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Open Access 22-09-2023 | Osteoporosis | Research

General and local predictors of mandibular cortical bone morphology in adult females and males: the seventh survey of the Tromsø Study

Authors: Anna Teterina, Sanyalak Niratisairak, Bente Morseth, Napat Bolstad

Published in: Clinical Oral Investigations | Issue 11/2023

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Abstract

Objectives

To analyze factors predicting mandibular cortical width (MCW) and mandibular cortical index (MCI) in adult females and males.

Material and methods

Data on 427 females and 335 males aged 40–84 from The Tromsø study: Tromsø7 were used. T-score, age, menopausal status (for females), remaining teeth, and periodontal status were analyzed in linear and logistic regression analyses as predictors of MCW and MCI, respectively.

Results

T-score, age, and the number of remaining teeth significantly predicted MCW in females but not males. Standardized β coefficients were 0.286, −0.231, and 0.131, respectively. The linear regression model explained 24% of MCW variation in females. MCI in females was significantly predicted by T-score, age, and remaining teeth with the Wald values of 9.65, 6.17, and 5.83, respectively. The logistic regression model explained 16.3−23% of the variation in MCI in females. In males, T-score was the only significant predictor of the eroded cortex, and the logistic model explained only 4.3–5.8% of the variation in MCI.

Conclusions

The T-score demonstrated a stronger relationship with MCW and MCI than other factors in females, which supports the usefulness of those indices for osteoporosis screening. Conversely, the T-score exhibited no association with MCW and remained the only significant predictor of MCI in males, yet to a lesser extent than in females.

Clinical relevance

Understanding factors affecting mandibular cortical morphology is essential for further investigations of MCW and MCI usefulness for osteoporosis screening in females and males.
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Metadata
Title
General and local predictors of mandibular cortical bone morphology in adult females and males: the seventh survey of the Tromsø Study
Authors
Anna Teterina
Sanyalak Niratisairak
Bente Morseth
Napat Bolstad
Publication date
22-09-2023
Publisher
Springer Berlin Heidelberg
Published in
Clinical Oral Investigations / Issue 11/2023
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-023-05263-0