Maxillary complete denture movement during chewing in mandibular removable partial denture wearers

  1. Raphael Freitas De Souza1,
  2. Juliê Marra2,
  3. Ana Carolina Pero2,
  4. Rômulo Rocha Regis1,
  5. Marco Antonio Compagnoni2,
  6. André Gustavo Paleari2

Article first published online: 6 OCT 2008

DOI: 10.1111/j.1741-2358.2008.00259.x

Issue

Gerodontology

Gerodontology

Volume 26, Issue 1, pages 19–25, March 2009

Additional Information

How to Cite

De Souza, R. F., Marra, J., Pero, A. C., Regis, R. R., Compagnoni, M. A. and Paleari, A. G. (2009), Maxillary complete denture movement during chewing in mandibular removable partial denture wearers. Gerodontology, 26: 19–25. doi: 10.1111/j.1741-2358.2008.00259.x

Author Information

  1. 1

    Department of Dental Materials and Prosthodontics, Ribeirão Preto Dental School, University of São Paulo, Ribeirão Preto, SP, Brazil

  2. 2

    Department of Dental Materials and Prosthodontics, Araraquara Dental School, São Paulo State University, Araraquara, SP, Brazil

*Marco Antonio Compagnoni, Department of Dental Materials and Prosthodontics, Araraquara Dental School, São Paulo State University, Rua Humaitá 1680, 14801-903 Araraquara, SP, Brazil. Tel.: +55 16 33016411 Fax: +55 16 33016406 E-mail: compagno@foar.unesp.br

Publication History

  1. Issue published online: 26 FEB 2009
  2. Article first published online: 6 OCT 2008
  3. Accepted 21 June 2008

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Keywords:

  • complete denture;
  • removable partial denture;
  • mouth mucosa;
  • mastication;
  • dental occlusion

Objectives:  To evaluate the pattern of maxillary complete denture movement during chewing for free-end removable partial dentures (RPD) wearers, compared to maxillary and mandibular complete denture wearers.

Materials and methods:  Eighteen edentulous participants (group I) and 10 volunteers with bilateral posterior edentulous mandibles (group II) comprised the sample. Measures of mean denture movement and its variability were obtained by a kinesiographic instrument K6-I Diagnostic System, during the mastication of bread and a polysulphide block. Data were analysed using two-way anova (α = 0.05).

Results:  Upper movement during chewing was significantly lower for group II, regardless of the test food. The test food did not influence the vertical or lateral position of the denture bases, but more anterior dislocation was found when polysulphide blocks were chewed. Group II presented lower intra-individual variability for the vertical axis. Vertical displacement was also more precise with bread as a test food.

Conclusion:  It can be concluded that mandibular free-end RPD wearers show smaller and more precise movements than mandibular complete denture wearers.

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