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The International Journal of Prosthodontics



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Int J Prosthodont 30 (2017), No. 5     8. Sep. 2017
Int J Prosthodont 30 (2017), No. 5  (08.09.2017)

Page 439-444, doi:10.11607/ijp.4741, PubMed:28806430

A Randomized Controlled Trial of Mastication with Complete Dentures Made by a Conventional or an Abbreviated Technique
Mengatto, Cristiane Machado / Gameiro, Gustavo Hauber / Brondani, Mario / Owen, C. Peter / MacEntee, Michael I.
Purpose: The aim of this randomized clinical trial was to test the hypothesis that there are no statistically significant differences after 3 and 6 months in masticatory performance or chewing ability of people with new complete dentures made by an abbreviated or a conventional technique.
Materials and Methods: The trial included 20 edentulous participants at a dental school in Brazil assigned randomly to receive dentures made by either a conventional technique involving six clinical sessions or by an abbreviated technique involving three clinical sessions. At baseline with old dentures and at 3 and 6 months with new dentures, masticatory performance was measured by counting the number of chewing strokes and the time before participants had an urge to swallow and by calculating the medium particle size of a silicone material after 20 chewing strokes and at the urge to swallow. On each occasion, the participants recorded on visual analog scales their ability to chew five food textures. Statistical significance (P ≤ .05) of changes in masticatory performance and chewing ability during the trial were analyzed with generalized estimating equations.
Results: Both techniques improved masticatory performance between baseline and 6 months and the ability to bite and chew all foods apart from hard apples.
Conclusion: There were no significant differences in masticatory performance or chewing ability after 6 months between complete dentures made by a conventional or an abbreviated technique.
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