Anterior MCC Flashcards
1
Q
What are the indications for a anterior MCC?
A
- Teeth that require full coverage & high esthetic demands
- Need strength/retention
- Need to cover axial contours
- Durability with superior marginal fit
- RPD survey crown
- FPD retainer
2
Q
What are the contraindications of an MCC?
A
- Active caries
- Untreated perio disease
- Large pulp chambers, young pts
- If more conservative retainer is feasible
3
Q
What are the advantages of an MCC?
A
- Combines strength + ethetics
- Retentive and resistant
- Fairly easy preparation compared to partial coverage retainers
4
Q
What are the disadvantages of MCCs?
A
- Significant tooth reduction
- Subgingival margins for esthetics
- Slightly inferior in esthetics to all ceramic
- Subject to brittle fracture
- More expensive
- Shade selection
5
Q
What is the incisal reduction for an MCC anterior?
A
2.0 mm measured in protrusion
6
Q
What’s required to form a chemical bond between metal and porcelain?
A
Oxidation of the metal
7
Q
What are the layers of porcelain put on?
A
- Opaque
- Body
- Incisal
8
Q
Which porcelain contains metalic oxides that aid in the shade matching?
A
Body porcelain
