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Evaluation of mandibular bone density in bruxers: the value of panoramic radiographs

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Abstract

Objectives

This study aimed to establish a difference in mandibular bone density between bruxer and non-bruxer patients, based on panoramic radiographs.

Methods

Panoramic radiographs of bruxer and non-bruxer patients were analyzed with ImageJ®. Several radiological determinants were studied on the patients' panoramic radiographs: gray values of cancellous bone and cortical bone, and bony exostoses at the mandibular angle.

Results

Thirty-seven bruxers and forty-seven non-bruxers were included in the study.

A statistically significant difference (p < 0.05) was noted in the cancellous to cortical bone ratios of bruxers and non-bruxers: the density of cancellous bone was greater in bruxers than in non-bruxers.

The number of bony exostoses at the mandibular angle was significantly higher in bruxers (p < 0.05).

Conclusions

This study obtained radiological determinants of bruxism from panoramic radiographs. Further studies are needed to supplement this preliminary approach, especially via the analysis of three-dimensional imaging to overcome the limitations of panoramic radiography.

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Correspondence to Estelle Casazza.

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The authors declared that they have no conflict of interest.

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This article does not contain any studies with human or animal subjects performed by the any of the authors. RGPD-APHM registry #2020-149.

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Casazza, E., Ballester, B., Philip-Alliez, C. et al. Evaluation of mandibular bone density in bruxers: the value of panoramic radiographs. Oral Radiol 39, 117–124 (2023). https://doi.org/10.1007/s11282-022-00612-3

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  • DOI: https://doi.org/10.1007/s11282-022-00612-3

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