Cavity Preparation Flashcards

1
Q

What are the principles of cavity preparation?

A
  1. Access
    - -> Dam
    - -> Remove enamel with high speed bur
  2. Extent
    - -> Follow spread of caries at ADJ & clear
    - -> Smooth enamel cavo-surface margins
  3. Remove dentinal caries
    - -> Sharp probe to detect ‘sticky’ caries
    - -> Only leave stain if hard under probe
    - -> Residual dentinous caries should be removed first before pulpal floor
    - -> Slow speed/ hand excavator
  4. Modifications
    - -> Modify cavity in accordance to choice of restorative material
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