Diagnosis with precious image of defects and secondary caries within the rest oration using non-invasive tomography

光学相干层析成像（OCT）是一种无创成像方式，无需辐射剂量即可实现内部结构的横断层析可视化。本研究的目的是利用OCT进行牙齿修复体的无损检查和龋齿的诊断。复合树脂修复体的内部缺陷和边缘间隙在断层扫描中进行非破坏性评估。在本研究的限制下，OCT是一种很有前途的复合树脂修复体无损检查和龋齿检测的成像方式。

Optical coherence tomography(OCT) is noninvasive imaging modality which enables cross-sectional tomographic visualization of internal structure without radiation dose. The purpose of this study was to utilize the OCT for the non-destructive examination of dental restorations and for the diagnosis of caries. Internal defects and marginal gaps within the composite resin restorations were evaluated non-destructively in tomograms. Carious lesions of extracted teeth were detected using OCT. Within the limitation of our study, it is suggested that the OCT is a promising imaging modality for non-destructive examination of composite resin restoration and for the detection of carious lesion.