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KMID : 1024020220520010103
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Imaging Science in Dentistry
2022 Volume.52 No. 1 p.103 ~ p.108
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Volumetric analysis of normal condyles and those with disc displacement with reduction in the Indonesian population: A CBCT study
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Nawawi Azkya Patria
Rikmasari Rasmi
Kurnikasari Erna
Oscandar Fahmi
Lita Yurika Ambar
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Abstract
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Purpose: Disc displacement can cause resorption of the head of the condyle and affect its volume. This study analysed the volume of normal condyles and those with disc displacement with reduction (DDR) in cone-beam computed tomography (CBCT) scans from the Indonesian population.
Materials and Methods: This study analysed 56 condyles (26 normal and 30 with DDR) from patients who visited the Oral and Maxillofacial Radiology Unit after being referred from the Prosthodontics Unit at Dental Hospital Universitas Padjadjaran from December 2020 to February 2021. Samples were divided into 2 groups (normal and DDR left and right-side condyles) based on the DC/TMD Axis 1 form through the clinical examination results. Both sample groups were exposed to CBCT radiation. The CBCT imaging results in the Digital Imaging and Communications in Medicine format were exported to the open-source ITK-SNAP format to determine condyle volume. Volumetric data from the cortical and trabecular areas of the right or left side condyles were arranged by sex. The independent t-test was used to determine the significance of differences with IBM SPSS version 21.0. Intra- and inter-observer reliability and validity were tested before determining the volume of the condyles.
Results: Normal condyles and DDR condyles showed significant differences in volume (P<0.05). Significant differences were also seen in cortical (P=0.0007) and trabecular (P=0.0045) volumes. There was a significant difference in condylar volume based on sex.
Conclusion: The normal condyle volume was significantly different from the DDR condyle volume in both sexes.
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KEYWORD
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Cone-Beam Computed Tomography, Mandibular Condyle, Temporomandibular Disorder
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