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Related Experiment Video

Updated: Mar 21, 2026

Robust Ligature-Induced Model of Murine Periodontitis for the Evaluation of Oral Neutrophils
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Correlation between mandibular/maxillary torus and periodontitis: a cross-sectional study.

Hisataka Ii, Tomotaka Kato, Naoto Hayashida

    Quintessence International (Berlin, Germany : 1985)
    |March 19, 2026
    PubMed
    Summary

    Mandibular/maxillary torus, bony growths in the mouth, were studied for their link to periodontitis. Research found no significant association, suggesting torus does not contribute to this gum disease.

    Keywords:
    cross-sectional studymandiblemaxllaperiodontologytorus

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    Area of Science:

    • Oral pathology
    • Periodontology
    • Dental anthropology

    Background:

    • Exostoses, including mandibular and maxillary torus, are bony growths influenced by factors like bruxism, occlusal forces, genetics, and environment.
    • Understanding the relationship between these torus formations and periodontal health is crucial for comprehensive dental care.

    Purpose of the Study:

    • To investigate the potential correlation between the presence of mandibular/maxillary torus and periodontitis.
    • To analyze patient characteristics and clinical data in relation to torus development and periodontal status.

    Main Methods:

    • A cohort of 478 adult patients (age >20) was retrospectively analyzed from 2001-2014.
    • Clinical data included probing pocket depth (PPD), bleeding on probing (Bop), and decayed, missing, or filled teeth (DMFT) index.
    • Medical interviews assessed general patient condition, including smoking history, back pain, and stiff shoulders; logistic regression was used for analysis.

    Main Results:

    • No statistically significant differences were found between torus presence and patient characteristics, except for sex.
    • The study found no significant association between the presence of a torus and the number of teeth with a probing pocket depth (PPD) greater than 6 mm.
    • Logistic regression analysis did not reveal a link between torus and periodontitis indicators.

    Conclusions:

    • The findings suggest that mandibular/maxillary torus does not appear to be a contributing factor to periodontitis.
    • Further longitudinal research is necessary to understand the complex interactions between genetics, environment, and mechanical stress in torus development and their impact on periodontal health.