Return of G.V. Black
The B/L width of the external outline form should be this much of the intercuspal distance
1/3-1/4
This is the major contraindication of FMC
Aesthetics
Dentin should be etched for this long, and kept moist
15 seconds
A metal crown can be noble, high noble, or this
Base
Porcelain
This principle refers to the ability of the shape/form of the prepared cavity to resist displacement or removal of the restoration
Retention form
This is the ideal amount of taper for the axial walls of a crown prep
6-8 degrees
This is the best material to use for Class V restorations
Resin-modified glass ionomer
Metals have this property that allows them to dent (not break) when a force is applied
Plastic deformation
This ceramic is most commonly used for veneering a PFM
Feldspathic
This provides a thin barrier that protects pulpal tissue and provides a therapeutic benefit. It does not function as a thermal insulator.
Liner
The crown is more fixed/stable if there is a 2 mm this cervical to the core margin
Ferrule
This is the primary cause of internal voids in composite restorations
Placement technique
In a PFM crown, the metal and ceramic are joined by mechanical retention, chemical bond, and these forces
Compressive forces
The crystalline portion of ceramic confers the mechanical properties, while this portion confers the aesthetic properties
This wall should not be beveled on a Class III prep
Incisal wall
DAILY DOUBLE!!!!!!!!
This is done on FMC preps to increase the thickness of the restoration at the axio-occlusal junction
Functional cusp bevel
If this type of stress is greater than the bond strength, the composite restoration will debond from the walls
Shrinkage
In a FMC is placed in occlusion against an amalgam restoration, this may occur
Galvanic shock
Crystals
Restricting the extension of the prep to allow strong cusp and ridge areas to remain with sufficient dentin support is an example of this principle
Resistance form
The biological width is approximately 2.0 mm wide, containing the junctional epithelial attachment and this attachment
Connective tissue
Secondary caries is more common in posterior teeth because this is more challenging
Rubber dam isolation
These are added to PFM crowns to create pigent for aesthetics
Metallic oxides
When stress is added to a zirconia crown, it returns to this phase to hold the crack
Monoclinic