ORIGINAL ARTICLE |
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Year : 2016 | Volume
: 14
| Issue : 2 | Page : 139-143 |
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Prevalence of temporomandibular disorders and its association with parafunctional habits among senior-secondary school children of Lucknow, India
Kriti Agarwal, Sabyasachi Saha, Pooja Sinha
Department of Public Health Dentistry, Sardar Patel Postgraduate Institute of Dental and Medical Sciences, Lucknow, Uttar Pradesh, India
Correspondence Address:
Kriti Agarwal Department of Public Health Dentistry, Sardar Patel Postgraduate Institute of Dental and Medical Sciences, Utrathia, Raebareily Road, Lucknow, Uttar Pradesh India
Source of Support: None, Conflict of Interest: None | Check |
DOI: 10.4103/2319-5932.183809
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Introduction: Temporomandibular disorders (TMD) are defined as heterogeneous group of psychological disorders, commonly characterized by orofacial pain, chewing dysfunction, or both. Aim: To determine the prevalence of TMD and to describe the association between parafunctional habits and signs and symptoms of TMD among 15–17-year-old school children in Lucknow. Materials and Methods: This study followed a cross-sectional design, with a sample of 407 school children aged 15–17-year-old. A single, trained, calibrated investigator interviewed the participants according to Fonseca's Anamnestic Questionnaire-1994, which provided information on the prevalence of TMD, followed by the clinical examination of temporomandibular joint (TMJ) according to WHO (1997). Chi-square test and Univariate and Multivariate Logistic Regression analysis were used. Results: The prevalence of TMD was (22.4%). There was no statistically significant association was found between age, (P = 0.81) gender (P = 0.09) and TMD. Nail-biting (88.3%) was the most common habit, followed by clenching/grinding (68.4%) and mouth breathing (53.4%). However, habits and TMJ symptoms were found statistically significant P < 0.01 or P < 0.001 associated to TMD. Further, adjusted (age and gender) logistic regression analysis revealed that digit-sucking, mouth breathing, nail biting, and clenching has made a significant contribution to prediction (P < 0.001). Conclusion: The habits especially digit-sucking, mouth breathing, nail biting, and clenching had statistically significantly associated with TMD. |
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