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Erschienen in:
19.04.2022 | Original Article
Evaluation of mandibular bone density in bruxers: the value of panoramic radiographs
Erschienen in: Oral Radiology | Ausgabe 1/2023
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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.