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

A band-and-loop space maintainer is the appliance of choice when a single primary molar is lost but the adjacent posterior tooth is still present to serve as an anchor.

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

Formocresol has historically been the standard, while MTA is increasingly preferred due to its biocompatibility and superior outcomes in primary tooth pulpotomies.

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

Primary herpetic gingivostomatitis caused by HSV-1 presents with fever, malaise, and widespread oral ulcerations on both attached and free mucosa in young children.

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

The AAPD recommends establishing a dental home by age 1 or within 6 months of the eruption of the first primary tooth to enable early risk assessment and prevention.

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

In the mandible, the first permanent molar and central incisor typically erupt around age 6, followed by lateral incisors, canines, and premolars.

DMD - Doctor of Medicine in Dentistry Practice Test

DMD - Doctor of Medicine in Dentistry Practice Test

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