NBDE Part 1 – Dental Anatomy And Occlusion Questions With Answer Keys

NBDE Part 1 – Dental Anatomy And Occlusion Questions With Answer Keys

Dental anatomy and occlusion are considered as one of the foundation stone subjects of the dentistry. It discusses the normal morphology of the human tooth and its relationship to other structures of the oral cavity. NBDE Part 1 – Dental Anatomy And Occlusion Questions.


 

Question 1: Which of the following teeth have five cusps?

A. Permanent maxillary and mandibular first molars

B. Permanent maxillary and mandibular second molars

C. Deciduous maxillary and mandibular second molars

D. Both A and C

Answer & Explanation

Answer: [D]

 

Question 2: Which of the following Deciduous or permanent teeth have two roots?

A. 55

B. 85

C. 16

D. 27

Answer & Explanation

Answer: [B]

 

Question 3: Which of the following tooth has the longest crown in the mandibular arch?

A. Deciduous canine

B. Permanent central incisor

C. Permanent canine

D. Permanent first premolar

Answer & Explanation

Answer: [C]

 

Question 4: Which of the following tooth is considered as the key to occlusion?

A. Permanent maxillary first molar

B. Permanent mandibular first molar

C. Permanent maxillary second molar

D. Permanent mandibular second molar

Answer & Explanation

Answer: [B]

 

Question 5: In which region does the divergence form the contact area in proximal surface results in the formation of embrasures?

A. Cervically

B. Lingually

C. Facially

D. All of the above including occlusally also

Answer & Explanation

Answer: [D]


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