Influence of the condition of the adjacent tooth surface on fluorescence measurements for the detection of approximal caries

被引:13
作者
Lussi, A.
Zimmerli, B.
Hellwig, E.
Jaeggi, T.
机构
[1] Univ Bern, Sch Dent Med, Dept Prevent Restorat & Pediat Dent, CH-3010 Bern, Switzerland
[2] Univ Clin, Dept Operat Dent & Periodontol, Freiburg, Germany
[3] Sch Dent, Freiburg, Germany
关键词
approximal caries; caries detection; dental material; DIAGNOdentpen; laser fluorescence;
D O I
10.1111/j.1600-0722.2006.00410.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The aim of this study was to test whether the status of the adjacent tooth surface has an influence on the signal of a new laser fluorescence (LF) device for the detection of approximal caries. Seventy-eight teeth were selected from a pool of extracted permanent human molars, frozen at -20 degrees C until use. Before being measured the teeth were defrosted, cleaned, and any calculus removed. As a control, a defined approximal surface of each tooth was measured with the LF device holding the tip with the detecting- and the reverse-side on it, but without a neighboring tooth contacting the surface. The proximal site under examination was then placed adjacent to a tooth, which had deep dentinal caries, a composite restoration, a provisional ZnO-Eugenol restoration, or a ceramic restoration. The adjacent tooth with the ZnO-Eugenol restoration, the composite restoration, and the dentinal caries all demonstrated a statistically significant increase of LF readings on sound tooth surfaces. Teeth with enamel or dentinal caries were only slightly (and not statistically significantly) influenced by the different types of neighboring surfaces compared with the control LF readings. It can be concluded that caries detection of approximal tooth surfaces with the new LF system might be influenced by the condition of the adjacent tooth surface.
引用
收藏
页码:478 / 482
页数:5
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