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Title: Trabecular bone score, a new bone quality index, is associated with severe periodontitis
Authors: Chutinun Niramitchainon
Sanutm Mongkornkarn
Chanika Sritara
Attawood Lertpimonchai
Artit Udomsak
Chulalongkorn University
Electricity Generating Authority of Thailand
Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Keywords: Dentistry
Issue Date: 1-Oct-2020
Citation: Journal of Periodontology. Vol.91, No.10 (2020), 1264-1273
Abstract: © 2020 American Academy of Periodontology Background: The association between systemic bone loss and periodontitis remains unresolved; and the trabecular bone score (TBS) is a new index for assessing decreased bone quality. Therefore, this cross-sectional study investigated the association between TBS and severe periodontitis. Methods: Eight hundred and five Thai participants, aged 30 to 82 years, underwent bone quality assessment. Their mean TBS was calculated from dual-energy X-ray absorptiometry images at the L1 to L4 lumbar spine using TBS software. Each participant was classified as normal, partially degraded, or degraded TBS. Full-mouth periodontal examinations determined plaque score, probing depth, clinical attachment level (CAL), and the number of remaining teeth. The participants were classified as non-severe or severe periodontitis. Differences in periodontal parameters between the TBS groups were analyzed using one-way ANOVA. The association between TBS and severe periodontitis was assessed with multivariate binary logistic regression. For severe periodontitis, the additive interaction between TBS and oral hygiene status was also analyzed. Results: The mean CAL was 0.9-mm higher in the degraded TBS group compared with the normal TBS group. Degraded TBS was associated with severe periodontitis with an adjusted odds ratio (OR) of 2.10 (95% confidence interval [CI] = 1.03 to 4.26). The combination of degraded TBS and plaque score ≥80% increased the adjusted OR to 5.71 (95% CI = 1.15 to 28.43). Conclusions: Degraded TBS is associated with severe periodontitis and has a synergistic effect with poor oral hygiene, suggesting monitoring decreased bone quality and good oral hygiene for promoting the periodontal-systemic health of these individuals.
ISSN: 00223492
Appears in Collections:Scopus 2020

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