J Adv Prosthodont.  2015 Feb;7(1):8-14. 10.4047/jap.2015.7.1.8.

Assessment of swallowing and masticatory performance in obturator wearers: a clinical study

• Vero N
• Mishra N
• Singh BP
• Singh K
• Jurel SK
• Kumar V

• KMID: 1974884
• DOI: http://doi.org/10.4047/jap.2015.7.1.8

Abstract

PURPOSE
To assess function by identifying changes in swallowing and masticatory performance in maxillary obturator prosthesis wearers.
MATERIALS AND METHODS
Sixty subjects were recruited for the study, of which 20 were obturator wearers, 20 were completely dentulous and 20 had removable partial/complete dentures with similar Eichner's Index. Swallowing ability was evaluated with and without obturator using the "Water Drinking Test"; Masticatory performance was evaluated with the Sieve test; and maximum occlusal force was recorded with the help of a digital bite sensor. The data was analyzed using the Statistical Package for Social Science version 15.0 with a confidence level at 95%.
RESULTS
Profile, behavior of drinking and time taken to drink were significantly improved (P<.001) in subjects after wearing obturator. Masticatory performance was not significantly different (P=.252) in obturator wearer when compared with dentulous or removable partial/complete denture wearer, but significantly (P<.001) high inter group difference in maximum occlusal force existed. Correlation between masticatory performance and maximum occlusal force was not significant (P=.124).
CONCLUSION
Swallowing ability was significantly improved after wearing obturator but masticatory performance was not significantly different from those having similar occlusal support zone in their dentition.

Keyword

Masticatory performance; Obturator; Swallowing; Mastication; Occlusal force; Maxillectomy

MeSH Terms

Bite Force
Deglutition*
Dental Restoration Wear
Dentition
Dentures
Drinking
Mastication
Prostheses and Implants
Social Sciences

Figure

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  Fig. 1 Analysis of variance for masticatory performance in different groups.

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  Fig. 2 Analysis of variance for occlusal force in different groups.

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  Fig. 3 Scatter diagram showing correlation between masticatory performance and maximum occlusal force.

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