ArticleCommunity dentistry and oral epidemiology2025
Restricting Periodontal Treatment Frequency: Impact on Tooth Loss in Danish Adults.
Article in Community dentistry and oral epidemiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Association of Treatments With Prevalence and Incidence of Periodontitis.Clinical and experimental dental research · 2026Article
- Economic Impact of Periodontitis: Global, Regional and National Estimates of Periodontal Expenditure, With Forecasts to 2050.Journal of periodontal research · 2026Article
- Assessing the Impact of Periodontal Therapy on Tooth Loss: A Register-Based Longitudinal Study in Denmark.Community dentistry and oral epidemiology · 2025Article
- Reflections on the implications of the trends in dental status for trends in dental care utilization 2001-2021 among adult Danes.European journal of oral sciences · 2025Review
- Causal estimation of time-varying treatments in observational studies: a scoping review of methods, applications, and missing data practices.BMC medical research methodology · 2025Article
- Practice-Level Variation in the Provision of Subsidised Dental Services to Adult Danes in 2019: A Register-Based Study.Community dentistry and oral epidemiology · 2025Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
objectiveThe study aimed to estimate the effect of a periodontal treatment policy that would restrict the receipt of periodontal therapy to no more than once every second year, on the 10-year risk of tooth extraction among Danish adults.
methodsData from linked nationwide Danish registers consisted of a random sample of 20 000 50-year-olds who were followed from the beginning of 1990 to the end of 2021. The longitudinal modified treatment policies' causal inference framework was used. In each of two slightly different counterfactual scenarios, the receipt of supragingival or subgingival periodontal therapy was restricted to no more than once every second year. The cumulative incidence of tooth extraction from 2012 to 2021 was compared between the counterfactual scenarios and the observed periodontal visiting pattern, while informative censoring, and time-varying and time-invariant confounding were accounted for using the social, economic and dental service utilisation history.
resultsDuring the 10-year follow-up period, 5021 (25.1%) individuals received at least one tooth extraction. In the two counterfactual scenarios, the number of years receiving supragingival or subgingival periodontal therapy was 30%-50% lower than in the observed data. The 10-year cumulative incidence of tooth loss was practically the same in the two counterfactual scenarios as under the observed periodontal visiting patterns.
conclusionThe findings indicate that a considerable decrease in the number and frequency of periodontal care visits would not have significant impact on the incidence of tooth loss in Denmark.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.