| http://www.w3.org/ns/prov#value | - For example, in the embodiments of FIGS. 9a through 9c, illumination means 30, such as an optical fiber, receives light from a light source within camera head 14 (or via means which carries light to camera head 14), and provides this light via, for example, optical fibers or a rod lens, to the opposite side of the area being examined, for example a tooth, thereby allowing the tooth to be transillu
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