Evaluating the effects of orthodontic treatment with clear aligners and conventional brackets on mandibular condyle bone quality using fractal dimension analysis of panoramic radiographs

Ertuğrul, Betül Yüzbaşıoğlu; Veli, İlknur

doi:10.1016/j.jormas.2022.06.001

Cited by 2 publications

(2 citation statements)

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“…However, author mentioned the need for further clinical studies to confirm this hypothesis [ 34 ]. Ertuğrul et al [ 35 ]. , another study, compared transparent aligners with conventional braces and examined their effects on the condyle.…”

Section: Discussionmentioning

confidence: 99%

“…The authors reported a decrease in condylar fractal values after treatment in patients undergoing orthodontic treatment with clear aligners. They attributed this reduction to the impact of clear aligners on the condylar region, suggesting that clear aligners could affect the temporomandibular joint, consequently influencing the condyle [ 35 ]. Gümüş et al [ 36 ].…”

Section: Discussionmentioning

confidence: 99%

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The effect of mentoplate application on the condyle

Tekin,

Kocak,

Kuleli

et al. 2024

BMC Oral Health

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Background The aim of the study was to investigate the changes occurring in the mandibular condyle by using mentoplate together with rapid maxillary expansion (MP-RME) treatment in the correction of skeletal class III relationship, using fractal analysis (FA). Methods The sample consisted of 30 individuals (8–11 years) diagnosed with skeletal Class III malocclusion who underwent MP-RME treatment. Archival records provided cone-beam computed tomography (CBCT) images taken at two intervals: before MP-RME treatment (T0) and after treatment (T1). The CBCT images were obtained using standardized settings to ensure consistency in image quality and resolution. The trabecular structures in the bilateral condyles at both T0 and T1 were analyzed using FA. The FA was performed on these condylar images using the Image J software. The region of interest (ROI) was carefully selected in the condyle to avoid overlapping with cortical bone, and the box-counting method was employed to calculate the fractal dimension (FD). Statistical analysis was conducted to compare the FD values between T0 and T1 and to evaluate gender differences. The statistical significance was determined using paired t-tests for intra-group comparisons and independent t-tests for inter-group comparisons, with a significance level set at p < 0.05. Results The analysis revealed no statistically significant differences in the trabecular structures of the condyles between T0 and T1 (p > 0.05). However, a significant gender difference was observed in FA values, with males exhibiting higher FA values in the left condyle compared to females at both T0 and T1 (p < 0.05). Specifically, the FA values in the left condyle increased from a mean of 1.09 ± 0.09 at T0 to 1.13 ± 0.08 at T1 in males, whereas in females, the FA values remained relatively stable with a mean of 1 ± 0.09 at T0 and 1.03 ± 0.11 at T1. Conclusion The findings indicate that MP-RME therapy does not induce significant alterations in the trabecular structure of the mandibular condyle. These results suggest the treatment’s safety concerning the structural integrity of the condyle, although the observed gender differences in FA values warrant further investigation.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%