Journal of Oral Medicine and Pain

Korean Academy of Orofacial Pain and Oral Medicine (대한안면통증구강내과학회)
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The Effect of Stabilization Splint Use on Bite Force in Patients with Bruxism

  • Ji Rak Kim (Department of Oral Medicine, School of Dentistry, Kyungpook National University) ;
  • Jin Woo Chung (Department of Oral Medicine, Seoul National University Dental Hospital)
  • Received : 2024.10.26
  • Accepted : 2024.10.31
  • Published : 2024.12.30
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Abstract

Purpose: This study aimed to assess changes in maximal bite force and left-right bite force differences after stabilization splint use in patients with bruxism. Methods: A total of 22 patients with bruxism (11 males, 11 females) participated in this study. Participants were instructed to use a mandibular stabilization splint nightly during sleep. Maximal bite force was measured using Dental Prescale II prior to stabilization splint use, then at one week, two weeks, and monthly intervals up to six months. Results: No significant changes in maximum bite force were observed over the 6-month period following stabilization splint use. A significant reduction in maximal bite force was observed between the baseline measurement and one week after stabilization splint use (p<0.001). A subsequent increase was observed between one and two weeks (p=0.002), while no significant changes were found in the later time points up to six months. Throughout the observation period, differences in maximal bite force between the left and right sides were also not significant. The left-right bite force difference also decreases temporarily but returned to baseline levels in subsequent measurements. No significant differences in bite force changes were observed based on age or sex. Conclusions: The use of stabilization splint in patients with bruxism initially reduced maximal bite force, with forces gradually returning to baseline over time. Additionally, the temporary reduction in left-right bite force difference suggests an adaptive response to stabilization splint use.

Keywords

Acknowledgement

This work was supported by Kyungpook National University Dental Hospital Institute for Dental Research (2022).

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