NBDE Part II Orthodontics Questions With Answer Key

NBDE Part II Orthodontics Questions With Answer Key

Orthodontics is known as the dental specialty on which the responsibility lies to study the growth and development of not only the dentition but also all surrounding anatomical structures. This branch also studies the effects of the internal and external environment over growth and development of facial structures and dentition and tries o utilize these effects to bring out harmony. DentistryTalk is providing NBDE Part 2 Orthodontics MCQ’s With Answer Keys.

Question 1: Which of the following is a type of removable orthodontic appliance:

A. Lingual archwires

B. Light wire appliances

C. Frankel appliance

D.Edgewise appliance

Answer & Explanation

Answer: [C]


Question 2: Which of the following material is not used for making archwires used in orthodontic treatment?

A. Vitalium

B. Beta-titanium

C. Nickel-titanium

D. Stainless steel

Answer & Explanation

Answer: [A]


Question 3: Before placing the bands which etching agent is used?

A. 35-50% unbuffered phosphoric acid

B. 10-15% unbuffered phosphoric acid


D. Nothing

Answer & Explanation

Answer: [D]


Question 4: which of the following condition should be corrected by orthodontic appliances at an early age?

A. Mild crowing in permanent mandibular incisors

B. Posterior crossbite with a functional shift

C. Deviated midline in the absence of functional shift

D. Two deciduous molars nearly in crossbite

Answer & Explanation

Answer: [B]


Question 5: Which of the following statement is CORRECT

Tongue thrusting habit can lead to crossbite

Maxillary expansion is often carried to correct crossbite


A. Both statements are Correct

B. Both statements are Incorrect

C. The first statement is correct while the second statement is incorrect

D.The first statement is incorrect while the second statement is correct

Answer & Explanation

Answer: [A]

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