Midterm Files

Question 1

1. Biological width of implant

Answer 1

a. 3mm*

Question 2

2. Father of modern implants

Answer 2

a. Branemark

Question 3

3. Dental implant success rate

Answer 3

a. 90-99%

Question 4

4. Dental implant success rate in good/fair controlled diabetic pt

Answer 4

a. 85-100*

Question 5

5. HbA1c close to or less than 7% is preferable, but dental implants can be placed in pts if HbA1c is less than 8%
   T/F

Answer 5

a. True*

Question 6

6. Eposteal implant type
   a. Subperiosteal
   b. Transmandibular
   c. Blade
   d. Root

Answer 6

a. Subperiosteal*

Question 7

7. Endosteal implant type
   a. Subperiosteal
   b. Transmandibular
   c. Blade
   d. Root
   e. C and D

Answer 7

e. C and D*

Question 8

8. Transosteal type

Answer 8

a. Transmandibular

Question 9

9. Osseointegration
   a. Bone and implant at histological level
   b. At radiographic level
   c. At perio probing level

Question 10

10. Platform switching definition

Answer 10

a. An abutment of narrower diameter on the implant of a wider diameter at platform

Question 11

11. Platform switching vs non-platform switching and bone loss
    a. More in platform
    b. More in non-platform
    c. No difference

Question 12

12. Success of implant is when:

Answer 12

a. 0.1mm bone loss each year following*

Question 13

13. Which is true
    a. Rough surface results in increase of bone apposition vs smooth/polished b. Polished surface increased bone apposition vs rough
    c. Doesn’t play role in bone apposition

Question 14

14. Fibers orient in which direction in implant
    a. Parallel
    b. Perpendicular

Answer 14

a. Parallel*

Question 15

15. Attachment to implant
    a. Epithelium only
    b. CT only
    c. Both

Question 16

16. How to measure density of bone in osteoporotic pts

Answer 16

a. DEXA

Question 17

17. Less than 5 years of oral bisphosphonate, neither short term survival of dental implant or risk of osteonecrosis was increased
    T/F

Answer 17

a. True*

Question 18

18. IV bisphosphonate is absolute contraindication for implant
    T/F

Question 19

19. CBCT advantage is that less radiation exposure than medical CT
    T/F

Answer 19

a. True*

Question 20

20. CBCT has better soft-tissue contrast than medical CT
    T/F

Answer 20

False

Question 21

21. Which of the following allows B-L dimension to be calculated
    a. PA
    b. Pano
    c. CBCT
    d. Medical CT

Answer 21

i. A and D

Question 22

22. Which technique is recommended in intraoral radiograph
    a. Paralleling
    b. Perpendicular

Answer 22

a. Paralleling*

Question 23

23. Use a 5mm bb indicated for reference in which radiograph?
    a. PA
    b. Pano
    c. CBCT

Answer 23

b. Pano*

Question 24

24. Lingual undercut can be viewed using which of the following?
    a. (may have been the same Q as 21 can’t remember)

Question 25

25. An implant analog is used for what a. Exact replica of implant, changed exterior surface to allow stone b. Exact replica of implant used to fabricate custom abutment

Question 26

26. Impression coping indicated for what a. Can’t remember answer choices

Question 27

27. Minimum space for cement retained restoration from platform to opposing arch a. 3mm b. 4mm c. 7mm d. 8mm

Answer 27

c. 7mm*

Question 28

28. Minimum space for screw retained

Answer 28

a. 4mm

Question 29

29. When this measurement from contact point to crest of bone, papilla was present almost 100% of the time a. 5mm b. 7mm c. 8mm

Answer 29

a. 5mm*

Question 30

30. Difference bw screw retained and cement retained (I can’t remember) a. Only screw has occlusal access in definitive restoration b. Only crown does c. Only screw has screw that retains crown d. Only cement has screw

Question 31

31. How far away between apical end of implant and nerve structure?

Answer 31

a. 2mm

Question 32

32. 2 abutments between 2 natural teeth, 3.5mm each. Minimum around of bone required? a. 10mm b. 13mm c. 15mm d. 7mm