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Cigarette smoking increases the risk of root canal treatment
Journal article   Peer reviewed

Cigarette smoking increases the risk of root canal treatment

E A Krall, C Abreu Sosa, C Garcia, M E Nunn, D J Caplan and R I Garcia
Journal of dental research, Vol.85(4), pp.313-317
04/2006
DOI: 10.1177/154405910608500406
PMCID: PMC2225991
PMID: 16567550
url
https://www.ncbi.nlm.nih.gov/pmc/articles/2225991View
Open Access

Abstract

Few studies have investigated smoking as a risk factor for root canal treatment. We studied the effect of smoking on the incidence of root canal treatment, controlling for recognized risk factors, in 811 dentate male participants in the VA Dental Longitudinal Study. Participants were not VA patients. Follow-up ranged from 2 to 28 years. Root canal treatment was verified on radiographs and evaluated with proportional hazards regression models. Compared with never-smokers, current cigarette smokers were 1.7 times as likely to have root canal treatment (p < 0.001), but cigar and/or pipe use was not significantly associated with root canal treatment. The risk among cigarette smokers increased with more years of exposure and decreased with length of abstinence. These findings suggest that there is a dose-response relationship between cigarette smoking and the risk of root canal treatment.
Smoking - adverse effects Prevalence United States Humans Middle Aged Male Dental Pulp Diseases - etiology Time Factors Aged, 80 and over Adult Dental Pulp Diseases - diagnostic imaging Root Canal Therapy - statistics & numerical data Tooth, Nonvital - diagnostic imaging Tooth, Nonvital - epidemiology Risk Factors Proportional Hazards Models Dental Pulp Diseases - epidemiology Radiography Periodontal Index Smoking - epidemiology Dental Pulp Diseases - therapy Aged Causality Longitudinal Studies Population Surveillance Cohort Studies

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