1
Zainab Haji
Roll # 12
Group B
Batch # 18
Department of Prosthodontics.
Fatima Jinnah Dental College & Hospital.
“Markets

are changing across the board, and
the dental industry is no exception. The
catalyst for change in this industry...






1950s U.S Air Force
1971 Dr.Duret- Sopha System (crowns)
1985 Dr. Moermann- CEREC® system (inlay)
1980s Dr. Ande...






Inlays & onlays.
Veneers.
Coping.
Substructures.
Full coverage crowns.

5
Eliminates second visit

No casting errors

Accuracy of impression and
restoration

No layering errors

Opportunity to vie...
Initial equipment cost

Capturing errors

Color- customization

7
8
Intra oral abutments

impression

Working
model

Wax
up

Casting

Porcelain works

CONVENTIONAL LAB WORK
Final restoration...
Surface of stone models is measured by tools,
called digitizers and scanners, to obtain
digital data that represents morph...
[4]
11
[5]
12
[6]
13
[7]
14


In office- scan, fabricate and seat within same
appointment.



CAD/CAM dental lab models- scan a stone ast
of prepare...
[8]
16










CEREC 123
DCS Precident
Cercon
Procera All Ceram 1994
Cicero 1999
LAVA 2002
Everest
Katana
iTero
17
[9
]

18
19
Porcelain
Ceramic blocks available as
Zirconia (fully sintered and
partially sintered),
ZirconiumOxide
 Lithium disilicat...
21


Subtractive manufacturing- power driven
machine tools as lathes, milling machines,
drill press.



Additive manufactur...


Resin Adhesive Cements:
*light-cure
*self-cure
*dual-cure

[10]
23
Ref: Pract Proced Aesthet Dent 2006;18(3):A-F
200603PPAD_3980_Klim.qxd

24
25
26
27
[1] Johnosn P. As the World Turns. The changing global marketplace is revolutionizing
the way dental laboratories do busin...
THANKYOU
FOR YOUR
ATTENTION.

29
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Computer aided design computer aided manufacture (cad-cam)

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A REVIEW TO CAD/CAM RESTORATIONS

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Computer aided design computer aided manufacture (cad-cam)

  1. 1. 1
  2. 2. Zainab Haji Roll # 12 Group B Batch # 18 Department of Prosthodontics. Fatima Jinnah Dental College & Hospital.
  3. 3. “Markets are changing across the board, and the dental industry is no exception. The catalyst for change in this industry have been the digital platforms that have been developed, working in concert with the economic situation we find ourselves in today” JOHNSON [1] 3
  4. 4.     1950s U.S Air Force 1971 Dr.Duret- Sopha System (crowns) 1985 Dr. Moermann- CEREC® system (inlay) 1980s Dr. Andersson- Procera® system (titanium copings and composite veneered restorations) This system later developed as a processing center networked with satellite digitizers around the world for the fabrication of all-ceramic frameworks. [2] 4
  5. 5.      Inlays & onlays. Veneers. Coping. Substructures. Full coverage crowns. 5
  6. 6. Eliminates second visit No casting errors Accuracy of impression and restoration No layering errors Opportunity to view, adjust, rescan Cost effective No physical impression for the patient Cross infection control Saves time and labor No Temporization View occlusion digitally Esthetic 6
  7. 7. Initial equipment cost Capturing errors Color- customization 7
  8. 8. 8
  9. 9. Intra oral abutments impression Working model Wax up Casting Porcelain works CONVENTIONAL LAB WORK Final restoration [3] Luting to abutment 9
  10. 10. Surface of stone models is measured by tools, called digitizers and scanners, to obtain digital data that represents morphology of target tooth.  Contact probe  Laser beam with Position Sensing Device sensor  Laser with CCD camera  Intraoral digitizers 10
  11. 11. [4] 11
  12. 12. [5] 12
  13. 13. [6] 13
  14. 14. [7] 14
  15. 15.  In office- scan, fabricate and seat within same appointment.  CAD/CAM dental lab models- scan a stone ast of prepared tooth in lab. Produce coping and poreclain is then added.  CAD/CAM for outsourcing- network machining centre 15
  16. 16. [8] 16
  17. 17.          CEREC 123 DCS Precident Cercon Procera All Ceram 1994 Cicero 1999 LAVA 2002 Everest Katana iTero 17
  18. 18. [9 ] 18
  19. 19. 19
  20. 20. Porcelain Ceramic blocks available as Zirconia (fully sintered and partially sintered), ZirconiumOxide  Lithium disilicate glass blocks  Glass infiltrated alumina  Glass infiltrated alumina with partially stabilized Zirconia  Densely sintered high- purity Alumina  Yttria-stabilized tetragonal Zirconia polycrystal material   20
  21. 21. 21
  22. 22.  Subtractive manufacturing- power driven machine tools as lathes, milling machines, drill press.  Additive manufacturing- series of cross sectional slices layered on top of one another. 22
  23. 23.  Resin Adhesive Cements: *light-cure *self-cure *dual-cure [10] 23
  24. 24. Ref: Pract Proced Aesthet Dent 2006;18(3):A-F 200603PPAD_3980_Klim.qxd 24
  25. 25. 25
  26. 26. 26
  27. 27. 27
  28. 28. [1] Johnosn P. As the World Turns. The changing global marketplace is revolutionizing the way dental laboratories do business. Inside Dent Technol 2010;1(2), http://www.dentalaegis.com/idt/2010/12/as-the-world-turns [2, 4, 5,6,] Dental Materials Journal 2009; 28(1): 44-56 [3] Australian Dental Journal 2011; 56:(1 Suppl): 97–106 doi: 10.1111/j.1834-7819.2010.01300.x [8,10] Innovation in Dentistry:CAD/CAM Restorative Procedures. A Peer-Reviewed Publication, Written by James Klim, DDS, FAGD, FADFE and Edward B. Corrales [7,9] CAD/CAM and Digital Impressions,Written by Paul Feuerstein, DMD and Sameer Puri, DDS Few Images from google 28
  29. 29. THANKYOU FOR YOUR ATTENTION.  29

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