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What are the 2 purposes of the acquired pellicle?

• Protects the tooth from acid and lubricates the teeth to allow for swallowing.

• Only protects the tooth from acid.

• Only lubricates the teeth to allow for swallowing.

• Neither protects nor lubricates.

The faculty and student both find clickable calculus on tooth #13D, this is an example of?

• Intra-examiner reliability

  (1 person)

• Inter-examiner reliability

  (2+ people)

• Diagnostic accuracy

• Clinical precision

(T/F) Adhesion of pioneer bacteria during the initial biofilm formation stage is reversible?

• True

• False

A sample is assigned randomly to 2 different groups. One is given medication and the other placebo. They were evaluated at 12 months and both were given no medication 3 months later. This is an example of?

• RCT cross-over design

• Observational study

• Case-control study

• Cohort study

What study is used to test and cause-effect relationships?

• RCT (randomized controlled trials)

• Case Study

• Observational Study

• Survey

Briefly provide an explanation of the Institutional Review Board? To determine ethical principles were implemented and protect rights of research participants.

• The Institutional Review Board is responsible for reviewing research proposals to ensure ethical principles are implemented and the rights of research participants are protected.

• The Institutional Review Board is a financial body that oversees institutional investments.

• The Institutional Review Board is a government agency that regulates educational institutions.

• The Institutional Review Board is a committee that manages institutional infrastructure.

What is the least effective in removing biofilm stains?

• Glycine

• Ethanol

• Hydrogen Peroxide

• Chlorhexidine

What is the most effective in removing stain and biofilm stains?

• Glycine

• Erythritol

• Hydrogen Peroxide

• Chlorhexidine

During ultrasonic scaling, the imploding of mini bubbles is?

• Cavitation

• Erosion

• Vibration

• Condensation

What variable is manipulated to test the outcome?

• Independent variable

• Dependent variable

• Controlled variable

• Extraneous variable