#1 The patient came in with old PFM crowns. Intraoral examination showed a periodontal inflammation with increased probing depth related to the old anterior crowns.

#2 Zirconia crowns were chosen for biocompatibility and esthetics.

#3 When fabricating the zirconia copings, white opaque coloring liquid was applied inside of the copings to mask the dark stump shade of the #8 and #9 abutments before sintering.

#4 After that, the crowns were fabricated by the conventional method.