Dental Science Quiz
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Questions and Answers

What percentage of copper is needed to eliminate the gamma phase?

  • 13% Copper (correct)
  • 10% Copper
  • 2% Copper
  • 4% Copper
  • Which type of scaler uses elliptical motion for scaling teeth?

  • Piezoelectric
  • Sonic
  • Ultrasonic
  • Magnetostrictive (correct)
  • According to Kennedy's classification, what is Class Two?

  • Bilateral edentulous areas posterior to remaining teeth (correct)
  • Single area of edentulous space
  • Unilateral edentulous area
  • Bilateral edentulous areas anterior to remaining teeth
  • What is the most commonly used concentration of sodium hypochlorite in endodontics?

    <p>5.25%</p> Signup and view all the answers

    What diagnosis is indicated by attachment loss at upper canines and lower premolars in a child?

    <p>Localized Periodontitis</p> Signup and view all the answers

    What structure is the nasal septum primarily formed by?

    <p>Vomer bone</p> Signup and view all the answers

    What is the main indication for the use of a Preventive Resin Restoration (PRR)?

    <p>Shallow caries involving entire fissure</p> Signup and view all the answers

    Removing dentin in the dangerous zone to cementum is referred to as what?

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

    What could be a possible reason for the patient's pain around the abutment after a year?

    <p>Loose denture</p> Signup and view all the answers

    Which instrument is specifically designed for subgingival use?

    <p>Gracey Curette</p> Signup and view all the answers

    How should fluoride tablets be administered for maximum effectiveness?

    <p>Chewing and wash teeth with it then swallow</p> Signup and view all the answers

    What factor contributes to the most stable results after orthodontic procedures?

    <p>Widening of maxilla</p> Signup and view all the answers

    When is the ideal time for a child to have their first visit to the orthodontist?

    <p>When upper permanent incisors erupt</p> Signup and view all the answers

    What is a disadvantage of using a full-thickness mucoperiosteal flap?

    <p>Delayed secondary healing</p> Signup and view all the answers

    What is the purpose of having a wide base for a surgical flap?

    <p>Better blood supply to the wound</p> Signup and view all the answers

    Which material is known for being more stable in color compared to others?

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

    Study Notes

    Copper and Fluoride

    • The copper ratio that eliminates the gamma phase is 13% Copper.
    • Fluoride in water concentrates at 1 ppm.

    Dental Instruments and Techniques

    • A scaler with elliptical motion, used for plaque and calculus removal, is referred to as a Magnetostrictive scaler.
    • Sodium hypochlorite, the most commonly used irrigant in endodontics, is utilized at a concentration of 5.25%.
    • For subgingival procedures, a Gracey Curette is the preferred instrument.

    Periodontal Classification and Conditions

    • According to Kennedy's classification, bilateral edentulous areas located posterior to remaining natural teeth are classified as Class one, while areas anterior to remaining teeth are classified as Class four.
    • A 21-year-old male with attachment loss at upper canines and lower premolars is diagnosed with Localized Periodontitis.
    • Following surgery, complete re-epithelization occurs typically after 10-15 days.

    Surgical Considerations

    • Removing dentin in a zone dangerous to cementum is termed "Stripping."
    • A wide base for mucoperiosteal flaps is important to ensure better blood supply to the wound.

    Hematology in Dentistry

    • Thrombocytopenia leads to an increase in bleeding time.
    • Patients with Hemophilia may require an intraosseous injection during dental procedures.

    Restorative Techniques and Materials

    • PRR (Preventive Resin Restoration) is indicated for shallow caries involving the entire fissure.
    • For arrested caries, the recommended treatment is PRR, while GIC is commonly used for carious lesions.
    • Porcelain is noted for being more stable in color compared to composite materials.

    Fluoride and Patient Care

    • Fluoride tablets should be chewed and used to wash the teeth before swallowing.
    • For a child with newly erupted teeth showing no catch in pits and fissures, applying fluoride varnish is the suggested treatment.
    • A child with no catch in the pits and fissure area is likely around 6-8 years old when permanent molars begin to erupt.

    Orthodontics and Surgical Considerations

    • Post-orthodontic procedures yield the most stable results with maxillary superior repositioning.
    • A first orthodontic visit is recommended when upper permanent incisors erupt.

    RPD and Oral Surgeries

    • The part of a removable partial denture (RPD) acting as a seat on the occlusal surface is known as a "Rest."
    • During mentoplasty, careful consideration should be given to avoid injuring the Mental nerve.

    Miscellaneous

    • A child presenting for dental treatment typically demonstrates healthy eruptive patterns, indicating normal developmental processes.
    • Surgical complications and healing processes are crucial for successful dental interventions.

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    Description

    Test your knowledge in dental science with this engaging quiz. Questions cover topics like copper ratios, fluoride concentration, and types of dental scalers. Perfect for students prepared to deepen their understanding of dental materials and procedures.

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