DMD DMD - Doctor of Medicine in Dentistry Pediatric Dentistry and Pedodontics Questions and Answers 2

Question 1

Which space maintainer is indicated after premature loss of a mandibular primary first molar when the second primary molar is still present?

Accepted Answer

Band-and-loop appliance

Answer

Lingual arch

Answer

Distal shoe appliance

Answer

Nance holding arch

Question 2

Which agent is the most commonly used for pulpotomy in primary teeth in the United States?

Accepted Answer

Mineral trioxide aggregate (MTA) or formocresol

Answer

Sodium hypochlorite

Answer

Calcium hydroxide alone

Answer

Zinc oxide eugenol only

Question 3

A child presents with multiple small, shallow ulcers on the labial and buccal mucosa with a prodrome of fever and malaise. What is the most likely diagnosis?

Accepted Answer

Primary herpetic gingivostomatitis

Answer

Recurrent aphthous stomatitis

Answer

Hand-foot-and-mouth disease

Answer

Herpangina

Question 4

At what age should a child's first dental visit be scheduled according to the American Academy of Pediatric Dentistry (AAPD)?

Accepted Answer

By age 1 or within 6 months of first tooth eruption

Answer

Age 3

Answer

Age 2

Answer

Only when a dental problem is noticed

Question 5

Which eruption sequence is considered normal for the permanent dentition in the mandible?

Accepted Answer

First molar, central incisor, lateral incisor, canine, first premolar, second premolar, second molar

Answer

Central incisor, first molar, lateral incisor, canine, first premolar, second premolar, second molar

Answer

First molar, lateral incisor, central incisor, first premolar, canine, second premolar, second molar

Answer

Central incisor, lateral incisor, first molar, first premolar, canine, second premolar, second molar

Question 6

Which type of ankylosis in primary molars is best managed by monitoring if the permanent successor is present and eruption is progressing?

Accepted Answer

Mild infraocclusion with permanent successor present

Answer

Severe infraocclusion with no permanent successor

Answer

Complete fusion to bone blocking eruption path

Answer

Infraocclusion causing adjacent tipping