1. Types of Manufacturing faults for Fixed Prosthodontics Unit 12 (theory) 11:15 – 12:45

2. Pierre Fauchard

3. As a dental technician you will be responsible for the design of a restoration and will ultimately contribute to It’s success or failure Therefore it is a good idea to be aware of some design principles

4. Porcelain was successfully used in dentistry when the technique to fire all porcelain jacket crowns on a platinum matrix was developed.

5. The metal ceramic restoration became commercially available in the 1950s

6. Metal ceramic restorations consist of a metal substructure supporting a ceramic veneer that is mechanically and chemically bonded to it.

7. Sectional view of a metal-ceramic crown Alloy substrate First ceramic layer (opaque)First ceramic layer (opaque) Veneering porcelain (Dentine & Enamel)Veneering porcelain (Dentine & Enamel)

8. Nominal thickness of crown material. Tooth preparation Alloy substructure Porcelain