Dental Materials OSCE Solved Exam Questions and Answers (Complete Practice Papers)

Dental Materials OSCE Solved Exam
Questions and Answers (Complete
Practice Papers)
What did you think was the most difficult part of placing an
amalgam restoration? - Correct Answers ✅Timing between
setting and carving


Disadvantages of amalgam - Correct Answers ✅-
Unconservative prep
- Mercury leakage
- Unaesthetic
- Metal - prone to corrosion (galvanic, galvanic pain, electric
shock)


Advantages of amalgam - Correct Answers ✅- Wear
resistance comparable to enamel
- Easy to handle
- Low cost
- Long/good clinical life (10-15 years)
- Not sensitive to moisture


Contraindications of amalgam - Correct Answers ✅-
Aesthetic areas
- Need much retention (do not need etch, prime, bond)


Indications of amalgam - Correct Answers ✅Class I, II, V
(posterior - e.g., buccal pit)

, Dental Materials OSCE Solved Exam
Questions and Answers (Complete
Practice Papers)

What is the titration time for amalgam - Correct Answers
✅8 seconds


Titration too quick = expansion
Titration too long = contraction


What is the setting time for amalgam, when would you
polish? - Correct Answers ✅24 hours


How do porosities arise in amalgam - Correct Answers
✅When it is not packed properly (i.e., light pressure
increases porosities), this can be avoided by ensuring
adequate packing/condensing


What are liners? - Correct Answers ✅Calcium hydroxide:
stimulates secondary dentine formation
Ledermix cement: kills pulp in 'hot pulp'
Vitrebond


IPL:
Injury
Post-operative sensitivity