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Food breakdown patterns produced by human subjects possessing artificial and natural teeth
Journal of Oral Rehabilitation
|May 1, 1986
Summary
Complete denture wearers and dentate subjects exhibit similar food breakdown abilities. Masticatory performance is not significantly affected by dental status or palatal coverage.
Area of Science:
- Oral biology
- Biomechanical engineering
- Nutritional science
Background:
- Mastication is crucial for food breakdown and nutrient absorption.
- Understanding differences in chewing efficiency between dentate and denture wearers is important for oral health.
- Previous research has not conclusively determined if complete dentures alter masticatory performance.
Purpose of the Study:
- To compare the food breakdown abilities of complete denture wearers and dentate subjects.
- To analyze the particle size distribution after chewing raw carrot.
- To investigate the influence of dental status on masticatory performance.
Main Methods:
- Thirty-two complete denture wearers and thirty-two dentate subjects participated.
- Subjects chewed raw carrot particles to assess breakdown.
- Particle size distribution was analyzed to evaluate masticatory performance.
- A subset of dentate subjects had palatal mucosa covered with an acrylic plate to assess its effect.
Main Results:
- Broader particle size distributions were observed in faster chewers, narrower in slower chewers, irrespective of dental status.
- Both food selection and breakage processes during mastication were found to be variable.
- No qualitative differences in food reduction were apparent between denture wearers and dentate subjects.
- Covering palatal mucosa with an acrylic plate did not affect masticatory performance in dentate subjects.
Conclusions:
- Dental status does not qualitatively alter the manner of food breakdown during mastication.
- Masticatory performance appears consistent between complete denture wearers and dentate individuals.
- Palatal coverage with an acrylic plate does not impair chewing efficiency.
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