在不同分辨率扫描的存储磷光板X光片中检测体外近端龋齿。

Detection of in vitro proximal caries in storage phosphor plate radiographs scanned with different resolutions.

作者信息

Li G, Berkhout W E R, Sanderink G C H, Martins M, van der Stelt P F

机构信息

Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Hai Dian District, Beijing, PR China.

出版信息

Dentomaxillofac Radiol. 2008 Sep;37(6):325-9. doi: 10.1259/dmfr/62591340.

DOI:10.1259/dmfr/62591340

PMID:18757717

Abstract

OBJECTIVES

To investigate the effect of the scanning resolution of storage phosphor plate (SPP) radiographs on the detection of proximal caries lesions.

METHODS

10 dentists evaluated 72 proximal surfaces of premolars with respect to caries from SPP radiographs scanned with theoretical spatial resolutions of: (1) the Digora FMX at 7.8 lp mm(-1); (2) the Digora Optime at both 7.8 lp mm(-1) and 12.5 lp mm(-1); and (3) the Dürr VistaScan at 10 lp mm(-1) and 20 lp mm(-1), respectively. The lesions were validated by histological examination. Receiver operating characteristic (ROC) analysis was employed.

RESULTS

The A(z) value for the radiographs scanned with the Dürr VistaScan at 10 lp mm(-1) is significantly lower than those for the other series of radiographs (P = 0.000).

CONCLUSIONS

For SPP radiographs, an increased theoretical spatial resolution per se is not related to an improved detection of proximal caries.

摘要

目的

研究存储磷光板（SPP）X线片的扫描分辨率对邻面龋损检测的影响。

方法

10名牙医根据用理论空间分辨率扫描的SPP X线片对72个前磨牙邻面的龋损情况进行评估，这些分辨率分别为：（1）Digora FMX的7.8 lp mm⁻¹；（2）Digora Optime的7.8 lp mm⁻¹和12.5 lp mm⁻¹；（3）Dürr VistaScan的10 lp mm⁻¹和20 lp mm⁻¹。通过组织学检查对病损进行验证。采用受试者操作特征（ROC）分析。