Prosthodontics #12 – Unidontia

1. the most suitable margin for porcelain crown is

shoulder

depends upon operators choice

shoulder with bevel

chamfer

Question 1 of 20

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

Continuity defects

Occlusion

Minimal invasion

Cost

Question 2 of 20

3. The muscle of the floor of the mouth in the molar region which requires special attention in the final mandibular denture impression is the

geniohyoid.

hyoglossus

mylohyoid.

genioglossus.

Question 3 of 20

4. The lateral forces induced by cantilever prosthesis may lead to

Drifting of the abutment

All of the above

Rotation of the abutment

Tipping of the abutment

Question 4 of 20

5. Hollow round bevel is basically:

Deep chamfer

Shoulder with bevel

Shoulder

Knife edge

Question 5 of 20

6. Most common cause of overcontoured crown restorations

Under preparation of tooth

Technicians adds more bulk

Over preparation of tooth

Oversized die

Question 6 of 20

7. during benett movement or shift of mandible

condyle of working side exhibit bodily lateral and forward movement

condyle of working side exhibit bodily lateral movement

condyle of working side exhibit bodily forward movement

condyle of non working side exhibits bodily lateral movement

Question 7 of 20

8. The vibrating line of the palate

is not a useful landmark in complete denture fabrication.

delineates the movement of the soft palate.

is always on the hard palate.

is a well-defined line across the palate.

Question 8 of 20

9. Permissive type of occlusal splint allows

Posterior occlusion in CR and canine guided in lateral

Posterior occlusion in CR and group function in lateral

Posterior occlusion in CR and anterior guidance

Posterior occlusion in CR only

Question 9 of 20

10. In removable partial denture position of finish line is affected by

Type of minor connector

Position of minor connector

Direct retainer

Major connector

Question 10 of 20

11. Ante's law is followed in the construction of

Removable partial denture

Complete denture

Fixed partial denture

All of the above

Question 11 of 20

12. Tissue reaction that is common due to overextension of labial flanges of complete denture is

Papillary hyperplasia

Pyogenic granuloma

Epulis fissuratum

Epulis granuloma

Question 12 of 20

13. it is better to reduce any occlusal deformities in the existing dentition before the fabrication of a FPD as

to prevent trauma to rest of the dentition

to maintain a more accurate anatomical occlusal surface in the new restoration

to prevent the duplication of the deflective occlusal contact in the new restoration

to decrease the amount of adjustment required at the post insertion phase

Question 13 of 20

14. 3rd point facebow transfer along the occlusal plane , aligns the arms of facebow parallel to

Mandibular occlusal plane

Tragus-outer canthus

Ala-tragus line

Frankfort plane

Question 14 of 20

15. Bite strip is used for

TMJ disorder correction

Measure muscle force

Monitor existence and frequency of Bruxism

Material for bite registration

Question 15 of 20

16. Which of the following is/are arcon articulator/s?

Whipmix

Denar mark II.

All of the above

Hanau 183-2

Question 16 of 20

17. Velopharyngeal incompetence is treated by

Palatal lift prosthesis

Pharyngea bulb prosthesis

Speech bulb

Obturator prosthesis

Question 17 of 20

18. facebow is used to transfer

camper's plane

frankfort horizontal plane

axis orbital plane

occlusal plane

Question 18 of 20

19. Kennedy bar connector is a type of

Lingual plate

Labial bar

Double lingual bar

Lingual bar

Question 19 of 20

20. In a free-end distal extension partial denture, the most effective means of limiting applied loads to abutment teeth is by

maintaining a stable base-tissue relationship

using monoplane denture teeth.

splinting abutments to adjacent teeth.

using the abutment teeth without splinting.

Question 20 of 20