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Updated: Jun 8, 2025

Oral Health Assessment by Lay Personnel for Older Adults

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

Attempts to Modify Periodontal Screening Models Based on a Self-Reported Oral Health Questionnaire in the Medical

N Nijland¹, N Su², V E A Gerdes³

¹Department of Periodontology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.

Journal of Clinical Periodontology

|November 7, 2024

Summary

Updating screening models for periodontal disease (PD) did not improve severe PD prediction but left total PD screening sub-optimal. Severe PD screening is now ready for medical implementation.

Keywords:

non‐communicable diseases periodontal disease periodontitis screening self‐reported oral health questionnaire

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Area of Science:

Oral Health
Epidemiology
Biostatistics

Background:

Self-reported screening models for periodontal disease (PD) were previously validated.
The study aimed to update these models for improved prediction performance.

Purpose of the Study:

To explore the 'updating' methodology for modifying existing PD screening models.
To assess if updating improves prediction performance for total and severe PD.

Main Methods:

Two datasets were used for updating and validation of PD screening models.
Statistical approaches including recalibration and revision were employed.
Model performance was evaluated using discrimination and calibration metrics.

Main Results:

Updating by model revision improved 'total' PD screening, but AUCs remained low (0.61-0.64).
The original model without updates performed best for 'severe' PD (AUCs 0.72-0.75).
Updating did not enhance the performance for 'severe' PD screening.

Conclusions:

The 'updating' methodology did not improve the 'severe' PD screening model.
The original 'severe' PD screening model is satisfactory for medical care settings.
The 'total' PD screening model remains sub-optimal despite updating efforts.