Chewing Side Preference – Impact on Facial Symmetry, Dentition and Temporomandibular Joint and its Correlation With Handedness

Tiwari, Shreyasi and Nambiar, Supriya and *, Unnikrishnan B (2017) Chewing Side Preference – Impact on Facial Symmetry, Dentition and Temporomandibular Joint and its Correlation With Handedness. Journal of Orofacial Sciences, 9 (1). pp. 22-27. ISSN 09758844

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Abstract

Introduction: Habitual unilateral chewing develops subconsciously and serves as an example for lateral preference. This study aims to assess the possible impact of chewing side preference to facial asymmetry, temporomandibular joint (TMJ) and oral hygiene and existence of any link between the preferred chewing side (PCS) and handedness. Materials and Methods: A 2-month cross-sectional (observational) study was performed on 76 healthy dentate subjects [24 males (31.6%) and 52 females (68.4%)] with a mean age of 20.8 ± 1.5 years who participated in this study according to the selection criteria. Results: A total of 75 subjects out of 76 (98.6%) were observed to have a PCS. Out of them, 38 chewed on their right and 37 on the left side. Of the 74 right-handed subjects, 48.6% chewed on the right, 50% on the left and 1.4% chewed equally on both the sides. Conclusion: Chewing side preference has a detrimental effect on theTMJ of the corresponding side andis also related to lateral facial asymmetry, which suggests that examination and recording of chewing side preference merit consideration in routine dental examination and treatment planning.

Item Type: Article
Uncontrolled Keywords: Oral health, TMJ, unilateral chewing
Subjects: Dentistry > MCODS Mangalore > Orthodontics
Medicine > KMC Mangalore > Community Medicine
Depositing User: KMCMLR User
Date Deposited: 24 Jun 2017 10:25
Last Modified: 24 Jun 2017 10:25
URI: http://eprints.manipal.edu/id/eprint/149173

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