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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
ORIGINAL ARTICLE Table of Contents   
Year : 2013  |  Volume : 17  |  Issue : 2  |  Page : 163-168
Oral carriage of enterobacteriaceae among school children with chronic nail-biting habit


Department of Oral Pathology and Microbiology, Vydehi Institute of Dental Sciences and Research Centre, Bangalore, Karnataka, India

Correspondence Address:
Sushma Reddy
Department of Oral pathology and Microbiology, Vydehi Institute of Dental Sciences and Research Centre, 82, EPIP Area, Whitefield, Bangalore - 560 066, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-029X.119743

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Context: Onychophagia or habitual nail-biting is widespread among children and adolescents, between 10 and 18 years. Prevalence estimates range from 30% during childhood to 45% in adolescence. Nail-biting habit can result in autoinoculation of pathogens and transmission of infection between body parts. Aims: The purpose of the study was to evaluate the differences in prevalence of Enterobacteriaceae (E. coli and Enterobacter spp) in saliva samples from subjects with and without chronic nail-biting habit. Subjects and Methods: One hundred and twenty-two subjects with chronic nail-biting habit and 122 subjects with no oral habit were enrolled in the study. All subjects were aged 11-15 years. The saliva samples were collected by oral rinse technique, samples were studied microbiologically. Statistical Analysis Used: Two-tailed Student's t-test and Chi-square/Fisher's exact test were used to find the significance of study parameters between the groups. Results: Enterobacteriaceae were detected in the saliva samples of 80 of the 122 nail-biting subjects, whereas Enterobacteriaceae were detected in the saliva samples of only 10 of the 122 subjects who were not nail-biters. This difference in prevalence was statistically significant (P < 0.001). Conclusions: Our results suggest a higher carriage of Enterobacteriaceae in the individuals having nail-biting habits when compared to individuals with no habits. Further studies need to be done to know the prevalence of Enterobacteriaceae species in different age groups.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
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