RESEARCH ARTICLE


To Evaluate the Severity, Distribution of Occlusal Tooth Wear and its Correlation with Bite Force in Young North Indian Adults



Mandeep Kumar1, Rashmi Verma2, *, Mohit Bansal3, Sunint Singh4, Sharique Rehan4, Virender Kumar4, Dr. Simran5
1 Department of Prosthodontics, Rayat Bahra Dental College and Hospital, Mohali, Punjab, India
2 Private Practice, Akalchet Multispeciality Dental Clinic, Sector-37 C, Chandigarh, India
3 Department of Public Health Dentistry, Rayat Bahra Dental College & Hospital, Mohali, Punjab, India
4 Department of Prosthodontics, Dr. Harvansh Singh Judge Institute of Dental Sciences and Hospital, Sector 25, Panjab University, Chandigarh, India
5 Department of Conservative and Endodontics, Rayat Bahra Dental College & Hospital, Mohali, Punjab, India


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Creative Commons License
© 2018 Kumar et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Private Practice, Akalchet Multispeciality Dental Clinic, Sector-37 C, Chandigarh, India; Tel: +919915800993; E-mail: rashmiverma.in@gmail.com


Abstract

Aim:

To determine the severity and distribution of occlusal tooth wear among young North Indian adults and to evaluate the correlation of occlusal tooth wear with bite force.

Materials and Methods:

A total of 164 subjects were enrolled in the present study. Inclusion criteria included subjects with age range of 25-40 years having a full complement of natural dentition (excluding third molars), with no history of orthodontic treatment, FPD and trauma. Maxillary and mandibular casts of each subject were taken. Tooth wear score of anterior and posterior teeth of both the arches was calculated using a five-point (0 to 4) ordinal scoring system. The calculated tooth wear scores were then compared with data concerning age, sex, number of daily meals, vegetarian/non-vegetarian diet, Group function/Canine guided occlusion and bite force. Nonparametric (Mann-Whitney) test was used to determine the relationship between various factors and occlusal tooth wear. Spearman’s correlation coefficient was used to determine the correlation between tooth wear and bite force.

Results:

After applying statistical analysis to the data collected, total tooth wear score of the whole sample was 30.07 ± 6.39. Anterior teeth had significantly higher wear score than posteriors (P < 0.01). Males showed significantly higher (P < 0.001) tooth wear in both arches factors such as bite force and age showed significant correlation with tooth wear (P=0.000), however, the number of meals taken per day did not show any significant correlation. Higher tooth wear loss was seen in non vegetarian dietary pattern but it was statistically insignificant. It was also found that Group function occlusion showed significantly higher mean tooth wear loss 45.76 ± 9.19 as compared to Canine guided occlusion 26.37 ± 10.68 (P=0.000).

Keywords: Bite force, Occlusal tooth wear, Young adults, Anterior teeth, Nonparametric test, Maxillary and mandibular casts.