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Free AACD Exam Braindumps (page: 18)

Page 17 of 37
PDF with 149 Questions

Etching the internal surface of bonded porcelain restorations with hydrofluoric acid promotes what?

  1. Chemical coupling
  2. Micromechanical retention
  3. Fracture resistance
  4. Resistance to microleakage

Answer(s): B



Overtime, dentin bonding when compared to enamel bonding exhibits which of the following?

  1. Both enamel and dentin bond strengths remain the same overtime
  2. Dentin bond strength tends to grow stronger over time
  3. Dentin bond strength tends to decrease, while the enamel bond strength remains the same
  4. Enamel bond strength tends to decrease, while the dentin bond strength remains the same

Answer(s): C



The chameleon effect of composites is BEST created by what?

  1. The light focusing effects of the filler particle
  2. A decreased ratio of filler to resin matrix
  3. The filler distribution and its light scattering effect
  4. Irregular surface textures of the focused filler particle

Answer(s): C



What are the components of the biologic width?

  1. Sulcus depth, attached gingiva, and connective tissue
  2. Sulcus depth, epithelial attachment, connective tissue
  3. Connective tissue, free gingival margin, bone height
  4. Attached gingiva, connective tissue, bone height

Answer(s): B






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