Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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Original article / research
Year : 2017 | Month : September | Volume : 11 | Issue : 9 | Page : TC10 - TC13

An Evaluation of Dental Crowding in Relation to the Mesiodistal Crown Widths and Arch Dimensions in Southern Indian Population

Partha Jyoti Das, Winniecia Dkhar, Abhimanyu Pradhan

1. Postgraduate Student, Department of Medical Imaging Technology, Manipal University, Udupi, Karnataka, India. 2. Assistant Profesor, Department of Medical Imaging Technology, Manipal University, Udupi, Karnataka, India. 3. Assistant Profesor, Department of Medical Imaging Technology, Manipal University, Udupi, Karnataka, India.

Correspondence Address :
Dr. Winniecia Dkhar,
Assistant Profesor, Department of Medical Imaging Technology, Manipal University, Udupi-576104, Karnataka, India.
E-mail: winniecia.dkhar@gmail.com

Abstract

Introduction: With the advancement in imaging technology, 3D dental computed tomography plays a very significant role in orthodontic treatment and diagnosis.

Aim:To evaluate dental crowding in relation to the mesiodistal crown widths and arch dimensions and also to determine the differences of dental crowding among males and females, in Southern Indian population.

Materials and Methods: A total of 132 subjects were divided into two groups: crowded and non-crowded, each comprising 66 subjects (33 males and 33 females), aged between 15 and 35 years, who were referred for computed tomography scan of brain to the radiology department, were selected. During the scan both the jaws were included in the image. The 2D images were converted to 3D images using volume rendering software. By using measurement tool, individual and collective mesiodistal crown widths of canine, first and second premolar and first molar and arch perimeter of both the maxillary and mandibular jaws were measured.

Results: When both the gender were considered, the mesiodistal crown widths and arch perimeter were statistically significant for dental crowding in both mandibular jaw (p-value=0.001 for both mesiodistal crown width and arch perimeter) and maxillary jaw (p-value=0.016 for mesiodistal crown width and 0.002 for arch perimeter). However, when analysed separately, in males the mesiodistal crown widths and arch perimeter were statistically significant for dental crowding in both mandibular jaw (p-value=0.001 for mesiodistal crown width and 0.002 for arch perimeter) and maxillary jaw (p-value=0.002 for mesiodistal crown width and 0.001 for arch perimeter) but in females it was not statistically significant in any jaw (p-value=0.7 for mesiodistal crown width and 0.06 for arch perimeter in mandibular jaw and p-value=0.2 for mesiodistal crown width and 0.9 for arch perimeter for maxillary jaw). The crowded group had larger tooth size and smaller arch perimeter.

Conclusion: This study concluded that in males, both the factors i.e., mesiodistal crown width and arch dimensions contributed to dental crowding and the crowded dentition had larger mesiodistal tooth size and smaller arch dimensions; whereas, in females both the factors were not responsible for crowding in Southern Indian population.

Keywords

Computed tomography, Mesiodistal width, Non-crowding

How to cite this article :

Partha Jyoti Das, Winniecia Dkhar, Abhimanyu Pradhan. AN EVALUATION OF DENTAL CROWDING IN RELATION TO THE MESIODISTAL CROWN WIDTHS AND ARCH DIMENSIONS IN SOUTHERN INDIAN POPULATION. Journal of Clinical and Diagnostic Research [serial online] 2017 September [cited: 2017 Nov 24 ]; 11:TC10-TC13. Available from
http://www.jcdr.net/back_issues.asp?issn=0973-709x&year=2017&month=September&volume=11&issue=9&page=TC10-TC13&id=10554

DOI and Others

DOI: 10.7860/JCDR/2017/29642.10554

Date of Submission: May 19, 2017
Date of Peer Review: Jun 06, 2017
Date of Acceptance: Jul 20, 2017
Date of Publishing: Sep 01, 2017

FINANCIAL OR OTHER COMPETING INTERESTS: None.

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