Crack Managing hygiene NBoard

Instruments such as mirrors and amalgam condensers that do not penetrate soft tissues or bone but contact oral tissues are classified as semi-critical and these devices should be sterilized after each use.Surgical and other instruments used to penetrate soft tissue or bone are classified as critical and should be sterilized after each use.

• A) Both statements are true

• B) Both statements are false

• C) First statement is true, the second is false

• D) First statement is false, the second is true

Quaternary ammonium compounds are an adequate disinfectant for Class II semi-critical surfacesPhenols are an adequate disinfectant for Class III non-critical surfaces.

• A) Both statements are true

• B) Both statements are false

• C) First statement is true, the second is false

• D) First statement is false, the second is true

What is the ADA recommendation for colony forming units per milliliter (cfu/ml) of aerobic mesophilic heterotrophic bacteria at any point in time in the unfiltered output of the dental unit for patients during non-surgical dental procedures?

• A) No more than 100 colony forming units per milliliter (cfu/ml) of aerobic mesophilic heterotrophic bacteria at any point in time in the unfiltered output of the dental unit.

• B) No more than 500 colony forming units per milliliter (cfu/ml) of aerobic mesophilic heterotrophic bacteria at any point in time in the unfiltered output of the dental unit.

• C) No more than 200 colony forming units per milliliter (cfu/ml) of aerobic mesophilic heterotrophic bacteria at any point in time in the unfiltered output of the dental unit.

• D) No more than 2000 colony forming units per milliliter (cfu/ml) of aerobic mesophilic heterotrophic bacteria at any point in time in the unfiltered output of the dental unit.

Which class of disinfectants are the most widely used on non-critical surfaces?

• A) Glutaraldehyde based

• B) Phenol based

• C) Alcohol (ethyl or isopropyl) based

• D) Quaternary ammonium compounds

• E) Chlorine based

Antimicrobial prophylaxis is recommended for the following patient (assume Type II diabetics are using only oral medications):

• A) Well controlled diabetic, periodontal exam and probing.

• B) Uncontrolled Type I diabetic, scaling and root planing

• C) Well controlled Type II diabetic, routine prophylaxis

• D) Poorly controlled Type I diabetic, free gingival graft procedure

• E) Well controlled Type II diabetic, apically positioned flap procedure

For which of the following cardiac conditions is SBE antibiotic prophylaxis recommended?

• A) Prosthetic cardiac valve

• B) Mitral valve prolapse

• C) Bicuspid valve disease

• D) Cardiomyopathy

• E) Calcified aortic stenosis

SBE antibiotic prophylaxis is recommended for intraligamentary local anesthetic injections.It is not recommended for periodontal suture removal

• A) Both statements are true

• B) Both statements are false

• C) First statement is true, the second statement is false

• D) First statement is false, the second statement is true

Approximately 1,000,000 total joint replacements are being placed annually in the United States, which of the following bugs accounts for almost 60% of all cases of Late Prosthetic Joint Infection?

• A) Streptococcus viridans

• B) Staphylococcus aureus

• C) Streptococcus mutans

• D) Coagulase negative staphylococci

• E) Actinobacillus actinomycetemcomitans

A patient with a debilitating systemic condition that is a constant threat to life would be classified as an American Society of Anesthesiologists (ASA) risk status IV.A patient with an ASA IV risk status can be treated in the dental clinic with minor office modifications.

• A) Both statements are true

• B) Both statements are false

• C) First statement is true, the second is false

• D) First statement is false, the second is true

Factors that may place a patient at higher risk for developing periodontal disease during orthodontic treatment include all of the following EXCEPT one. Which one is the EXCEPTION?

• A) Previous periodontal disease

• B) Thin, friable gingival tissue

• C) Bleeding on probing

• D) Tooth mobility

• E) Von Recklinghausen’s Disease