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A new perspective for radiologic findings of bruxism on dental panoramic radiography

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Abstract

Objective

This study aims to evaluate whether there is a relationship between the appositional classification in the mandible angle region and the mandibular cortical index (MCI) seen in bruxist individuals and to differentiate between the bruxist group without mandibular apposition and the non-bruxist group on panoramic radiographs.

Methods

The mandible angle region of 209 individuals, 170 bruxists and 39 non-bruxists, were included in the study. Each mandible angle apposition was classified as G0 (No directional change, no bone apposition)—G1 (Directional change on the basal cortex. No bone apposition)—G2 (Directional change plus generalized bone apposition with inhomogeneous surface)—G3 (Directional change plus localized bone apposition at one or more sites). The MCI of each individual was recorded according to their classified apposition.

Results

No statistically significant difference was found in the relationship between MCI and apposition severity in mandible angle grades in bruxist individuals (p = 0.063). A statistically significant difference was found between MCI and the bruxist G0/non-bruxist G0 groups (p < 0.001). While the MCI-C1 was higher in non-bruxist G0 individuals, the MCI-C2 was higher in bruxist G0 individuals. A statistically significant correlation was found between gender and severity of grades (p < 0.001).

Conclusion

Although it is known that appositional changes are seen in the mandible angle region in bruxism, MCI can be used as a valuable radiologic diagnostic criterion during the evaluation of bruxist and healthy individuals in the G0 grade who have not yet radiologically demonstrated bone apposition in the mandible angle.

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Authors and Affiliations

  1. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Erciyes University, Kayseri, Turkey

    Serkan Yilmaz & Emin Murat Canger

  2. Department of Dentomaxillofacial Radiology, Faculty of Dentistry, Ankara University, 06560, Ankara, Turkey

    Mehmet Hakan Kurt

  3. Department of Prosthodontics, Faculty of Dentistry, Erciyes University, Kayseri, Turkey

    Ozden Melis Durmaz Yilmaz

  4. Department of Biostatistics, Faculty of Medicine, Hacettepe University, Ankara, Turkey

    Sevilay Karahan

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  1. Serkan Yilmaz
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Correspondence to Mehmet Hakan Kurt.

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All authors declare that they have no conflict of interest. This article does not contain any studies with human or animal subjects performed by the any of the authors.

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All the procedures followed were in accordance with the ethical standards of the responsible committee institutional and national) and with the Helsinki Declaration of 1964 and later versions. Informed consent was obtained from all patients for being included in the study.

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Yilmaz, S., Kurt, M.H., Durmaz Yilmaz, O.M. et al. A new perspective for radiologic findings of bruxism on dental panoramic radiography. Oral Radiol 39, 544–552 (2023). https://doi.org/10.1007/s11282-022-00667-2

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