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Article

Associations among Bruxism, Gastroesophageal Reflux Disease, and Tooth Wear

1
State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, Shaanxi, China
2
Department of Immunology, The Fourth Military Medical University, Xi’an 710032, Shaanxi, China
3
Department of Epidemiology, School of Public Health, The Fourth Military Medical University, Xi’an 710032, Shaanxi, China
4
Department of Endodontics, The Dental College of Georgia, Augusta University, 1430, John Wesley Gilbert Drive, Augusta, GA 30912-1129, USA
*
Authors to whom correspondence should be addressed.
J. Clin. Med. 2018, 7(11), 417; https://doi.org/10.3390/jcm7110417
Received: 7 October 2018 / Revised: 2 November 2018 / Accepted: 3 November 2018 / Published: 6 November 2018
(This article belongs to the Special Issue Sleep Bruxism—The Controversial Sleep Movement Activity)
The relationship between bruxism and tooth wear is contentious in the literature. The pathophysiological processes of tooth wear may be complicated by the relationship between bruxism and gastroesophageal reflux disease (GERD). The objective of this study was to evaluate the associations among bruxism, GERD, and tooth wear. Two complementary studies were performed: a case-control study to verify the linkage between GERD and bruxism and a cross-sectional study on the same cohort to establish the connection between GERD and tooth wear in bruxism patients. A cohort of 363 consecutive bruxism patients and 363 matched control participants were recruited. Gastroesophageal reflux disease was diagnosed in accordance with the Montreal criteria. Tooth wear was scored based on the index recommended by Smith and Knight. Logistic regression analyses were performed. After adjustment, GERD was identified as a risk factor of bruxism. Bruxism with reflux symptoms for extensive time-periods was associated with severe tooth wear for the whole dentition (odds ratio, 4.70, 95% confidence interval, 2.04–10.83). Increased odds ratios for severe tooth wear were also found in all tooth locations and palatal/lingual and occlusal/incisal surfaces of bruxism patients with GERD for extensive time-periods. In conclusion, strong associations were identified among bruxism, GERD, and tooth wear. View Full-Text
Keywords: tooth attrition; tooth erosion; bruxism; gastroesophageal reflux tooth attrition; tooth erosion; bruxism; gastroesophageal reflux
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MDPI and ACS Style

Li, Y.; Yu, F.; Niu, L.; Hu, W.; Long, Y.; Tay, F.R.; Chen, J. Associations among Bruxism, Gastroesophageal Reflux Disease, and Tooth Wear. J. Clin. Med. 2018, 7, 417. https://doi.org/10.3390/jcm7110417

AMA Style

Li Y, Yu F, Niu L, Hu W, Long Y, Tay FR, Chen J. Associations among Bruxism, Gastroesophageal Reflux Disease, and Tooth Wear. Journal of Clinical Medicine. 2018; 7(11):417. https://doi.org/10.3390/jcm7110417

Chicago/Turabian Style

Li, Yuanyuan, Fan Yu, Lina Niu, Wei Hu, Yong Long, Franklin R. Tay, and Jihua Chen. 2018. "Associations among Bruxism, Gastroesophageal Reflux Disease, and Tooth Wear" Journal of Clinical Medicine 7, no. 11: 417. https://doi.org/10.3390/jcm7110417

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