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Masticatory efficiency of shortened dental arch subjects with removable partial denture: A comparative study

1 Department of Restorative Dentistry, University of Benin, University of Benin Teaching Hospital, Benin City, Nigeria
2 Department of Restorative Dentistry, Obafemi Awolowo University, Obafemi Awolowo University Teaching Hospital Complex, Ife, Nigeria

Correspondence Address:
JO Omo,
Department of Restorative Dentistry, University of Benin, University of Benin Teaching Hospital, Benin City
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Source of Support: None, Conflict of Interest: None

Background: Achieving an acceptable masticatory function is one of the salient objectives in the prosthetic rehabilitation of partially edentulous patients; it enhances proper digestion and absorption of nutrients. Objective: The objective of this study was to compare the masticatory efficiency in subjects with shortened dental arch (SDA) before and after restoration with removable partial denture (RPD). Materials and Methods: This was a prospective study carried out on 36 consecutive patients. The subjects were asked to chew 5 g of a measured portion of fresh raw carrot for 20 specified numbers of strokes. The raw carrot was recovered into a cup and strained through a standard mesh sieve of 5 mm by 1 mm, it was air dried for 30 min and weighed with FEM digital series weighing scale. The masticatory performance ratio was then determined. Result: The age range of the subjects was 34-64 years with the mean age being 52.2 ± 8.2 years. The difference between the total masticatory performance score at the post- and pre-treatment phases was statistically significant (P = 0.001). The improvement in masticatory performance was marked among the younger age groups (P = 0.001), unilateral free end saddle subjects (P = 0.001), and among the male gender (P < 0.05). Conclusion: Masticatory performance improved with the provision of RPD. However, the improvement was marked among the younger age groups, unilateral free end saddle subjects, and the male gender; thereby supporting the need for RPDs in patients with SDA.

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