Foundations of Crown Preps Exam
Questions and Answers (Most Recent
Version, Complete Study
In an ideal posterior gold crown prep, the axial reduction should be _____ mm - CORRECT ANSWERS
1 mm
In an ideal posterior gold crown prep, the occlusal reduction should be _____ mm - CORRECT ANSWERS
1.5 mm
In an ideal posterior gold crown prep, the margin width should be _____ mm - CORRECT ANSWERS
0.5-0.7 mm
In an ideal posterior gold crown prep, the cervical margin should be _____ mm supragingival - CORRECT
ANSWERS 0.25 mm
In an ideal posterior gold crown prep, the margin should be... - CORRECT ANSWERS chamfer
In an ideal posterior gold crown prep, the path of insertion deviates less than... - CORRECT ANSWERS
10 degrees
In an ideal posterior gold crown prep, the prep should taper... - CORRECT ANSWERS 3-5
degrees per wall
In an ideal posterior PFM crown prep, the axial reduction should be _____ mm - CORRECT ANSWERS
1-1.5 mm
, In an ideal posterior PFM crown prep, the occlusal reduction should be _____ mm - CORRECT ANSWERS
2 mm
In an ideal posterior PFM crown prep, the cervical margin should be _____ mm supragingival - CORRECT
ANSWERS 0.25 mm
In an ideal posterior PFM crown prep, the margin should be _____ on facial and _____ on lingual -
CORRECT ANSWERS shoulder ; chamfer
In an ideal posterior PFM crown prep, the shoulder margin width should be _____ mm - CORRECT
ANSWERS 1-1.2 mm
In an ideal posterior PFM crown prep, the chamfer margin width should be _____ mm - CORRECT
ANSWERS 0.5-1 mm
In an ideal posterior PFM crown prep, the path of insertion deviates less than... - CORRECT ANSWERS
10 degrees
In an ideal posterior PFM crown prep, the prep should taper... - CORRECT ANSWERS 3-5
degrees per wall
A factor to keep in mind for bridges is the ____________, which allows for uniform seating - CORRECT
ANSWERS line of draw
Indication for a full crown - CORRECT ANSWERS • extensive caries or large failing restorations
• fractured teeth/cracked tooth syndrome
• endodontically treated teeth needing ferrule
• occlusal modification/vertical dimension changes
• full-arch rehab or abutments for RPDs/FPDs
Questions and Answers (Most Recent
Version, Complete Study
In an ideal posterior gold crown prep, the axial reduction should be _____ mm - CORRECT ANSWERS
1 mm
In an ideal posterior gold crown prep, the occlusal reduction should be _____ mm - CORRECT ANSWERS
1.5 mm
In an ideal posterior gold crown prep, the margin width should be _____ mm - CORRECT ANSWERS
0.5-0.7 mm
In an ideal posterior gold crown prep, the cervical margin should be _____ mm supragingival - CORRECT
ANSWERS 0.25 mm
In an ideal posterior gold crown prep, the margin should be... - CORRECT ANSWERS chamfer
In an ideal posterior gold crown prep, the path of insertion deviates less than... - CORRECT ANSWERS
10 degrees
In an ideal posterior gold crown prep, the prep should taper... - CORRECT ANSWERS 3-5
degrees per wall
In an ideal posterior PFM crown prep, the axial reduction should be _____ mm - CORRECT ANSWERS
1-1.5 mm
, In an ideal posterior PFM crown prep, the occlusal reduction should be _____ mm - CORRECT ANSWERS
2 mm
In an ideal posterior PFM crown prep, the cervical margin should be _____ mm supragingival - CORRECT
ANSWERS 0.25 mm
In an ideal posterior PFM crown prep, the margin should be _____ on facial and _____ on lingual -
CORRECT ANSWERS shoulder ; chamfer
In an ideal posterior PFM crown prep, the shoulder margin width should be _____ mm - CORRECT
ANSWERS 1-1.2 mm
In an ideal posterior PFM crown prep, the chamfer margin width should be _____ mm - CORRECT
ANSWERS 0.5-1 mm
In an ideal posterior PFM crown prep, the path of insertion deviates less than... - CORRECT ANSWERS
10 degrees
In an ideal posterior PFM crown prep, the prep should taper... - CORRECT ANSWERS 3-5
degrees per wall
A factor to keep in mind for bridges is the ____________, which allows for uniform seating - CORRECT
ANSWERS line of draw
Indication for a full crown - CORRECT ANSWERS • extensive caries or large failing restorations
• fractured teeth/cracked tooth syndrome
• endodontically treated teeth needing ferrule
• occlusal modification/vertical dimension changes
• full-arch rehab or abutments for RPDs/FPDs
