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Case records from 151 patients (59 men, mean age 58, and 92 women, mean age 58) were analysed.
They were treated with a total of 184 zirconia FDPs, and the distribution between the three clinics was 39, 56, and 89 FDPs.
However, the most frequent clinical complication found in zirconia FDPs has been chipping of the ceramic veneer [15–17], notably on implant-supported restorations [18, 19].
Zirconia is a high-strength ceramic material with high fracture toughness, chemical inertness, and decent aesthetic properties, which is used mainly as a core material for single and multiunit fixed dental prostheses (FDPs) and abutments [3, 4].
The high fracture resistance of zirconia is due to the ability of the material to transform from one structural phase to another, when exposed to stress.
All other complications during the follow-up period were also registered.
The treating dentist conducted clinical follow-up examinations once a year for three years.