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a, b The severity of DF was categorized using clinical criteria and QF. a Lower incisors assessed using the modified TF scale for DF. b QF analysis of DF in lower incisors. c Serum [F] (μM) between inbred strains and F treatment. d Bone [F] content (ppm) between inbred strains and F treatment. n = 4–6; ∗ p ≤ 0.05 and ∗∗ p ≤ 0.001 comparing treated and untreated groups within each strain.
