Evaluation of the mandibular trabecular bone in patients with bruxism using fractal analysis
- 49 Downloads
The aims of this study were (1) to investigate the effect of bruxism on the fractal dimension (FD) of the mandibular trabecular bone through digital panoramic radiographs, and (2) to evaluate the effectiveness of fractal analysis as a diagnostic test for bruxism.
One hundred and six bruxer and 106 non-bruxer patients were included in the study. Three bilateral regions of interest (ROI) were selected: ROI-1, the mandibular condyle; ROI-2, the mandibular angle; ROI-3, the-area between the apical regions of the mandibular second premolar and the first molar teeth. FD values for the bruxer and non-bruxer groups were compared for each ROI.
Only the FD measurements for the right mandibular condyle (ROI-1) showed a statistically significant difference (p = 0.041) between the bruxer and non-bruxer individuals. FD values measured in the bruxers (1.40 ± 0.09) were lower than in the non-bruxers (1.42 ± 0.08).
Fractal analysis may be a useful method for discerning trabecular differences in the condylar areas of bruxer individuals. In future studies, the unilateral mastication habits, the characteristics of dental wear, and the occlusal bite forces of individuals should be documented.
KeywordsBruxism Fractal analysis Mandible Trabecular bone
No funding to declare.
- 13.Sogur E, Baksi BG. Imaging systems used for diagnosis of periodontal pathology. Part 2: alternative imaging systems and image processing methods. Ege Dent J. 2014;35(1):10–8.Google Scholar
- 23.Manfredini D, Landi N, Romagnoli M, Cantini E, Bosco M. Etiopathogenesis of parafunctional habits of the stomatognathic system. Minerva Stomatol. 2003;52(7–8):339–45, 345–9.Google Scholar
- 25.Chen SK, Oviir T, Lin CH, Leu LJ, Cho BH, Hollender L. Digital imaging analysis with mathematical morphology and fractal dimension for evaluation of periapical lesions following endodontic treatment. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2005;100(4):467–72.PubMedCrossRefPubMedCentralGoogle Scholar
- 31.Apolinário AC, Sindeaux R, de Souza Figueiredo PT, Guimarães AT, Acevedo AC, Castro LC, et al. Dental panoramic indices and fractal dimension measurements in osteogenesis imperfecta children under pamidronate treatment. Dentomaxillofac Radiol. 2016;45(4):20150400.PubMedPubMedCentralCrossRefGoogle Scholar
- 32.Shrout MK, Farley BA, Patt SM, Potter BJ, Hildebolt CF, Pilgram TK, et al. The effect of region of interest variations on morphologic operations data and gray-level values extracted from digitized dental radiographs. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1999;88(5):636–9.PubMedCrossRefPubMedCentralGoogle Scholar
- 33.Sener E, Baksi BG. Evaluation of fractal dimension and mandibular cortical index in healthy and osteoporosis patients. Ege Dent J. 2016;37(3):159–67.Google Scholar
- 42.Yasar F. Comparison of osteoporotic bone trabecular findings with radiographic, digital analysis and bone mineral density methods. Selçuk University, Doctoral Thesis; 2002.Google Scholar
- 45.Kavakli Y. Evaluation of the efficacy of two different devices in the treatment of patients with sleep bruxism diagnosed by polysomnography. Hacettepe University, Doctoral Thesis; 2006.Google Scholar
- 46.White SC, Pharoah MJ. Oral radiology-E-Book: principles and interpretation. Elsevier Health Sciences; 2014.Google Scholar