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 (D)</p> Signup and view all the answers

What is the recommended voxel size for endodontic CBCT?

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

Which type of access preparation is NOT oval?

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

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

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

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

<p>4 weeks (A)</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 (D)</p> Signup and view all the answers

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

<p>Fibroblasts (A)</p> Signup and view all the answers

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

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

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

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

What is the resin matrix used in composite restorations?

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

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

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

Enamel hypoplasia is considered as a

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

The cervical area of the tooth has

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

Bleaching can cause

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

The primer

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

Which type of GIC is used for fissure sealant?

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

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

<p>2mm (D)</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% (B)</p> Signup and view all the answers

Which material is commonly used for restoration of hypoplastic teeth?

<p>Composite (D)</p> Signup and view all the answers

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

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

Which method is recommended for color selection of a restoration?

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

What is the recommended time for etching of enamel?

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

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

<p>Fibroblasts (A)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

Which of the following is the weakest phase for amalgam?

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

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

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

What is the least intensity for QTH light cure?

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

At what pH range does demineralization of enamel occur?

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

What is the major protein of intratubular dentin?

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

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