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A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
Published on: April 8, 2020
Human bite force discrimination using specific maxillary and mandibular teeth
J P Coffey1, W N Williams, G E Turner
1Department of Prosthodontics, College of Dentistry, University of Florida, Gainesville 32610.
Journal of Oral Rehabilitation
|November 1, 1989
Summary
This study investigated bite force discrimination using different teeth. Performance varied significantly between central incisors and first molars, with lower resistance standards yielding better results.
Area of Science:
- Biomedical Engineering
- Dental Research
- Human Sensory Perception
Background:
- Accurate bite force discrimination is crucial for oral functions.
- Previous research has not comprehensively compared discrimination abilities across various tooth types.
Purpose of the Study:
- To determine if significant differences exist in bite force discrimination ability based on specific teeth (incisors, canines, premolars, molars).
- To compare performance using different resistance standards.
Main Methods:
- Two studies assessed bite force discrimination using a strain gauge scale and paired-comparisons.
- Subjects visually monitored bite force against preset resistance standards (500g, 1000g, 3000g).
- The difference limen (DL) was established for each tooth type and resistance level.
Main Results:
- No significant overall difference in bite force discrimination was found between teeth in the first study (incisors and premolars).
- A significant difference was observed in the second study, with better performance using central incisors compared to first molars.
- Performance was significantly better with lower resistance standards (500g vs. 3000g, and 1000g vs. 3000g).
- No significant gender-based performance differences were detected.
Conclusions:
- Bite force discrimination ability can be influenced by the specific tooth used, particularly when comparing anterior and posterior teeth.
- Lower bite force standards enhance discrimination accuracy.
- These findings have implications for understanding oral sensory feedback mechanisms.
