Root proximity as a risk factor for progression of alveolar bone loss

The veterans affairs dental longitudinal study

Taera Kim, Takanari Miyamoto, Martha E. Nunn, Raul I. Garcia, Thomas Dietrich

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Background: The purpose of the present longitudinal study was to evaluate the association between root proximity and the risk for alveolar bone loss (ABL). Methods: We used data from the Veterans Affairs Dental Longitudinal Study, a closed-panel longitudinal cohort study of 1,231 men enrolled in 1968 with triennial follow-up examinations. Periapical radiographs of mandibular incisors from subjects with ≥10 years of follow-up were selected. Interradicular distance (IRD) at the cemento-enamel junction and alveolar bone levels at baseline and last follow-up were measured using digitized radiographs. The rate of progressive ABL was determined and expressed as millimeters per 10 years. Site-specific multivariate regression models were fit to evaluate the association between IRD and ABL rate, adjusting for age and smoking. Empirical standard errors and generalized estimating equations were used to account for the correlation among sites within subjects. Results: There were 473 dentate subjects, aged 28 to 71 years at baseline, with ≥10 years of follow-up data available for analyses. The mean follow-up time was 23 years. The mean IRD was 1.0 ± 0.3 mm, and the mean ABL rate during 10 years was 0.61 ± 0.59 mm. There was a significant non-linear association between IRD and ABL rate (P

Original languageEnglish
Pages (from-to)654-659
Number of pages6
JournalJournal of Periodontology
Volume79
Issue number4
DOIs
StatePublished - Apr 2008

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Alveolar Bone Loss
Veterans
Longitudinal Studies
Tooth
Incisor
Dental Enamel
Cohort Studies
Smoking
Bone and Bones

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

Root proximity as a risk factor for progression of alveolar bone loss : The veterans affairs dental longitudinal study. / Kim, Taera; Miyamoto, Takanari; Nunn, Martha E.; Garcia, Raul I.; Dietrich, Thomas.

In: Journal of Periodontology, Vol. 79, No. 4, 04.2008, p. 654-659.

Research output: Contribution to journalArticle

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