Prosthodontics #7 – Unidontia

1. which of the following landmarks is used to determine the height of the occlusal plane of the posterior teeth in a mandibular complete denture

Residual ridge crest.

Tongue.

Retromolar pad.

Mandibular canine.

Question 1 of 20

2. 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 2 of 20

3. Periodontal health of the gingival tissues is a major concern when planning any fixed prosthodontic treatment. For optimum periodontal health, restoration finish lines should be:

supragingival whenever possible (at least 0.5 mm from the free gingival margin) to allow for hygienic cleansing

within the sulcus at least 1.0 mm and away from the free gingival margin without encroaching on the biologic width

as far as possible subgingivally into the attachment apparatus

terminated at the free gingival margin

Question 3 of 20

4. A modified hinge non-adjustable articulator is limited in its accuracy to reproduce dynamic jaw movements because it can only reproduce

none of the above

eccentric movements by multiple lateroprotrusive registrations.

one hinge axis movement.

large centric relation-maximum intercuspation slides.

Question 4 of 20

5. Totally tooth supported prosthesis is

class-II partial denture

class-IV partial denture

class-I partial denture

class-III partial denture

Question 5 of 20

6. When restoring a long span edentulous space with a FPD across a pier abutment with a non ridge connector, the keyway of the connector is put in

Distal tooth

Distal side of pier abutment

Mesial side of pier abutment

Mesial tooth

Question 6 of 20

7. Nesbit prosthesis is

Ear prosthesis

Removable prosthesis

Guidance device for hemimandibulectomy patient

Silicon based nasal prosthesis

Question 7 of 20

8. Overdentures best given on which abutment

canine and 1st molar

canine and premolar

only canines

molars only

Question 8 of 20

9. training groove is placed in the lower denture

in case of mandibulectomy

to train tognetic patient

to train the orbicularis oris groove

to train the patients tongue position

Question 9 of 20

10. post insertion occlusal correction of a complete denture is best done by

static transfer of occlusal records to articulator and alancing

using previous articulator mountings for occlusal grinding

use of a 3 pin articulator

transfer to articulator with new interocclusal records and balancing

Question 10 of 20

11. Which of the following are the most appropriate for use as overdenture abutments?

Canines.

First premolars

Central incisors.

Second premolars.

Question 11 of 20

12. In class II removable partial denture and with opposing natural dentition, occlusion is given by

Unilateral group function

Bilaterally balanced

None of the above

As in natural dentition

Question 12 of 20

13. Embrassure clasp is used in

Kennedy class 4

Kennedy class 3

linear arch form

Kennedy class 1

Question 13 of 20

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

None of the above

Both of the above

Less retention

Less horizontal stability

Question 14 of 20

15. Most frequently used mandibular major connector is

Lingual plate

Double lingual bar

Lingual bar

Labial bar

Question 15 of 20

16. 3- months post- implantation, the type of bone that can be found on the surface of a Ti implant is

immature woven bone

complete lamellar bone

mixture (woven and lamellar bone)

mature woven bone

Question 16 of 20

17. When placing posterior canine implants, guidance or protection is important because the canine assists in

guide the occlusion into centric occlusion

disclusion in eccentric movements

keep the posterior implant in contact during excursion movement

withstand more force during mastication

Question 17 of 20

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

Complete denture

All of the above

Removable partial denture

Fixed partial denture

Question 18 of 20

19. When uprighting a molar to be used as a bridge abutment, consideration must be given to the

residual space for a pontic.

local periodontium.

all of the above

vertical changes due to tipping of the molar.

Question 19 of 20

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

circumvallate papilla

Rugae

Lingual frenum

incisive papilla

Question 20 of 20