occlusion rim and record base #WikiDentia

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

1.land area on the cast should be

1 point

a. 2:3mm

b. 3:4mm

c. 5:6mm

d. 6:7mm

Clear selection

2. record block is device used for

1 point

a. recording jaw relation

b. arrangement of artificial teeth

c. try in

d. all of the above

Clear selection

3. achievement of all requirement of record base is good for accurate

1 point

a. try in

b. jaw relation

c. insertion

d. non of the above

Clear selection

4. permenant record base is fabricated from

1 point

a. cobalt chromium

b. vaccum formed vinyle

c. visible light cure acrylic

d. shellac base plate

Clear selection

5. stabilized base used for

1 point

a. ill fitted temporary base

b. adding thin film of material to be more adapted

c. needed for accurate jaw relation if there is defect in adaptation

d. all of the above

Clear selection

6. the great disadvantage of using heat cure acrylic resin for record base

1 point

a. sever pressure area

b. time consuming

c. high cost

d. dimensional changes that occur with exposure to heat for two times

Clear selection

7. usage of cast metal denture base with high strength is indicated for

1 point

a. well developed ridge

b. V shaped arch

c. prominent median raphe

d. maxillary single denture

Clear selection

8. all of the following are advantage of cast metal record base except

1 point

a. increase strength

b. high polishing ,cleaning

c. thermal conductivity

d. easy in repair ,relinning

Clear selection

9. angle between outer surface and occlusal surface of occlusion rim is

1 point

a. rounded 90

b. sharp 90

c. acute angle

d. obtuse angle

Clear selection

10.centralization of occlusion rims over crest of the ridge for denture

1 point

a. retention

b. esthetic

c. support

d. stability

Clear selection

11. which of the following rims is used for neutral zone impression technique

1 point

a. wax occlusion rim

b. compound occlusion rim

c. plaster and pumic rim

d. silicon rim

Clear selection

12. which of the following rims is used for functional generating pathways of mandibular movement

1 point

a. wax occlusion rim

b. compound occlusion rim

c. plaster and pumic rim

Clear selection

13. length of artificial teeth extend from ..........to level of occlusion rim

1 point

a. low lip line

b. high lip line

c. level of acrylic resin

d. level of denture border

Clear selection

14. During taking jaw relation what is the patient's position

1 point

a) 30 degree head bent

b) Straight

c) Cantomeatal line 45 degree to the floor

d) None of the above

Clear selection

15. occlusal rims are also called

1 point

a) Dummy dentures

c) Immediate dentures

b) Trial dentures

d) Overdentures

Clear selection

16. In an edentulous patient the average distance between upper and lower sulcus is

1 point

a) 38 mm

b) 40 mm

c) 42 mm

d) 45 mm

Clear selection

17. The height of the lower occlusal rim, when recording VDO in complete denture, in the premolar region should be

1 point

a) At the level of lower lip

b) Just below the lower lip

c) 1-2 mm above the lower lip

d) At the level of lower border of the upper lip

Clear selection

18. thickness of base of cast shouldn't be less than

1 point

a.12mm

b.11mm

c. 10mm

d.9mm

Clear selection

Submit

Clear form

Forms

This content is neither created nor endorsed by Google.