veneers preparation using m r dimashkieh self limiting bur

M R Dimashkieh Gauged Diamond Veneer preparation ��

Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.

Create the cervical margin first with controlled reduction parallel to the gingival half of the facial surface


M R Dimashkieh

Create the second plane with controlled reduction parallel to the incisal half of the facial surface


M R Dimashkieh

When M R Gauged Diamond reaches its full abrading depth the guiding pin will rest on the external tooth surface


M R Dimashkieh


M R Dimashkieh

If the finish line required to be sub-gingival move the rotating diamond toward the gingiva while the pin is kept in contact with the external tooth surface


M R Dimashkieh


M R Dimashkieh

The guiding pin can enter into the gingival sulcus up to 1.0 mm


M R Dimashkieh


M R Dimashkieh

The guiding pin can enter into the gingival sulcus up to 1.0 mm

Remember, Guiding pin should not rest on external gingival surface during preparation at all time

Provided with 2 Sizes 0.7 mm – 0.5 mm

Different combination of diamond sizes and step back produce different depth of finish lines as required: 0.5 + 0.5 = 1 mm 0.5 + 0.7 = 1.2 mm 0.7 + 0.7 = 1.4 mm


References:

1.  Dimashkieh, M. R. (1993). Modified rotary design instruments for controlled finish line crown preparation. The Journal of prosthetic dentistry, 69(1), 120-121.

2.  Boening, K. W., Kaestner, K. I., Luthardt, R. G., & Walter,

M. H. (2001). Burs with guide pins for standardized tooth preparation. Quintessence International, 32(3).

3.  https://www.researchgate.net/profile/Reda_Dimashkieh

veneers preparation using m r dimashkieh self limiting bur

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