TY - JOUR
T1 - Detection of occlusal caries in primary teeth using swept source optical coherence tomography
AU - Nakajima, Yukie
AU - Shimada, Yasushi
AU - Sadr, Alireza
AU - Wada, Ikumi
AU - Miyashin, Michiyo
AU - Takagi, Yuzo
AU - Tagami, Junji
AU - Sumi, Yasunori
N1 - Funding Information:
This work was supported, in part, by a Grant-in-Aid for Scientific Research (No. 24592861) from Japan Society for the Promotion of Science and a Research Grant for Longevity Sciences (21A-8) from Ministry of Health, Labor, and Welfare.
PY - 2014/1
Y1 - 2014/1
N2 - This study aimed to investigate swept source optical coherence tomography (SS-OCT) as a detecting tool for occlusal caries in primary teeth. At the in vitro part of the study, 38 investigation sites of occlusal fissures (noncavitated and cavitated) were selected from 26 extracted primary teeth and inspected visually using conventional dental equipment by six examiners without any magnification. SS-OCT cross-sectional images at 1330-nm center wavelength were acquired on the same locations. The teeth were then sectioned at the investigation site and directly viewed under a confocal laser scanning microscope (CLSM) by two experienced examiners. The presence and extent of caries were scored in each observation. The results obtained from SS-OCT and conventional visual inspections were compared with those of CLSM. Consequently, SS-OCT could successfully detect both cavitated and noncavitated lesions. The magnitude of sensitivity for SS-OCT was higher than those for visual inspection (sensitivity of visual inspection and SS-OCT, 0.70 versus 0.93 for enamel demineralization, 0.49 versus 0.89 for enamel cavitated caries, and 0.36 versus 0.75 for dentin caries). Additionally, occlusal caries of a few clinical cases were observed using SS-OCT in vivo. The results indicate that SS-OCT has a great detecting potential for occlusal caries in primary teeth.
AB - This study aimed to investigate swept source optical coherence tomography (SS-OCT) as a detecting tool for occlusal caries in primary teeth. At the in vitro part of the study, 38 investigation sites of occlusal fissures (noncavitated and cavitated) were selected from 26 extracted primary teeth and inspected visually using conventional dental equipment by six examiners without any magnification. SS-OCT cross-sectional images at 1330-nm center wavelength were acquired on the same locations. The teeth were then sectioned at the investigation site and directly viewed under a confocal laser scanning microscope (CLSM) by two experienced examiners. The presence and extent of caries were scored in each observation. The results obtained from SS-OCT and conventional visual inspections were compared with those of CLSM. Consequently, SS-OCT could successfully detect both cavitated and noncavitated lesions. The magnitude of sensitivity for SS-OCT was higher than those for visual inspection (sensitivity of visual inspection and SS-OCT, 0.70 versus 0.93 for enamel demineralization, 0.49 versus 0.89 for enamel cavitated caries, and 0.36 versus 0.75 for dentin caries). Additionally, occlusal caries of a few clinical cases were observed using SS-OCT in vivo. The results indicate that SS-OCT has a great detecting potential for occlusal caries in primary teeth.
KW - Detection
KW - Occlusal caries
KW - Optical coherence tomography
KW - Primary teeth
KW - Sensitivity
KW - Specificity
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U2 - 10.1117/1.JBO.19.1.016020
DO - 10.1117/1.JBO.19.1.016020
M3 - Article
C2 - 24474506
AN - SCOPUS:84897798997
VL - 19
JO - Journal of Biomedical Optics
JF - Journal of Biomedical Optics
SN - 1083-3668
IS - 1
M1 - 016020
ER -