Association of endodontic involvement with tooth loss in the Veterans Affairs Dental Longitudinal Study.

Abstract:

INTRODUCTION:The effect of endodontic involvement on tooth loss has not been quantified, so the present study aimed to assess this relationship after controlling for other relevant risk factors for tooth loss. METHODS:We analyzed data from 791 participants (18,798 teeth) in the Veterans Affairs Dental Longitudinal Study. Potential tooth-level and person-level covariates were fitted into marginal proportional hazards models, including both apical radiolucencies (AR) and root canal therapy (RCT) status as time-dependent variables. Survival curves were plotted for teeth according to their AR and RCT status. RESULTS:Both current AR and RCT status were associated with increased risk of tooth loss (P < .01), after controlling for baseline levels of periodontal disease, caries, tooth type, number of proximal contacts, number of teeth, age, education, and smoking history. Root canal filled (RCF) teeth seemed to have better survival than non-RCF teeth among teeth with AR but worse survival than non-RCF teeth among teeth without AR. CONCLUSIONS:Endodontic involvement was associated with tooth loss, controlling for other potential risk factors. Additional prospective studies are needed to provide better evidence as to the impact of endodontic involvement on tooth loss.

journal_name

J Endod

journal_title

Journal of endodontics

authors

Zhong Y,Garcia R,Kaye EK,Cai J,Kaufman JS,Trope M,Wilcosky T,Caplan DJ

doi

10.1016/j.joen.2010.08.051

subject

Has Abstract

pub_date

2010-12-01 00:00:00

pages

1943-9

issue

12

eissn

0099-2399

issn

1878-3554

pii

S0099-2399(10)00727-2

journal_volume

36

pub_type

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