News Column

Findings from Osaka University Graduate School of Dentistry Provide New Insights into Clinical Trials and Studies

June 23, 2014

By a News Reporter-Staff News Editor at Clinical Trials Week -- Investigators discuss new findings in Clinical Research. According to news reporting out of Osaka, Japan, by NewsRx editors, research stated, "Coronal tooth lesions, such as caries, enamel cracking, and composite resin restoration cavities, have been observed by optical coherence tomography (OCT). This pilot study was performed to verify whether OCT could reveal details of root canals filled with resin core build-up."

Our news journalists obtained a quote from the research from the Osaka University Graduate School of Dentistry, "A dual-cure, one-step, self-etch adhesive system-bonding agent (Clearfil Bond SE ONE, Kuraray Noritake Dental) and dual-cure resin composite core material (Clearfil DC Core Automix ONE, Kuraray Noritake Dental) were used according to the manufacturer's instructions in root canals. OCT was performed at three stages of the core build-up: after the post space preparation, after bonding application, and after resin core fabrication. The cementum was removed in the cementum absent group and the root was left untreated in the cementum present group. Bubbles were observed in the resin cores and gaps formed between the resin core and dentin. In the cementum absent group, the internal structure of the root could be visualized clearly compared with the cementum present group."

According to the news editors, the research concluded: "The root internal structure could be observed by OCT and the image became clearer when cementum was removed."

For more information on this research see: Nondestructive observation of teeth post core space using optical coherence tomography: a pilot study. Journal of Biomedical Optics, 2014;19(4):046004 (see also Clinical Research).

Our news journalists report that additional information may be obtained by contacting T. Minamino, Osaka University Graduate School of Dentistry, Dept. of Fixed Prosthodontics, 1-8 Yamadaoka, Suita, Osaka 565-0871, Japan. Additional authors for this research include A. Mine, K. Omiya, M. Matsumoto, H. Nakatani, T. Iwashita, M. Ohmi, K. Awazu and H. Yatani.

Keywords for this news article include: Asia, Osaka, Japan, Dentistry, Clinical Research, Imaging Technology, Clinical Trials and Studies, Optical Coherence Tomography.

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Source: Clinical Trials Week

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