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Improving the speech function of maxillary complete dentures: a pilot study.

Alexander J Hassel1, Thomas Holste

  • 1Department of Prosthodontics, University of Heidelberg, Heidelberg, Germany. alexander.hassel@med.uni-heidelberg.de

The International Journal of Prosthodontics
|February 28, 2007
PubMed
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Sandblasting complete maxillary dentures may improve speech performance for most users. This simple technique enhances tongue-to-denture contact, offering a potential solution for better denture function with minimal risk of negative outcomes.

Area of Science:

  • Dentistry
  • Speech Pathology
  • Biomaterials Engineering

Background:

  • Complete maxillary dentures are common prosthetics for edentulous patients.
  • Speech function can be negatively impacted by denture design and fit.
  • Improving speech with dentures is crucial for patient quality of life.

Purpose of the Study:

  • To evaluate sandblasting as a simple, universal method for enhancing speech function in complete maxillary dentures.
  • To investigate if increased tactile surface area from sandblasting improves tongue-to-denture interaction and speech clarity.

Main Methods:

  • A pilot study involving 14 geriatric patients with complete maxillary dentures.
  • Speech samples were recorded before and after sandblasting a specific denture area in 11 participants.

Related Experiment Videos

  • Speech samples were rated by two blinded speech therapists to assess changes in speech performance.

    • Main Results:

    • No significant speech improvement was noted in the 3 control subjects.
    • Both speech therapists rated speech samples as improved in 8 out of 11 sandblasted cases (P = .002).
    • No change was observed in 2 subjects, and one subject experienced minor deterioration, easily correctable by polishing.

    Conclusions:

    • Sandblasting appears to be a promising, easy-to-implement method for moderately improving speech in most complete maxillary denture wearers.
    • The risk of speech deterioration is low, and any adverse effects can be readily reversed.
    • Further research with larger cohorts is warranted to confirm these findings.