Developmental and Post-Eruptive Defects in Molar Enamel of Free-Ranging Eastern Grey Kangaroos (Macropus giganteus) Exposed to High Environmental Levels of Fluoride.

Age ranged between 2.0 and 5.2 years in the animals from the low-fluoride areas and between 1.6 and 13.3 years in those from the high-fluoride area ( Table 2 ) The difference in bone fluoride concentration between the two groups was highly significant (p < 0.0001), whereas no significant difference existed for age (p = 0.12) ( Table 2 ).

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