What is the recommended finish line for the lingual surface during tooth preparation?

Fixed Prosthodontics I Quiz

Quiz
•
Other
•
12th Grade
•
Easy
Ahmed Hamed
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chamfer finish line (0.5-0.8 mm)
Knife-edge finish line (2-2.5 mm)
Shoulder finish line (1-1.5 mm)
Beveled finish line (1.5-2 mm)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a shoulder finish line recommended for the buccal surface?
To enhance bonding with veneered material
To conserve tooth structure
To ensure esthetics
To provide clearance for metal contacts
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much lingual reduction is needed in anterior teeth for clearance if the contact is on porcelain?
1 mm
1.5 mm
2 mm
2.5 mm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the direction of cutting for incisal reduction during tooth preparation?
Bucco-occlusal
Linguo-incisal
Disto-lingual
Mesio-distal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should the labial surface be prepared in two distinct planes?
To conserve tooth structure
To ensure proper bonding with veneered material
To provide clearance for metal contacts
To prevent over-contoured restoration
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where should the labial reduction end around the labio-proximal line angle?
1 mm labial to the proximal contact
At the proximal contact
1 mm lingual to the proximal contact
At the labio-proximal line angle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the wing or 1/2 groove in tooth preparation?
To improve occlusal clearance
To increase the thickness of the crown
To provide resistance to rotation & torque
To enhance esthetics
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