class II subjects.
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              Mesiodistal crown dimensions and tooth size discrepancy of the permanent dentition of Dominican Americans.

              The purpose of the study was to establish normative data on the mesiodistal crown dimensions of Americans of Dominican background. The Bolton tooth size analysis was performed on a sample of 54 Dominican Americans. The mean, range and standard deviation were calculated for the size of the teeth, and a coefficient of variation was obtained for the tooth size ratio. A 2-sample t-test was used to test for the statistical difference between means. In general, the values obtained for the Dominican American sample closely resembled previous data available for the African American population. The tooth size ratios obtained were compared to the Bolton ratios. The overall ratio was found to be 91.3, equivalent to the Bolton overall ratio, whereas the anterior ratio was 78.1, larger than the 77.1 Bolton ratio. The frequency of tooth size discrepancy outside 2 standard deviations from the Bolton mean was also calculated. An overall tooth size discrepancy was found in 11% of our sample, and 28% of the sample presented an anterior tooth size discrepancy.
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                Author and article information

                Contributors
                Journal
                Int J Clin Pediatr Dent
                Int J Clin Pediatr Dent
                IJCPD
                International Journal of Clinical Pediatric Dentistry
                Jaypee Brothers Medical Publishers
                0974-7052
                0975-1904
                May-Aug 2012
                08 August 2012
                : 5
                : 2
                : 113-117
                Affiliations
                Professor and Head, Department of Orthodontics and Dentofacial Orthopedics, Mahatma Gandhi Dental College and Hospital, Jaipur, Rajasthan, India, e-mail: mridula_jaipur@yahoo.com
                Senior Lecturer, Department of Orthodontics and Dentofacial Orthopedics, Mahatma Gandhi Dental College and Hospital, Jaipur Rajasthan, India
                Principal, Professor and Head, Department of Oral and Maxillofacial Surgery, Mahatma Gandhi Dental College and Hospital, Jaipur Rajasthan, India
                Article
                10.5005/jp-journals-10005-1147
                4148737
                825b08f1-5f5d-47f7-9aa2-a41c34ae75a6
                Copyright © 2012; Jaypee Brothers Medical Publishers (P) Ltd.

                This work is licensed under a Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/

                History
                : 21 December 2011
                : 24 January 2012
                Categories
                Research Article

                bolton's analysis,mesiodistal widths
                bolton's analysis, mesiodistal widths

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