Fractal analysis of mandibular bone structure in individuals with unilateral crossbite
This study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis. This study was conducted using panoramic films obtained retrospectively from 45 individuals with crossbite and 45 individuals with normal occlusion (NO). Fractal measure...
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| Published in: | Korean journal of orthodontics (2012) Vol. 55; no. 4; p. 306 |
|---|---|
| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
Korea (South)
25.07.2025
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| Subjects: | |
| ISSN: | 2234-7518 |
| Online Access: | Get more information |
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| Abstract | This study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis.
This study was conducted using panoramic films obtained retrospectively from 45 individuals with crossbite and 45 individuals with normal occlusion (NO). Fractal measurements were performed on the condyle, corpus, and angulus on both left and right sides of the panoramic films. The films were divided into three groups: cross-side (Cs), normal-side (Ns), and NO. The Cs group was further analyzed on the basis of the number of teeth in the crossbite. Data were analyzed using the non-parametric Kruskal-Wallis test and post-hoc Dunnett's T3 multiple-comparison test. Statistical significance was set at
< 0.05.
The mean condylar fractal dimension (FD) showed no significant difference between the groups (
> 0.05). The mean angulus FD in the Cs group was significantly higher than that in the NO group (
= 0.006). Similarly, the mean corpus FD in the NO group was significantly lower than those in the Cs and Ns groups (
= 0.003). In the Cs group, comparisons based on the number of teeth in the crossbite showed no significant differences among the condyle, angulus, or corpus regions.
Fractal analysis may be an effective approach for detecting variations in mandibular trabecular patterns associated with unilateral crossbites. In cases of unilateral crossbite, the trabecular structure was affected in the angulus and corpus regions. |
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| AbstractList | This study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis.ObjectiveThis study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis.This study was conducted using panoramic films obtained retrospectively from 45 individuals with crossbite and 45 individuals with normal occlusion (NO). Fractal measurements were performed on the condyle, corpus, and angulus on both left and right sides of the panoramic films. The films were divided into three groups: cross-side (Cs), normal-side (Ns), and NO. The Cs group was further analyzed on the basis of the number of teeth in the crossbite. Data were analyzed using the non-parametric Kruskal-Wallis test and post-hoc Dunnett's T3 multiple-comparison test. Statistical significance was set at P < 0.05.MethodsThis study was conducted using panoramic films obtained retrospectively from 45 individuals with crossbite and 45 individuals with normal occlusion (NO). Fractal measurements were performed on the condyle, corpus, and angulus on both left and right sides of the panoramic films. The films were divided into three groups: cross-side (Cs), normal-side (Ns), and NO. The Cs group was further analyzed on the basis of the number of teeth in the crossbite. Data were analyzed using the non-parametric Kruskal-Wallis test and post-hoc Dunnett's T3 multiple-comparison test. Statistical significance was set at P < 0.05.The mean condylar fractal dimension (FD) showed no significant difference between the groups (P > 0.05). The mean angulus FD in the Cs group was significantly higher than that in the NO group (P = 0.006). Similarly, the mean corpus FD in the NO group was significantly lower than those in the Cs and Ns groups (P = 0.003). In the Cs group, comparisons based on the number of teeth in the crossbite showed no significant differences among the condyle, angulus, or corpus regions.ResultsThe mean condylar fractal dimension (FD) showed no significant difference between the groups (P > 0.05). The mean angulus FD in the Cs group was significantly higher than that in the NO group (P = 0.006). Similarly, the mean corpus FD in the NO group was significantly lower than those in the Cs and Ns groups (P = 0.003). In the Cs group, comparisons based on the number of teeth in the crossbite showed no significant differences among the condyle, angulus, or corpus regions.Fractal analysis may be an effective approach for detecting variations in mandibular trabecular patterns associated with unilateral crossbites. In cases of unilateral crossbite, the trabecular structure was affected in the angulus and corpus regions.ConclusionsFractal analysis may be an effective approach for detecting variations in mandibular trabecular patterns associated with unilateral crossbites. In cases of unilateral crossbite, the trabecular structure was affected in the angulus and corpus regions. This study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis. This study was conducted using panoramic films obtained retrospectively from 45 individuals with crossbite and 45 individuals with normal occlusion (NO). Fractal measurements were performed on the condyle, corpus, and angulus on both left and right sides of the panoramic films. The films were divided into three groups: cross-side (Cs), normal-side (Ns), and NO. The Cs group was further analyzed on the basis of the number of teeth in the crossbite. Data were analyzed using the non-parametric Kruskal-Wallis test and post-hoc Dunnett's T3 multiple-comparison test. Statistical significance was set at < 0.05. The mean condylar fractal dimension (FD) showed no significant difference between the groups ( > 0.05). The mean angulus FD in the Cs group was significantly higher than that in the NO group ( = 0.006). Similarly, the mean corpus FD in the NO group was significantly lower than those in the Cs and Ns groups ( = 0.003). In the Cs group, comparisons based on the number of teeth in the crossbite showed no significant differences among the condyle, angulus, or corpus regions. Fractal analysis may be an effective approach for detecting variations in mandibular trabecular patterns associated with unilateral crossbites. In cases of unilateral crossbite, the trabecular structure was affected in the angulus and corpus regions. |
| Author | Cik, Serdar Kiki, Ali Acıkgoz, Gozde |
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| Snippet | This study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis.
This study was conducted... This study aimed to examine the effects of unilateral crossbite on the structure of the mandibular bone by using fractal analysis.ObjectiveThis study aimed to... |
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| Title | Fractal analysis of mandibular bone structure in individuals with unilateral crossbite |
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