Prosthodontics Revision #6

1. The path of insertion of RPD is guided by

All undercut areas

all of the above

Guiding planes

Retentive areas

Question 1 of 20

2. Hybrid denture is

Denture supported by implant, tooth, and ,hard and soft tissues of mouth within the physiologic limit

Removable denture which gains support from hard tissues of the mouth only

Removable denture which gains stability and support from both soft and hard tissues of the mouth

Denture supported by one part which is fixed in the mouth while the other part is removable, supported by soft and hard tissues of the mouth

Question 2 of 20

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

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

distobuccal margin is positioned slightly mesial to the middle of the buccal 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 3 of 20

4. splinting of several teeth together as abutments for a fixed prosthesis is done to

improve retention of the prosthesis

faciliatate plaque removal

distribute occlusal load

preserve remaining alveolar support

Question 4 of 20

5. An edentulous patient complains that his denture becomes loose several hours after wearing this indicates

A high vertical dimension

An improper extension of denture bases

An over extended denture flange

Deflective occlusal contacts

Question 5 of 20

6. Angle between major connector and finish line

between 90 and 180 degree

180-360 degree

90 degree

less than 90 degree

Question 6 of 20

7. Reverse smile occurs when:

lateral incisor occupied more space than the canine during smiling

lateral incisor occupied more space than central incisor during smiling

central incisor occupied more space than lateral incisor during smiling

lateral incisor does not show during maximum smiling

Question 7 of 20

8. Which of the following should NOT be corrected with a porcelain veneer?

Enamel hypoplasia.

Diastema between 1.1 and 2.1.

Cross bite on tooth 1.3.

Peg lateral incisor.

Question 8 of 20

9. The gingival zenith of the upper lateral incisor is located:

below canine and central incisor

above central incisor and canine

below canine and with the same level of the central incisor

above central incisor and with same level of canine

Question 9 of 20

10. Which sounds help determine the labiolingual position of the anterior teeth

Linguoalveolus sounds or sibilants(such as s, z , sh and ch)

Linguodental sounds(such as this ,that or those)

Fricatives or labiodental sounds(such as f, v or ph)

The b, p amd m sounds

Question 10 of 20

11. For the preparation of rest seat

Marginal ridge should be reduced by 2.5mm

The outline to have greater length than width

The outline to have greater width than length

Marginal ridge should be reduced by 1.5mm

Question 11 of 20

12. Which one is not necessarily present in work authorisation order

Date of sign of work authorisation

Signature of patient

Name and address of Patient

Signature of dentist

Question 12 of 20

13. Embrassure clasp is used in

Kennedy class 3

Kennedy class 4

Kennedy class 1

linear arch form

Question 13 of 20

14. What type of pontic design would you use in a patient with a high esthetic demand when preparing teeth numbers 9-11 for a fixed partial denture?

the modified ridge-lap pontic

the saddle-ridge-lap pontic

an ovate pontic

the sanitary (hygienic) pontic

Question 14 of 20

15. The process by which one part of the RPD opposes the action of retainer in function is called

Stabilisation

Retention

Support

Reciprocation

Question 15 of 20

16. RPI clasp in a distal extension cast partial denture

Used for buccally tilted molar

Is contraindicated

Provides push type retention

Provides pull type retention

Question 16 of 20

17. The disadvantage of a tooth- supported surgical stent in a single anterior implant is:

obscure the adjacent anatomical teeth structures

no sufficient space for the drills

not stable enough

difficult to determine the drilling depth

Question 17 of 20

18. Limit of immediate side shift?

7 mm

3 mm

2 mm

1 mm

Question 18 of 20

19. What type of motion occurs within superior joint cavity of TMJ

Translation

No movement occurs in superior space

Rotation

Both rotation and translation

Question 19 of 20

20. Progressive implant loading is recommended for implants:

dense bone

with screw crown placed

immediately placed

placed in poor bone density

Question 20 of 20