Question 26 · LDEK · Crowns
The doctor planned to perform in the patient zirconium oxide based prosthetic crowns in CAD/CAM technique. Indicate the steps of the fabrication procedure:
1) scanning the prepared teeth and the surrounding tissues;
2) scanning the opposing teeth and teeth in maximal intercuspidation;
3) designing the restoration;
4) fabrication of gypsum sectional model;
5) fabrication of crown wax up;
6) milling of the restoration;
7) casting of the restoration;
8) baking of the restoration;
9) pressing of the restoration; 10) sintering of the restoration; 11) dye infiltration of the restoration; 12) veneering the ceramic restorations with ceramics.
The correct answer is:
2) scanning the opposing teeth and teeth in maximal intercuspidation;
3) designing the restoration;
4) fabrication of gypsum sectional model;
5) fabrication of crown wax up;
6) milling of the restoration;
7) casting of the restoration;
8) baking of the restoration;
9) pressing of the restoration; 10) sintering of the restoration; 11) dye infiltration of the restoration; 12) veneering the ceramic restorations with ceramics.
The correct answer is:
- A. 1,2,3,6,10,12.
- B. 1,3,4,5,7,12.
- C. 1,2,3,6,10,11.
- D. 1,2,3,8,10,11.
- E. 1,2,3,9,10,12.
Hint
Follow a fully digital zirconia workflow: what is scanned, designed and milled, and what must happen to pre-sintered zirconia afterwards?
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