Dental Medications
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Questions and Answers

Which material is used as a radiopacifier in gutta-percha?

  • Resins
  • Waxes
  • Heavy metal sulfates (correct)
  • Zinc oxide

    • What is the working time of AH-Plus?

  • 4 hours (correct)
  • 8 hours
  • 15 hours
  • 24-36 hours

    • Which tooth shows 8 endodontic configurations?

  • Mandibular 1st Molar
  • Maxillary 2nd Premolar (correct)
  • Mandibular 2nd Molar
  • Maxillary 1st Molar

    • Which of the following is a disadvantage of MTA?

    <p>Long setting time and can cause pulp obliteration</p> Signup and view all the answers

    What is the recommended voxel size for endodontic CBCT?

    <p>0.2 mm</p> Signup and view all the answers

    Which type of access preparation is NOT oval?

    <p>Upper centrals</p> Signup and view all the answers

    What is the percentage of MB2 presence in upper first molars?

    <p>56%</p> Signup and view all the answers

    Which of the following is a common cause of ledge formation in endodontics?

    <p>Excessive enlargement of a curved canal with files</p> Signup and view all the answers

    What is the recommended splinting time for a tooth that has been intrusively luxated?

    <p>4 weeks</p> Signup and view all the answers

    What is the function of the radial land in a rotary endodontic system?

    <p>All of the above</p> Signup and view all the answers

    What is the most common cell type found in the pulp?

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

    Which of the following is a qualitative method used for diagnosing proximal caries?

    <p>Fibre optic transillumination</p> Signup and view all the answers

    What is the liquid found in Glass Ionomer Cement (GIC)?

    <p>Polyacrylic acid</p> Signup and view all the answers

    What is the resin matrix used in composite restorations?

    <p>Bis-gma (Dimethacralyte)</p> Signup and view all the answers

    What is the recommended waiting time before placing composite restorations after bleaching?

    <p>1 week</p> Signup and view all the answers

    Enamel hypoplasia is considered as a

    <p>quantitative defect of enamel thickness.</p> Signup and view all the answers

    The cervical area of the tooth has

    <p>high chroma.</p> Signup and view all the answers

    Bleaching can cause

    <p>mercury releasing out of amalgam restorations.</p> Signup and view all the answers

    The primer

    <p>increases surface energy of the dentin.</p> Signup and view all the answers

    Which of the following is the best storage media for avulsed teeth?

    <p>Hank's balanced salt solution (HBSS)</p> Signup and view all the answers

    Which type of GIC is used for fissure sealant?

    <p>Type 4</p> Signup and view all the answers

    What is the depth at which self-threading pins are placed in dentin?

    <p>2mm</p> Signup and view all the answers

    What is the composition of amalgam?

    <p>Silver: 63-70%, Tin: 26-28%, Copper: 2-5%, Zinc: 0-2%</p> Signup and view all the answers

    Which material is commonly used for restoration of hypoplastic teeth?

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

    What is the liquid found in Glass Ionomer Cement (GIC)?

    <p>Polyacrylic acid</p> Signup and view all the answers

    Which method is recommended for color selection of a restoration?

    <p>Color corrected fluorescent light</p> Signup and view all the answers

    What is the recommended time for etching of enamel?

    <p>15 seconds</p> Signup and view all the answers

    Which of the following is the most common cell type found in the pulp?

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

    What is the most difficult tooth to anesthetize with irreversible pulpitis?

    <p>Maxillary first molar</p> Signup and view all the answers

    What is the distance between the papilla and labial surface of anterior teeth?

    <p>8-10 mm</p> Signup and view all the answers

    Which of the following is used as a liner under composite restorations?

    <p>Calcium hydroxide</p> Signup and view all the answers

    What is the depth at which self-threading pins are placed in dentin?

    <p>2mm</p> Signup and view all the answers

    Which of the following is the weakest phase for amalgam?

    <p>Gamma 2 phase</p> Signup and view all the answers

    Which tooth is most commonly associated with Talon's cusp?

    <p>Maxillary lateral incisor</p> Signup and view all the answers

    Which of the following is the most common area for amalgam fracture?

    <p>The isthmus of the restoration</p> Signup and view all the answers

    What is the least intensity for QTH light cure?

    <p>300 mW/cm2</p> Signup and view all the answers

    At what pH range does demineralization of enamel occur?

    <p>pH range 5 to 5.5</p> Signup and view all the answers

    What is the major protein of intratubular dentin?

    <p>Type 1 collagen</p> Signup and view all the answers

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