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The Development and Validation of the Partial Denture Experience Questionnaire (P-DEQ): Reliability and Validity.

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The Partial Denture Experience Questionnaire (P-DEQ) reliably measures the multifaceted impacts of removable dentures. It captures wearer experiences, including emotional and social aspects, showing good validity.

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Area of Science:

  • Oral health research
  • Psychometric instrument development
  • Patient-reported outcome measures

Background:

  • Living with removable dentures presents multifaceted challenges impacting daily life.
  • Existing instruments may not fully capture the complex experience of denture wearers.
  • A new, condition-specific tool is needed to assess these impacts comprehensively.

Purpose of the Study:

  • To develop and preliminarily validate the Partial Denture Experience Questionnaire (P-DEQ).
  • To create a reliable instrument for measuring the impacts of removable dentures.
  • To assess the P-DEQ's ability to capture diverse aspects of denture experience.

Main Methods:

  • A multi-phase, mixed-methods design was employed for P-DEQ development.
  • Item generation was informed by qualitative interviews and the ICF framework.
  • A 34-item scale with six sub-scales was tested in UK and US online panels (n=448).

Main Results:

  • The P-DEQ demonstrated good to excellent reliability (Cronbach's α = 0.71–0.88).
  • High correlations were observed between sub-scales and total scores, particularly for Emotional Function and Social Participation.
  • Items concerning psychosocial worries and functional limitations had the highest impact, while denture benefits had lower impact.

Conclusions:

  • The P-DEQ shows promising reliability and content validity for assessing denture experiences.
  • The instrument is sensitive to nuanced emotional states and impacts on daily life.
  • Further longitudinal testing is recommended to establish the P-DEQ as a robust measure for detecting change over time.