A review on the chewing side preference: etiology, clinical implications and assessment methods

Seung-Woo Lee; Seung-Seok Chi; Kyung‐Ho Ko; Yoon‐Hyuk Huh; Lee‐Ra Cho; Chan‐Jin Park

doi:10.14368/jdras.2026.42.3.166

August 31, 2026Journal of Dental Rehabilitation and Applied ScienceOpen Access

A review on the chewing side preference: etiology, clinical implications and assessment methods

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Key Points

To review the underlying causes, diagnostic assessment techniques, and clinical relevance of chewing side preference in dental and stomatognathic function.
Literature review analyzing theoretical and empirical evidence on unilateral chewing patterns.
Evaluation of anatomical, physiological, and neuromuscular factors contributing to preferred chewing sides.
Synthesis of objective and subjective assessment modalities used to identify masticatory asymmetry.
Mastication relies on coordinated interaction among teeth, periodontal tissues, masticatory muscles, temporomandibular joints, and the central nervous system.
Persistent chewing side preference creates asymmetric mechanical loading that can contribute to temporomandibular disorders, muscle imbalances, and uneven dental wear.
Comprehensive clinical assessments require integrating patient reporting with functional measurements of jaw movement and muscle activity.

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Implication

Narrative review evaluates the mechanisms and diagnostic tools for chewing side preference, highlighting its impact on oral and musculoskeletal health.

Abstract

저작은 치아, 치주조직, 저작근, 턱관절 및 중추신경계 가 함께 관여하는 복합적인

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Cite This Study

Lee et al. (2026) studied this question.

synapsesocial.com/papers/6a9934cf636c6408cfa7c897 https://doi.org/10.14368/jdras.2026.42.3.166

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A review on the chewing side preference: etiology, clinical implications and assessment methods

Key Points

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A review on the chewing side preference: etiology, clinical implications and assessment methods

Key Points

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Implication

Abstract

Discussion

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