Prosthodontics #2 – Unidontia

1. Pressure necrosis usually occurs when the implant is placed:

with angulation

in narrow bone ridge

in soft bone

in dense hard bone

Question 1 of 20

2. If a complete mandibular denture causes a burning sensation in the premolar region, this is due to the denture exerting pressure in/on the

fibres of the buccinator muscle.

mental branch of the inferior alveolar nerve.

lingual branch of the mandibular division of the trigeminal nerve.

underlying bone.

Question 2 of 20

3. Patient complaint of loose immediate dentures today morning, and also told that this happened 2,3 days back also. What could be the Possible reason

Continuous healing of defect

Due to shrinkage of resin

Due to reduction of diameter of defect

Patient forgot how to insert the denture

Question 3 of 20

4. Pontic making a T shaped contact with tissue is

Modified ridge lap pontic

Ridge lap

Ovate

Spheroidal pontic

Question 4 of 20

5. Permissive type of occlusal splint allows

Posterior occlusion in CR and group function in lateral

Posterior occlusion in CR and anterior guidance

Posterior occlusion in CR and canine guided in lateral

Posterior occlusion in CR only

Question 5 of 20

6. Endodontically treated teeth that have been restored with a cast post and core, and crown, are subjected to the high incidence of:

vertical root fracture

recurrent caries

periodontal disease

the need for an apicoectomy

Question 6 of 20

7. the posterior tooth that gives a better support is

conical roots

curved roots

divergent roots

with convergent roots

Question 7 of 20

8. Purpose of transparent acrylic template in case of immediate denture

Trimming of jagged bone margins

Socket healing

Conditioning of socket

Impression taking

Question 8 of 20

9. According to the ADA classification for alloy systems used for metalceramic restorations, noble alloys:

have a noble metal content of > 15%

have a noble metal content of > 60%

a noble metal content of > 25%

have a noble metal content of > 45%

Question 9 of 20

10. A mandibular central incisor is to be extracted and added to a partial denture. The impression to add a tooth to the denture should be made

after the extraction without the denture in the mouth.

after the extraction with the denture in the mouth and pouring the impression leaving the denture in the impression

after the extraction with the denture in the mouth, removing the denture from the impression then pouring the impression.

before the extraction with the denture in the mouth, removing the denture from the impression then pouring the impression

Question 10 of 20

11. Finish line on the buccal supragingival margin for a porcelain fused to metal(PFM) crown on a maxillary first molar

Sloping shoulder

Shoulder

Shoulder with bevel

Deep chamfer

Question 11 of 20

12. Retromolar pad contains all except

buccinators

Superior constrictor

temporal tendon

Massetor

Question 12 of 20

13. Minimum bone required for implant placement is

10mm vertical and 4 mm horizontal

6mm vertical and 8 mm horizontal

10 mm horizontal and 6 mm vertical

10mm vertical and 6 mm horizontal

Question 13 of 20

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

Tragus-outer canthus

Mandibular occlusal plane

Frankfort plane

Ala-tragus line

Question 14 of 20

15. Dental compression syndrome is

Decrease in VD, causes compression of teeth

Increase in VD, causes compression of teeth

Increased occlusion forces causes compression of TMJ

Implant causes compression of nerve

Question 15 of 20

16. To achieve a proper emergence profile and to avoid a ridge overlap, an implant in the upper incisors should be placed bucco- lingually in:

more palataly

slightly labial to the incisal edge

between the cingulum and the incisal edge

underneath the cingulum

Question 16 of 20

17. lingual flange of lower denture is

convex

concave

straight

convex and is towards the base of tongue

Question 17 of 20

18. The most common complication of a single- crown implant is:

abutment screw loosening

abutment screw fracture

implant fixture fracture

progressive crestal bone Resorption

Question 18 of 20

19. According to Kois, the five diagnostic elements required before immediate placement of an implant in the esthetic zone include all of the following except:

tooth shape

root shape

level of the alveolar crest before extraction

tooth position

Question 19 of 20

20. Rests on terminal abutment teeth for a cast metal removable partial denture provides

vertical stability.

lateral force transmission.

primary retention.

indirect retention.

Question 20 of 20