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Evaluating the quantity and quality of mandibular ramus using CBCT
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Motahareh Kaboodsaz yazdi1    , Mohammad sajed Hosnifard2 , Seyyed hossein Razavi1 , Arezoo Ansarilari3 |
1- Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
2- Doctot of dental surgery student, School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran , sajed7950@gmail.com
3- Post-graduated student , Department of Oral and Maxillofacial Radiology, School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran |
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Abstract: (1824 Views) |
Background and Aim: Reconstruction of oral structures has become a great concern in the world community due to their aesthetic and health functions. This study was conducted to evaluate the quantity and quality of bone in the ramus of the mandible using CBCT for autogenous bone grafting.
Materials and Methods: This descriptive cross-sectional study was conducted on 60 CBCT images of patients referred to the Department of Oral, Maxillofacial Radiology, Yazd Faculty of Dentistry during 2022-2023. The ramus of the mandible was evaluated by measuring different parameters, including volume, density, and thickness of cortical and cancellous bone. Data were analyzed using SPSS22 statistical software and a t-test, and a P-value less than 0.05 was considered significant.
Results: The results showed that in the apical region, the average thickness of cortical and cancellous bone was 2.28±0.67 and 1.11±0.56 mm, respectively. Also, in the middle region, the thickness of these bones was 2.16±0.74 and 1.06±0.40 mm. The average density and volume of ramus bone were also 1063.70±313.72 Hounsfield and 77.25±239.41 mm³.
Conclusion: There is a direct and significant correlation between the ratio of cortical to cancellous bone thickness in the apical region in relation to age, which indicates a decrease in bone quality with age. This decreasing process of bone quality may be the same in men and women.
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| Keywords: Bone graft, Autogenous graft, Mandibular ramus, Imaging, Cone Beam Computed Tomography |
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Full-Text [PDF 556 kb]
(59 Downloads)
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Type of Study: Applicable |
Subject:
Dentistry
Received: 2024/04/29 | Accepted: 2024/09/18 | Published: 2025/12/30
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