NBDE Part 2 Practice Exam Series 43 – Orthodontics NBDE Part 2 Study Guide

NBDE Part 2 Practice Exam Series 43 – Take a free NBDE Part 2 Practice Exam Series 43 for preparation of NBDE exam. The NBDE Part 2 Practice Exam Series 43 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 43

Question 1: In which of the following clinical situation a convex facial profile will be seen?

A. Skeletal Class I

Skeletal Class ii

Skeletal Class III

In cleft lip and palate

Answer

Answer: [B]

Question 2: In a 12 yr old boy undergoing fixed orthodontic treatment, his mandibular first molar which is acting as an anchor unit is allowed to tip lingually. This is a type of

A. Complex anchorage

B. Simple anchorage

C. Compound anchorage

D. Reciprocal anchorage

Answer

Answer: [B]

Question 3: Which is the most common reason behind non-skeletal anterior cross bite?

A. Delayed eruption of permanent teeth

B. Over retention of deciduous incisors

C. Lack of space for the permanent teeth

D. Premature exfoliation of canine

Answer

Answer: [B]

Question 4: In which of the clinical situation will the maxillary posterior teeth would occlude in the central fossa of the mandibular posterior teeth?

A. Open bite

B. Class III malocclusion

C. Class II malocclusion

D. Cross-bite

Answer

Answer: [D]

Question 5: Which anatomical tissue is first to react whenever an orthodontic force is applied?

A. Alveolar bone

B. Cementum

C. Periodontal ligament

D. Dentin

Answer

Answer: [C]

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