Using Dental Register Information and Questionnaire Data to Assess Periodontitis in Large Cohort Studies.

ABSTRACT:

Aim

Periodontitis proxy variables enable an expansion of periodontal research. The study aimed to estimate the validity of questionnaire items and registry data in relation to Stage III-IV periodontitis and having 50% bone loss.

Methods

Malmö Offspring Dental Study (MODS) participants (995) filled out questionnaires and underwent periodontal and panoramic radiography examinations. The questionnaire items, number of periodontal treatment procedures (PTP) in the Dental Health Register (DHR), and number of teeth with ≥ 6 mm probing depth in the Swedish Quality Register for Caries and Periodontal Disease (SKaPa) were evaluated as proxies for severe periodontitis. Stage III-IV periodontitis was the primary reference standard.

Results

For PTP-based severe periodontitis prox

SUBMITTER: Persson P 

PROVIDER: S-EPMC12531359 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature