Rai Shalu, Misra Deepankar, Misra Akansha
Department of Oral Medicine and Radiology and, Institute of Dental Studies and Technologies, Modinagar, Uttar Pradesh, India.
Department of Oral Pathology, Institute of Dental Studies and Technologies, Modinagar, Uttar Pradesh, India.
J Indian Soc Periodontol. 2020 Nov-Dec;24(6):560-566. doi: 10.4103/jisp.jisp_719_18. Epub 2020 Nov 14.
The density of cortical and cancellous bone is a key reason for implant anchorage which might be severely affected during diabetes.
The aim of the study was to establish the role of cone-beam computed tomography (CBCT) using grayscale values in determining bone density in different jaw sites and in comparing the values in healthy with diabetic patients.
Bone densities in 322 possible implant sites in healthy and diabetic patients were evaluated using NewTomGiano CBCT machine. Cross-sections obtained were assessed for bone densities in terms of Hounsfield Unit on different sites using New Net Technologies software version 6.1.
Data were statistically analyzed using SPSS software (version 19.0).
Age-wise cortical and cancellous bone densities were compared and no statistical significance was obtained. Gender-wise bone density was compared and significant results were found in males. Jaw-wise bone density was compared and was found to be significantly high in the mandible. The mean cortical bone density in control group was 1608.572 (±380.36), whereas in diabetic group was 1395.368 (±296.97), and the mean cancellous bone density in control was 906.918 (±185.40) and in diabetic was 559.868 (±128.16). Teeth wise in cortical bone significant values were found at premolar region ( = 0.046) and in cancellous bone significant values were found at canine and premolar region ( = 0.012) and highly significant values were found at molar region ( = 0.001).
CBCT unveils a distinct pattern of cortical and cancellous bone density. A high degree of concordance between different regions of the mouth in cortical and cancellous bones was obtained in different study groups. CBCT could be used for bone density analysis.
皮质骨和松质骨的密度是种植体锚固的关键因素，而糖尿病期间这一因素可能会受到严重影响。
本研究旨在确定使用灰度值的锥形束计算机断层扫描（CBCT）在测定不同颌骨部位骨密度以及比较健康患者与糖尿病患者骨密度值方面的作用。
使用NewTomGiano CBCT机评估322个健康患者和糖尿病患者可能的种植部位的骨密度。使用New Net Technologies软件6.1版本，根据亨氏单位对不同部位获得的横截面进行骨密度评估。
使用SPSS软件（版本19.0）对数据进行统计分析。
按年龄比较皮质骨和松质骨密度，未获得统计学意义。按性别比较骨密度，在男性中发现显著结果。按颌骨比较骨密度，发现下颌骨骨密度显著更高。对照组的平均皮质骨密度为1608.572（±380.36），而糖尿病组为1395.368（±296.97），对照组的平均松质骨密度为906.918（±185.40），糖尿病组为559.868（±128.16）。在皮质骨中，在前磨牙区域发现显著值（=0.046），在松质骨中，在尖牙和前磨牙区域发现显著值（=0.012），在磨牙区域发现高度显著值（=0.001）。
CBCT揭示了皮质骨和松质骨密度的独特模式。在不同研究组中，口腔不同区域的皮质骨和松质骨之间获得了高度一致性。CBCT可用于骨密度分析。
