Prosthodontics #8 – Unidontia

1. The tooth preparation for a porcelain veneer must create a/an

space for an appropriate thickness of the veneering material.

definite finish line.

margin well below the gingival crest.

rough surface for improved bonding.

Question 1 of 20

2. Status of ridge resorption in a complete denture patient can be judged by

circumvallate papilla

incisive papilla

Lingual frenum

Rugae

Question 2 of 20

3. The first ceramic crowns and inlays were made by

Thomson

Mclean

Hughes

C. H Land.

Question 3 of 20

4. In centric occlusion , the cusp tip of maxillary canine occludes with

Distal marginal ridge of canine

Facial embrasure of canine-premolar

The incisal embrasure of canine premolar

Mesial marginal ridge of first premolar

Question 4 of 20

5. palatopharyngeal Incompetence is

defined as inadequate length of soft and hard palate with normal physiologic function

defined as inadequate length of soft and hard palate with normal physiologic movement of remaining tissues

defined as having altered anatomy but ineffective or absent motor function

defined as having normal anatomy but ineffective or absent motor function

Question 5 of 20

6. a pier abutment is

periodontally weal abutment

with an edentulous space on both sides of the abutment

edentulous space on one side of the abutment

abutment adjacent to space

Question 6 of 20

7. A seven-eighths crown is a three-quarter crown whose vertical:

distobuccal margin is positioned slightly mesial to the middle of the buccal surface

distolingual margin is positioned slightly mesial to the middle of the lingual surface

mesiolingual margin is positioned slightly distal to the middle of the lingual surface

mesiobuccal margin is positioned slightly distal to the middle of the buccal surface

Question 7 of 20

8. Which luting agent (cement) has the lowest solubility?

zinc phosphate

glass ionomer

resin-modified glass ionomer

zinc polycarboxylate

Question 8 of 20

9. Not a deprogramming method of mandible?

Lucia anterior Jig

Leaf gauges

Centric relation

Tongue blades

Question 9 of 20

10. Main concern during prosthodontics surgery and better prosthetic prognosis?

Minimal invasion

Cost

Continuity defects

Occlusion

Question 10 of 20

11. Which of the following should be checked first when a cast gold crown that fits on its die cannot be seated on its abutment?

The occlusal contacts.

The impression used to pour the cast.

The proximal contacts.

The taper of the preparation.

Question 11 of 20

12. Role of surgical template guide for implant

Prepare surgical site for implant

Implant parallelism

Implant stability

Implant placement

Question 12 of 20

13. In kennedy classification, the most common arch is

Class-IV

Class-I

Class-II

Class-III

Question 13 of 20

14. Vertical dimension at rest can be defined as

Vertical dimension at occlusion multipied by freeway space

Vertical dimension at Occlusion plus freeway space

Vertical dimension at occlusion plus freeway space

vertical dimension at occlusion minus freeway space

Question 14 of 20

15. Kennedy bar connector is a type of

Labial bar

Lingual plate

Double lingual bar

Lingual bar

Question 15 of 20

16. Disadvantage(s) of the I-bar is/are

None of the above

Both of the above

Less retention

Less horizontal stability

Question 16 of 20

17. In metal ceramic restoration, the ceramic is bonded to metal

Both by mechanical and chemical bonds

By mechanical bond only

By chemical bond only

None of the above

Question 17 of 20

18. Difference between maximum and minimum diameter of implant is

Thread width

Thread size

Thread shape

Thread depth

Question 18 of 20

19. Optimum degree of taper in tooth preparation

15-20 degree

6-10 degree

0 degree

40 degeree

Question 19 of 20

20. To improve denture stability, mandibular molar teeth should normally be placed

over the buccal shelf area.

over the crest of the mandibular ridge.

buccal to the crest of the mandibular ridge.

lingual to the crest of the mandibular ridge.

Question 20 of 20