NBDE Part 2 Practice Exam Series 45 – Orthodontics NBDE Part 2 Study Guide

NBDE Part 2 Practice Exam Series 45 – Take a free NBDE Part 2 Practice Exam Series 45 for preparation of NBDE exam. The NBDE Part 2 Practice Exam Series 45 is totally free of cost and no registration is required to take part in it. DentistryTalk is also providing the Orthodontics NBDE Part 2 Study guide and study material.

NBDE Part 2 Practice Exam Series 45

Question 1: Which tooth in the mandibular arch is most likely to get displaced due to arch size discrepancy?

A. 1st Premolar

B. 2nd Premolar

C. 1st molar

D. 2nd molar

Answer

Answer: [B]

Question 2:  Which type of bond is formed between an orthodontic bracket and tooth enamel surface?

A. Ionic

B. Covalent

C. Mechanical

D. Chemical

Answer

Answer: [C]

Question 3: By how incisor liability is overcomed?

A. By increase in intercanine width

B. By utilizing physiological spaces present in deciduous dentition

C. More labial inclination of permanent incisors

D. All of the above

Answer

Answer: [D]

Question 4: Which newton’s law is followed by all orthodontic appliances?

A. First

B. Second

C. Third

D. All of the above

Answer

Answer: [C]

Question 5: Which of the following effect is seen in dental pulp when light orthodontic force are applied?

A. Increase in number of the blood vessels.

B. Decrease in the number of the blood vessels.

C. Increase in number of the fibroblasts.

D. No effect is seen.

Answer

Answer: [D]

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