NBDHE NBDHE Dental Hygiene Care 2

Question 1

A patient has a 6 mm periodontal pocket on the mesial of tooth #14 with bleeding on probing. Which instrument is most appropriate for debridement in this area?

Accepted Answer

Gracey 11/12 curette

Answer

The Gracey 11/12 curette is area-specific for the mesial surfaces of posterior teeth.

Question 2

Which systemic condition is most associated with gingival enlargement that mimics periodontal disease?

Accepted Answer

Phenytoin use

Answer

Phenytoin (Dilantin), a seizure medication, is a classic cause of drug-induced gingival overgrowth.

Question 3

A patient presents with furcation involvement on tooth #19. Using Glickman's classification, a probe can enter the furcation but not pass through. This is classified as:

Accepted Answer

Grade II

Answer

Glickman Grade II furcation involvement means the probe enters the furcation but does not pass through to the other side.

Question 4

When providing ultrasonic scaling, which patient condition is a relative contraindication?

Accepted Answer

Pacemaker (non-shielded)

Answer

Older non-shielded pacemakers may be affected by electromagnetic interference from magnetostrictive ultrasonic scalers.

Question 5

Which of the following best describes the purpose of subgingival irrigation with antimicrobial agents during periodontal therapy?

Accepted Answer

To reduce the subgingival microbial load as an adjunct to scaling

Answer

Subgingival irrigation with antimicrobials is an adjunct to, not a replacement for, mechanical debridement.

NBDHE Test Practice Test

NBDHE Test Practice Test

NBDHE NBDHE Dental Hygiene Care 2