Fig. 6-11
(left)
Schematic of simultaneous X-ray and gamma-ray detection system

Fig. 6-12
(right)
An example of a tooth sample

The sample was prepared by locating a class V cavity and filling it with dental material. After one month immersion in normal saline at 37 degree Celsius, the samples were bisected longitudinally.

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Persistent Quest Research Activities 2004
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