1.

At_which_temperature,_the_bone_is_calcinated_during_defluoridation_with_calcium_phosphate?$

A. 100-200<sup>o</sup>C
B. 200-300<sup>o</sup>C
C. 400-600<sup>o</sup>C
D. 500-800<sup>o</sup>C
Answer» D. 500-800<sup>o</sup>C


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