Full crown preparation using M R Dimashkieh self limiting bur
-
Upload
rida-dimashkieh -
Category
Healthcare
-
view
300 -
download
0
Transcript of Full crown preparation using M R Dimashkieh self limiting bur
![Page 1: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/1.jpg)
M R Dimashkieh Gauged Diamond Full crown preparation ���
![Page 2: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/2.jpg)
![Page 3: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/3.jpg)
M R Dimashkieh
ü No Over Reduction ü No Enamel lip creation
Conventional
× Over Reduction × Enamel lip creation
![Page 4: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/4.jpg)
1 mm Smooth Guiding pin Round end tapered diamond provided with 2 sizes 0.5mm and 0.7mm chamfer width
2 layers natural diamond coating
Spiral Geometry
ü Turbo cutting, cool grinding with optimal control
ü Less pressure needed ü Does not harm the pulp ü Self cleansing
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
![Page 5: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/5.jpg)
How to use
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 6: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/6.jpg)
Create the first plane with controlled reduction parallel to the incisal half of the facial surface
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 7: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/7.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 8: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/8.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 9: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/9.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 10: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/10.jpg)
When M R Gauged Diamond reaches its full abrading depth the guiding pin will rest on the external tooth surface
ü No Over reduction
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 11: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/11.jpg)
Create the second plane with controlled reduction parallel to the gingival half of the facial surface
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 12: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/12.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 13: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/13.jpg)
When M R Gauged Diamond reaches its full abrading depth the guiding pin will rest on the external tooth surface
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 14: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/14.jpg)
Uniform chamfer margin without forming a lip of unsupported enamel
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 15: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/15.jpg)
Reduce the palatal surface
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 16: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/16.jpg)
Axial tooth reduction completed with 0.5 mm chamfer using small M R D
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 17: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/17.jpg)
With 1mm step back (length of guiding pin) Cerate a second 0.7mm facial finish line using large MRD
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 18: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/18.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 19: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/19.jpg)
1st 0.5mm Finish line 2nd 0.7mm Finish line
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 20: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/20.jpg)
Joining the 1st and 2nd finish line with a conventional round end tapered diamond to produce 1.2 mm chamfer
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 21: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/21.jpg)
Joining the 1st and 2nd finish line with a conventional round end tapered diamond to produce 1.2 mm chamfer
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 22: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/22.jpg)
Joining the 1st and 2nd finish line with a conventional round end tapered diamond to produce 1.2 mm chamfer
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 23: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/23.jpg)
1.2 chamfer
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
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
M R Dimashkieh
![Page 24: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/24.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
![Page 25: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/25.jpg)
Always Start with supra-gingival margin
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
![Page 26: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/26.jpg)
Do not rest the guiding pin on the external gingival surface If sub-gingival margin required move the bur toward the gingiva while the guiding pin kept in contact with the external tooth surface
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
![Page 27: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/27.jpg)
Dimashkieh,M.R.(1993).ModifiedrotarydesigninstrumentsforcontrolledfinishlinecrownpreparaAon.TheJournalofprosthe0cden0stry,69(1),120-121.
![Page 28: Full crown preparation using M R Dimashkieh self limiting bur](https://reader031.fdocuments.in/reader031/viewer/2022011722/58714c1d1a28ab55588b6d57/html5/thumbnails/28.jpg)
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