# Snuff Use, Smoking, Periodontal Health and Premature Death: 30-year Study

> **NCT03614871** · — · COMPLETED · sponsor: **University of Helsinki** · enrollment: 1676 (actual)

## Conditions studied

- Tobacco Use
- Periodontitis

## Interventions

- **OTHER:** Epidemiological study

## Key facts

- **NCT ID:** NCT03614871
- **Lead sponsor:** University of Helsinki
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-01-01
- **Primary completion:** 2018-07-01
- **Final completion:** 2018-07-13
- **Target enrollment:** 1676 (ACTUAL)
- **Last updated:** 2018-08-03

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03614871

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03614871, "Snuff Use, Smoking, Periodontal Health and Premature Death: 30-year Study". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT03614871. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*