Transcript Rohit_Bone_Density_Mcq (1) [PPT]

Q1. Which of the following does not
affect bone density
A. Osteoporosis
B. Parafunctional activity
C. Opposing tooth contacts
D. Diabetes Mellitus
Q2. According to Frost ideal bone
around implant
A. Acute disuse window
B. Adapted window
C. Mild overload window
D. Pathologic overload window
Q3. Most common bone density
available in mandible is
A. D1
B. D2
C. D3
D. D4
Q4. Most common bone density
available in maxilla is
A. D1
B. D2
C. D3
D. D4
Q5. Which of the following is false
1. Bone density is different in crestal region and apical
region
2. Higher the no. of Hounsfield units , lower the density.
3. Periapical radiographs are also reliable sources to
measure bone density
4. Single-tooth or a two-teeth partially edentulous span
almost always have D2 bone.
A.
B.
C.
D.
1 and 2
2 and 3
3 and 4
NONE
Q6. Which of the following is false
1. Elastic modulus of bone is more than titanium.
2. For same amount of load applied ,as the bone density
decreases the amount of crestal stress increases
3. For D3/D4 bone, occlusal table of prosthesis should be
widened to decrease the stress
4. For D3/D4 bone wide implants are preferred.
A.
B.
C.
D.
E.
1 and 2
1 and 3
1 and 4
All
none