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Figure 2. Upper incisor color charting. The Vita shade guide color code converted to color groups 1 (whiter), 2 (yellow/tan), or 3 (deep yellow/orange), and the average value for the 6 mice from each strain per treatment group plotted over time in wks (Panels: A = 129P3/J; B = A/J; C = BALB/cJ; D = C3H/HeJ; E = C57BL/6J; F = C57BL/10J; G = CBA/J; H = FVB/NJ; I = SJL/J; and J = SWR/J). These data show that mouse strains respond differently to fluoride treatment and that tooth color changes are dose-responsive. 0 ppm [F] = solid circles with dashed lines, 25 ppm = solid squares, and 50 ppm = solid triangles.
