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IP Indian Journal of Orthodontics and Dentofacial Research

Applicability of bolton's analysis: a study on Bhopal population

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Author Details: Heeralal Chokotiya, Siddhartha Sonwane, Abhishek Jain, Saumil Dwivedi, Pratibha Sharma, Jayesh Rai

Volume : 2

Issue : 3

Online ISSN : 2581-9364

Print ISSN : 2581-9356

Article First Page : 112

Article End Page : 114


Introduction: The ratios of maxillary and mandibular tooth sizes represent an important aspect in the diagnosis and treatment planning of an individual. Because different tooth sizes have been associated with different ethnic groups, it is logical to expect that differences in tooth widths can directly affect tooth-widths ratios.
Aims and Objectives: The aim of the study was to determine whether the mean overall and anterior ratio of Bhopal population would significantly differ from Caucasian (Bolton’s) values.
Material and Methods: The study was conducted on Bhopal (Madhya Pradesh, India) population. Subjects included randomly selected 70 Orthodontic patients, with age range of 12 to 18 years. Measurements obtained from the models included the maximum mesiodistal (MD) tooth sizes of all permanent teeth except second and third molars. The data collected was analyzed statistically. The total and anterior ratios were determined by Bolton‘s formula.
Results: No statistically significant differences were found among males and females for the anterior and overall ratios. The anterior ratio was significantly higher from Bolton’s standard while the overall ratio was not significantly different.

Mesio-distal tooth width, Bolton’s ratio