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A T-Scan Analysis of Bite Force Distribution in Natural Dentition - A Prospective Study
K Lokesh Sai1, Keerthi Sasanka, Nadhirah Faiz
1Department of Prosthodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India.
Summary
This study reveals that molars, particularly the first molar, bear the greatest bite force in natural dentition. However, bite force distribution between molars and premolars showed no significant statistical differences.
Area of Science:
- Dental Science
- Biomechanics
- Occlusion Analysis
Background:
- Understanding bite force distribution is crucial for diagnosing and treating occlusal disorders.
- Natural dentition biomechanics influence chewing efficiency and temporomandibular joint health.
Purpose of the Study:
- To investigate the distribution of bite force across different teeth within the dental arch in individuals with natural dentition.
- To analyze how bite forces are distributed during functional tasks like chewing and biting.
Main Methods:
- A cross-sectional study involving participants with intact permanent dentition.
- Utilized T-Scan technology, a dynamic occlusal analysis system, for real-time bite force recording.
- Collected data on occlusal contacts and pressures during functional activities.
Main Results:
- One-way ANOVA indicated significant differences in bite force distribution.
- Tukey's post hoc test revealed no significant difference between first and second premolars.
- No significant difference was found between first and second molars on either side.
Conclusions:
- The first molar demonstrated the highest bite force, though not statistically significant compared to the second molar.
- Molars, in general, exhibited greater bite force distribution than premolars.
- Findings contribute to understanding occlusal load distribution in natural dentition.

