International Journal of Clinical Pediatric Dentistry

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VOLUME 14 , ISSUE S1 ( Special Issue (Pediatr Orthodont), 2021 ) > List of Articles


Comparative Evaluation of Occlusal Bite Force in Relation to the Muscle Activity in the Mixed Dentition Children of Age Group 9–12 Years: A T-scan Analysis

Tanuja Prabahar, Nisha Gupta, Nagalakshmi Chowdhary, Nithin Kumar Sonnahalli, Vundela Rajashekar Reddy

Keywords : EMG, Mixed dentition, Occlusal bite force, T-scan

Citation Information :

DOI: 10.5005/jp-journals-10005-2019

License: CC BY-NC 4.0

Published Online: 27-12-2021

Copyright Statement:  Copyright © 2021; The Author(s).


Aim and objective: Compare and evaluate the muscle activity and the occlusal force between the mixed dentition boys and girls of 9–12 years. Materials and methods: The study included 15 boys and 15 girls. The occlusal force and activity of the masseter and temporalis muscle were measured with a T-scan device using a sensor, a module to transmit the signals to a computer and the complete data of the bite force and muscle activity with the EMG recordings and data were collected and evaluated. Results: Relative occlusal force in the primary and permanent molars between the boys and girls showed no significant difference on the left side compared to the right. The electromyography values of masseter and temporalis in boys and girls showed a significant difference in which (TAR and MMR), (TAR and MML), (TAL and MMR), and (TAL and MML) are significant. The overall paired sample statistics showed higher muscle activity in masseter. Conclusion: T-scan analysis has proved to be a dependable method for the evaluation of occlusal bite force with the muscle activity interpretation using EMG. This study concluded that there is a difference in the occlusal pattern and muscle activity in the mixed dentition that showed the maximum force was on the permanent molars and the symmetry of EMGs activity in children was on the right masseter comparatively with higher bite values in boys compared to girls. Clinical significance: T-scan is a computerized analysis system that helps in the proper assessment of the patient's occlusion and assists in the proper treatment planning and diagnosis accurately without much effort.

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