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. 1 and 2

B. 2 and 3

C. 3 and 4

D. 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. 1 and 2

B. 1 and 3

C. 1 and 4

D. All

E. none