Figure 2. Microradiograph of a section cut from a dentin groove specimen after a seven-day in situ period (subject A), showing demineralization along the walls of the groove (arrow). Bar indicates 0.1 mm.
Figure 2. Microradiograph of a section cut from a dentin groove specimen after a seven-day in situ period (subject A), showing demineralization along the walls of the groove (arrow). Bar indicates 0.1 mm.