Material

• What is the primary consideration in material choice for dental restoration?

  Clinical grounds according to patients' needs
• What assumptions are made before deciding on restoration material?

  Prescription, patient consent, and medical history checked
• What preventive needs should be addressed prior to restoration?

  Preventive needs must be taken care of
• What is a factor to consider regarding caries risk?

  Neither material contains fluoride
• Why is composite not used if caries risk is high?

  Risk of secondary caries due to shrinkage
• When is amalgam indicated for cavity restoration?

  For large cavities or subgingival areas
• In what situation is composite best used?

  In minimal cavities, not strong in large cavities
• Why is amalgam not used in minimal cavities?

  It is destructive of tooth tissue requiring undercuts
• What can composite support that amalgam cannot?

  Thin sections of enamel
• What can be done with fissures not involved in caries when using composite?

  They can be fissure sealed
• What is imperative for composite placement?

  Moisture control with rubber dam
• How does moisture control differ between amalgam and composite?

  Composite is sensitive to moisture contamination
• What conditions must amalgam be placed under?

  Under dry conditions, relatively easy to place
• What is a key requirement for placing composite restorations?

  Full patient cooperation
• Why is composite considered time-consuming to place?

  It requires careful placement and curing
• When is amalgam preferred over composite in terms of placement speed?

  When patient cooperation is poor
• How does the need for polishing differ between composite and amalgam restorations?

  Composite does not need a second visit for polishing
• In what situations is amalgam not recommended for use?

  Pregnancy, allergies, or multiple sclerosis
• What potential issue can arise from using composite restorations?

  Occasional allergic reactions
• Why is composite not suitable for bruxists?

  It cannot withstand heavy occlusal load
• In what type of cavities is amalgam considered better?

  In larger cavities or bruxism cases
• When is composite restoration necessary for aesthetics?

  When the restoration is visible
• How does the cost of composite compare to amalgam?

  Composite is more expensive
• How might NHS or private dentistry influence restoration choice?

  It may affect the decision based on cost
• What factor may influence a patient's choice of restoration?

  Preference for aesthetic restoration
• What are the key differences between composite and amalgam restorations?

  • Composite:
  • Time-consuming, requires cooperation
  • No second visit for polishing
  • Can cause allergies
  • Needed for visible restorations
  • More expensive
  • Amalgam:
  • Quicker to place, requires polishing visit
  • Not used in pregnancy or allergies
  • Better for larger cavities and bruxism
  • Cheaper
• What can happen if infected tooth tissue is not fully removed before composite placement?

  It can lead to secondary caries.
• What is the consequence of applying insufficient etch to tooth tissue?

  It results in inadequate retention of the composite.
• Why is it important to leave etch on the tooth for the correct duration?

  To ensure proper bonding and demineralisation.
• What happens if an inadequate amount of bond is applied to the cavity cut?

  The composite may not bond effectively.
• What can underfilling at the margins of a restoration lead to?

  It can cause leakage and secondary caries.
• How can the shape of the cavity cut affect the restoration?

  Rough walls and a non-flat floor can cause fractures.
• What is the effect of inadequate light curing of composite?

  It can lead to weak restoration.
• What can poor isolation of the tooth during filling lead to?

  It can cause contamination and weak polymerisation.
• What should be done if a patient closes their mouth mid-procedure?

  The cavity needs to be re-etched.
• Why might composite not be the best option for a large molar restoration?

  Amalgam may be stronger and less moisture-sensitive.
• What can a plaque retentive overhanging margin lead to?

  It can cause secondary caries.
• How can a patient's diet affect the success of a restoration?

  A poor diet can increase the risk of secondary caries.
• What is the consequence of not checking materials for expiration before use?

  It can lead to compromised restoration quality.
• What can happen due to shrinkage on setting of composite?

  It can lead to underfilled margins and leakage.