HOW TO PREP A TOOTH

Ideal Die Preparation

  • Anterior Crowns

    Anterior Crowns

  • Posterior Crowns

    Posterior Crowns

Unacceptable Preparations

  • “J” Margin

    “J” Margin

  • Deep Shoulder

    Deep Shoulder

  • Parallel Axis

    Parallel Axis

  • Rough Margin

    Rough Margin

  • Grooves

    Grooves

  • Different Height (Anterior)

    Different Height (Anterior)

  • Knife Edge

    Knife Edge

  • Undercuts

    Undercuts

  • Different Height (Posterior)

    Different Height (Posterior)

  • Sharp Incisal Top

    Sharp Incisal Top