Dental Anatomy and Disinfection Quiz
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Questions and Answers

What is the primary function of teeth #1, #2, and #3?

  • Crushing and grinding (correct)
  • Crunching and clenching
  • Ripping and tearing
  • Slicing and cutting

    • Which characteristic distinguishes molars from other types of teeth?

  • Flat surfaces for grinding (correct)
  • Pointed tips for piercing
  • Long roots for stability
  • Sharp edges for tearing

    • How do molars assist in the process of digestion?

  • By filtering food materials before swallowing
  • By crushing and grinding food into small parts (correct)
  • By shredding fibers into fine pieces
  • By quickly breaking down sugars

    • What describes the size and shape of molars compared to other teeth?

    <p>Larger and broader</p> Signup and view all the answers

    Which of the following activities are molars least responsible for?

    <p>Biting into hard foods</p> Signup and view all the answers

    What is the primary use of alginate in dentistry?

    <p>Preliminary impressions</p> Signup and view all the answers

    Which agency is responsible for regulating disinfectants and sterilants?

    <p>FDA</p> Signup and view all the answers

    Which of the following materials is classified as an irreversible hydrocolloid?

    <p>Alginate</p> Signup and view all the answers

    What role does the EPA have in relation to disinfectants?

    <p>It monitors their environmental impact.</p> Signup and view all the answers

    What might indicate the need to repair a denture?

    <p>Fracture</p> Signup and view all the answers

    Which type of material is NOT typically used for preliminary impressions?

    <p>Elastomeric</p> Signup and view all the answers

    Which organization primarily deals with the regulation of medical devices, including some disinfectants?

    <p>FDA</p> Signup and view all the answers

    If a new disinfectant is introduced to the market, which agency would be responsible for its assessment?

    <p>FDA</p> Signup and view all the answers

    Which property defines alginate as a hydrocolloid?

    <p>It is irreversible and hydrophilic</p> Signup and view all the answers

    Which of the following agencies is not involved in the registration of disinfectants?

    <p>FBI</p> Signup and view all the answers

    Which cement requires mixing on a cool, dry glass slab due to its exothermic reaction?

    <p>Zinc phosphate</p> Signup and view all the answers

    Which of the following cements is NOT exothermic during the mixing process?

    <p>Both B and C</p> Signup and view all the answers

    What characteristic is associated with zinc phosphate cement?

    <p>It requires a special mixing technique to avoid heat.</p> Signup and view all the answers

    Which material is commonly used to mix dental cements due to its properties?

    <p>Cool, dry glass slab</p> Signup and view all the answers

    Which of these cements is most likely to be chosen for its exothermic reaction during setting?

    <p>Zinc phosphate</p> Signup and view all the answers

    How often should splash, spatter, and droplet surfaces be cleaned?

    <p>At least once per day</p> Signup and view all the answers

    What is the minimum frequency for cleaning splash, spatter, and droplet surfaces?

    <p>At least once per day</p> Signup and view all the answers

    Which of the following statements is true regarding the cleaning of splash, spatter, and droplet surfaces?

    <p>They should be cleaned at least once per day</p> Signup and view all the answers

    What frequency of cleaning splash, spatter, and droplet surfaces is NOT recommended?

    <p>At the beginning or end of each week</p> Signup and view all the answers

    Which cleaning schedule is not advisable for splash, spatter, and droplet surfaces?

    <p>Once a month</p> Signup and view all the answers

    What is the recommended technique to remove alginate impression trays from a patient's mouth?

    <p>Use a firm snapping motion</p> Signup and view all the answers

    Which motion should be avoided when removing alginate impression trays?

    <p>Twisting and pulling sideways</p> Signup and view all the answers

    What should be done before using a firm snapping motion to remove an alginate impression?

    <p>Break the seal of the impression</p> Signup and view all the answers

    What is a common misconception about removing alginate impression trays?

    <p>Snapping motions cause discomfort to patients</p> Signup and view all the answers

    What must be ensured before applying a snapping motion to remove an alginate impression?

    <p>The impression seal is broken</p> Signup and view all the answers

    What does the acronym AED represent?

    <p>Automated external defibrillator</p> Signup and view all the answers

    Which of the following is NOT a correct expansion of AED?

    <p>Automated easily defibrillator</p> Signup and view all the answers

    What is the primary use of an AED?

    <p>To help the heart return to a normal rhythm</p> Signup and view all the answers

    Which type of instruments are classified as semi-critical instruments?

    <p>Dental hygiene scalers</p> Signup and view all the answers

    In which scenario would an AED typically be used?

    <p>When a person is unconscious with no pulse</p> Signup and view all the answers

    What is the primary requirement for semi-critical instruments?

    <p>Some level of sterilization</p> Signup and view all the answers

    Which instrument is least likely to be classified as semi-critical?

    <p>Lead apron</p> Signup and view all the answers

    Which of the following is a key feature of an AED?

    <p>Provides voice prompts to guide the user</p> Signup and view all the answers

    Which of the following best describes semi-critical instruments?

    <p>Instruments used with non-intact skin</p> Signup and view all the answers

    Which classification relates to the lowest level of required sterilization?

    <p>Non-critical instruments</p> Signup and view all the answers

    Which of the following is an EPA registered intermediate level hospital disinfectant recommended for use on surface areas soiled with potentially infectious patient material?

    <p>Iodophor</p> Signup and view all the answers

    What level of disinfectant is an iodophor classified as?

    <p>Intermediate level disinfectant</p> Signup and view all the answers

    Which disinfectant is NOT appropriate for use on potentially infectious patient material surfaces?

    <p>Hydrogen peroxide</p> Signup and view all the answers

    Which of the following disinfectants is typically used for sterilization rather than disinfecting surfaces?

    <p>Ethylene oxide</p> Signup and view all the answers

    Which agent is commonly mixed with surfactants to improve its efficacy as a disinfectant?

    <p>Iodophor</p> Signup and view all the answers

    Which two bacteria are primarily responsible for causing dental caries?

    <p>Mutans streptococci and lactobacilli</p> Signup and view all the answers

    What role do mutans streptococci play in dental health?

    <p>Cause dental caries</p> Signup and view all the answers

    How do lactobacilli contribute to dental health issues?

    <p>They form from sugar intake</p> Signup and view all the answers

    Which statement is true regarding the bacteria involved in dental caries?

    <p>Lactobacilli only appear in the presence of high sugar intake.</p> Signup and view all the answers

    What is a common misconception about the relationship between sugar intake and dental bacteria?

    <p>Sugar intake increases the presence of lactobacilli.</p> Signup and view all the answers

    Study Notes

    Identifying the Correct Dental Cement

    • The cement that becomes exothermic and should be mixed on a cool, dry glass slab is zinc phosphate.

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    Description

    Test your knowledge on the anatomy of teeth, including the specific functions of molars and their role in digestion. Additionally, explore the regulations surrounding dental disinfectants and materials used in dentistry. This quiz covers critical topics for dental students and professionals.

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