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Impact of removable partial denture prosthesis on chewing efficiency.
Marion Bessadet1, Emmanuel Nicolas, Marine Sochat
1Clermont Université, Université d'Auvergne, Centre de Recherche en Odontologie Clinique.
Journal of Applied Oral Science : Revista FOB
|November 12, 2013
Summary
Removable partial denture prostheses improve bolus particle size reduction but do not fully restore chewing function. Further clinical improvements in oral rehabilitation are encouraged.
Area of Science:
- Dental Prosthodontics
- Masticatory Science
Background:
- Removable partial denture prostheses (RPDP) are widely used for various reasons.
- Their impact on chewing parameters remains incompletely understood.
Purpose of the Study:
- To evaluate the effect of RPDP on masticatory parameters.
- To assess changes in bolus particle size and chewing efficiency with and without prostheses.
Main Methods:
- Nineteen participants with partial edentulism (Kennedy Class I and III) were included.
- Chewing efficiency was assessed using carrots and peanuts, with and without RPDP.
- Masticatory parameters measured included median particle size (D50), chewing cycles (CC), chewing time (CT), and chewing frequency (CF).
Main Results:
- RPDP use significantly reduced the median particle size (D50) of chewed food.
- Chewing cycles, time, and frequency were also significantly reduced with RPDP.
- Despite improvements, bolus particle size remained above the masticatory normative index.
Conclusions:
- RPDP rehabilitation enhances the ability to reduce bolus particle size.
- However, full restoration of masticatory function is not achieved with current RPDP.
- Clinical oral rehabilitation procedures warrant further enhancement.

