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Related Experiment Videos

Effect of edentulism on spirometric tests.

C B Bucca1, S Carossa, P Colagrande

  • 1Dipartmento di Scienze Biomediche e Oncologia Umana and Cattedra di Protesi Dentaria, Università di Torino, Turin, Italy. caterina.bucca@unito.it

American Journal of Respiratory and Critical Care Medicine
|April 3, 2001
PubMed
Summary

Denture use in edentulous individuals can affect spirometry results, particularly for those with normal or restrictive lung patterns. Wearing dentures may lead to slightly higher respiratory flow rates, suggesting their use during pulmonary function tests.

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Area of Science:

  • Pulmonary Medicine
  • Dental Medicine
  • Respiratory Physiology

Background:

  • Spirometric measurements are crucial for diagnosing and monitoring respiratory conditions.
  • The influence of denture wear on spirometry in edentulous individuals is not well-documented.
  • Edentulism can affect oral and pharyngeal structures, potentially impacting airflow dynamics.

Purpose of the Study:

  • To systematically investigate the impact of denture wear on spirometric values in edentulous subjects.
  • To compare lung function measurements with and without dentures across different respiratory health groups.
  • To assess changes in the retropharyngeal space associated with denture use.

Main Methods:

  • Comparison of spirometry (FVC, FEV1, PEFR, FEF50%, FIV1, FIF50%) with and without dentures.

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  • Inclusion of three subject groups: normal spirometry, COPD, and ILD.
  • Cephalometric assessment of retropharyngeal space with and without dentures in a subset of subjects.

    • Main Results:

    • Subjects with normal spirometry and ILD showed significantly lower airflow rates without dentures.
    • COPD patients exhibited no significant difference in spirometric values with or without dentures.
    • Denture removal significantly decreased the retropharyngeal space (p < 0.0001).

    Conclusions:

    • Denture use can cause small but significant differences in spirometry, particularly in edentulous individuals with normal or restrictive lung patterns.
    • While not clinically significant, higher respiratory flows with dentures suggest their use during spirometric evaluation.
    • Standardizing denture use in edentulous patients may improve the consistency of spirometry results.