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首页> 外文期刊>Photodiagnosis and Photodynamic Therapy >Comparison of different diagnostic techniques in detecting smooth surface caries in primary molars using the histological gold standard: An in vitro study
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Comparison of different diagnostic techniques in detecting smooth surface caries in primary molars using the histological gold standard: An in vitro study

机译：使用组织学黄金标准检测初级臼齿的不同诊断技术的比较：体外研究

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Objective: This in vitro study evaluated the caries status of the smooth surfaces of primary molars using the DIAGNOdent pen, Vistacam iX, and Bitewing radiography as compared to histologic assessment.Methods: 68 primary molars were selected, and their mesial or distal caries status were determined using DIAGNOdent pen, Bitewing radiography, and Vistacam iX. To achieve reference standards, the teeth were sectioned and directly assessed by a stereomicroscope. The Mc Nemar test was used to compare the sensitivity, specificity, and accuracy of the methods. The spearman rank correlation coefficient (r) was also determined to compare the extent of caries with histology. The statistical significance level was set at alpha = 0.05.Results: Regarding D1 as a cut-off point for histological assessments, sensitivity, specificity, and accuracy of DIAGNOdent pen were 82 %, 75 %, and 80 % while the values were 63 %, 100 % and 62 % for bitewing radiography and 56 %, 100 % and 59 % for Vistacam iX. Regarding D3 as a cut-off point for histological analysis; Sensitivity, specificity, and accuracy rates of DIAGNOdent pen were 71 %, 86 % and 80 % while these values were 71 %, 73 % and 72 % for bitewing radiography and 50 %, 78 % and 67 % for Vistacam iX.Conclusion: In conclusion, the DIAGNOdent pen shows the highest performance and accuracy to detect smooth surface caries both at D1 and D3 among the three methods. Although VistaCam iX and bitewing radiography showed better performance at D3 compared to D1, their performances were lower than the DIAGNOdent pen.
机译：目的：与组织学评估相比，这种体外研究评估了使用诊断笔，Vistacam IX和BITEWING放射线照相评估了初级臼齿的光滑表面的龋齿状态。方法：选择68个原磨牙，并且它们的歧视或远端龋病状态使用诊断笔，BITEWING射线照相和Vistacam IX确定。为了实现参考标准，牙齿被切割并通过立体显微镜直接评估。 MC Nemar测试用于比较方法的灵敏度，特异性和准确性。 Spearman等级相关系数（R）也被确定以比较与组织学的龋齿程度。统计显着性水平设定为α= 0.05.结果：关于D1作为组织学评估的截止点，诊断笔的敏感性，特异性和准确性为82％，75％和80％，而这些值为63％ BITEWING射线照相的100％和62％，Vistacam IX的56％，100％和59％。关于D3作为组织学分析的截止点;诊断笔的敏感性，特异性和精度率为71％，86％和80％，而Bitewing射线照相的这些值为71％，73％和72％，50％，78％和67％用于Vistacam IX.Conclusion：在结论，诊断笔显示出在三种方法中检测D1和D3的光滑表面龋齿的最高性能和准确性。尽管与D1相比，Vistacam IX和Bitewing射线照相显示D3的性能更好，但它们的性能低于诊断笔。

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