γγ1, fluorosis patient anterior tooth crown fracture exposed pulp, root canal treatment; 2, placement of root canal fiber pile, tooth preparation; 3, restoration completed.γγThe difficulty of this case is the heavy fluorosis tooth colorimetric and its difficulties, and the patient because of economic reasons can not afford the cost of all-ceramic restorations, through Co-Cr super porcelain crowns with shoulder porcelain technology, as well as special staining, to obtain good results.