EFDA EFDA Periodontal Procedures & Oral Health 2

Question 1

An EFDA performing coronal polishing should avoid polishing which of the following surfaces?

Accepted Answer

Exposed cementum or dentin

Answer

Exposed cementum and dentin are softer than enamel and can be easily abraded by prophy paste, causing sensitivity.

Question 2

Which classification of furcation involvement indicates that the probe can enter the furcation but not pass through?

Accepted Answer

Class II

Answer

Class II furcation involvement means the probe penetrates into the furcation but cannot pass completely through to the other side.

Question 3

What oral hygiene aid is most effective for cleaning interproximal areas between teeth?

Accepted Answer

Dental floss

Answer

Dental floss is specifically designed to remove plaque and debris from the interproximal surfaces that a toothbrush cannot reach.

Question 4

Which bacteria is considered a major pathogen in aggressive periodontitis?

Accepted Answer

Aggregatibacter actinomycetemcomitans

Answer

Aggregatibacter actinomycetemcomitans (Aa) is strongly associated with aggressive (formerly juvenile) periodontitis.

Question 5

What is the purpose of an oral irrigation device (water flosser) in home care?

Accepted Answer

Flush debris and reduce bacterial load subgingivally

Answer

Oral irrigators flush food debris and reduce the bacterial load in periodontal pockets but do not remove plaque biofilm like mechanical methods.

(EFDA) Expanded Function Dental Auxiliary Practice Test