Association between smoking and the risk of dental implant failure in Korean adults: a nationwide cohort study.

ABSTRACT:

Objectives

We evaluated the associations of smoking status, intensity, duration, and cumulative exposure with the risk of dental implant failure in Korean adults.

Methods

This retrospective cohort study utilized the National Health Insurance Service-Health Screening Cohort (2016-2019). Overall, 23,573 individuals who had completed the dental implant process were included. Smoking status was categorized as non-smoker, ex-smoker, or current smoker. Smoking intensity, duration, and cumulative exposure were classified using standardized thresholds (>10 cigarettes per day, >10 years, and >10 pack-years). Implant failure was defined as reimplantation or removal. Cox proportional hazards models were applied to estimate hazard ratios (HRs) and 95% confidence intervals (CIs), adjusti

SUBMITTER: Kim YR 

PROVIDER: S-EPMC12946569 | biostudies-literature | 2026

REPOSITORIES: biostudies-literature