NBDE Part 2 Practice Exam Series 17 – Orthodontics NBDE Part 2 Study Guide

Question 6: Which of the following material is NOT used for making archwires?

A. Stainless steel

B. Nickel-titanium

C. Beta titanium

D. Vitalium


Answer: [D]


Question 7: All of the following are major components of the removable orthodontic appliance?

A. Retentive component

B. Anchorage component

C. Tissue moving component

D. Active component


Answer: [C]


Question 8: Which of the following are indications for the removable orthodontic appliance?

A. When limited tipping movements are required

B. During retention phase after fixed orthodontic treatment

C. For growth modification during the mixed dentition period

D. All of the above


Answer: [D]


Question 9: Cephalometric is considered useful in assessing:

A. Tooth to tooth relationship

B. Tooth to the bone relationship

C. Bone to the bone relationship

D. All of the above


Answer: [D]


Question 10: Which of the following are considered best to estimate the timing of the adolescent growth spurt?

A. Femur

B. Radius

C. Ulnar

D. Tibia


Answer: [C]

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