Crown prep step by step

Discussion in 'Dental Students' started by Queen floss, Sep 7, 2017.

  1. Queen floss

    Queen floss

    Sep 6, 2017
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    Hello All,
    I would really like to know the basic steps on how the whole crown prep process works, I am getting a little confused and I know there is different ways to go about doing it.
    What I think I know:
    -Take an alginate impression of both arches with a metal tray (one to help fabricate a temporary crown and one for the opposing arch which the lab will use to pour up a model)
    - Anaesthetise, select tooth shade and then prepare the tooth with the high speed handpiece
    - apply retraction cord and remove before you take a final impression
    - take a final impression using heavy body and light body with a plastic tray (a full tray)
    - take a bite registration with jet bite or wax
    - using alike or integrity place material in the alginate impression that you took in the beginning, then place that impression in the mouth
    - remove and trim
    - Send to lab: opposing arch impression, final impression and bite registration

    I guess i want to know more or less which materials and trays to use to take the impressions.

    - When do you use a quadrant tray (not triple tray)?
    - can you use putty instead of alginate to fabricate the temporary crown?
    - Anything else to send to the lab? the tray you used to make the temp?
    Queen floss, Sep 7, 2017
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  2. Queen floss


    Sep 13, 2017
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    You can use putty or a suck down matrix to make the temporary crown.
    THY, Sep 13, 2017
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