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The Dentine Hypersensitivity Experience Questionnaire: a longitudinal validation study.

Sarah R Baker1, Barry J Gibson, Farzana Sufi

  • 1School of Clinical Dentistry, University of Sheffield, Sheffield, UK.

Journal of Clinical Periodontology
|October 15, 2013
PubMed
Summary
This summary is machine-generated.

The Dentine Hypersensitivity Experience Questionnaire is reliable and valid for measuring changes in dentine hypersensitivity. It can distinguish between treatments of varying effectiveness, with a minimally important difference between 22 and 39 points.

Keywords:
anti-sensitivity treatmentclinical trialdentine hypersensitivitylongitudinal validationminimally important differencequality of liferesponsiveness

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Area of Science:

  • Dental research
  • Clinical trial methodology
  • Patient-reported outcomes

Background:

  • Dentine hypersensitivity is a common clinical finding.
  • Validated instruments are needed to measure changes in patient-reported outcomes.
  • The Dentine Hypersensitivity Experience Questionnaire (DHEQ) is a potential measure.

Purpose of the Study:

  • To validate the Dentine Hypersensitivity Experience Questionnaire (DHEQ) for responsiveness to change.
  • To determine the minimally important difference (MID) for the DHEQ.

Main Methods:

  • Secondary analysis of data from three randomized controlled trials (311 participants).
  • Assessed responsiveness by examining within-individual change, differences based on an external referent, and change due to treatment.
  • Evaluated responsiveness to treatments of differing efficacy using negative and active controls.

Main Results:

  • The DHEQ demonstrated excellent internal reliability, test-retest reliability, and criterion validity.
  • The DHEQ was highly responsive to within-individual changes, with large effect sizes for self-reported quality of life improvements (0.73-1.31).
  • The DHEQ detected treatment effects in negative control trials (effect size: 0.47) and showed similar scores in active control trials. The MID ranged from 22 to 39 points.

Conclusions:

  • The Dentine Hypersensitivity Experience Questionnaire is a reliable, valid, and responsive measure for longitudinal assessment.
  • The DHEQ can effectively discriminate between treatments with different levels of efficacy.
  • The established MID provides a benchmark for interpreting meaningful changes in dentine hypersensitivity.