DICOM WG 22 (Dentistry)

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DICOM WG 22 (Dentistry) Past, Present,
and Future
Allan G. Farman, Founding Co-Chair DICOM WG
22 President, AAOMR
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You are a Dental Practitioner without a digital
system. You make a photograph of the radiograph
on your viewbox, or use a transparency adaptor
to your flatbed scanner. You refer the images to
a second dentist and they are transferred
efficiently. PROBLEM The JPEG images have no
image file attributes to indicate patient unique
identifier, date of exposure, or even R-L
orientation. The radiograph could be
misidentified as belonging to the wrong patient
or incorrectly orientated.
SCENARIO 1
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You are a Dentist with digital X-ray system
A You make a dental Io image using System A
and refer the patient to an Endodontist with
System B. The image from system A is
displayed with System B . The Endodontist makes
Endo completed images with System B and sends
them to The GP. The GP sends images from Systems
A and B to a Prosthodontist with System C.
Images from X, Y and Z can be
interoperable because all can use the DICOM file
format.
SCENARIO 2
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DICOM IN DENTISTRY

• 1983 ACR-NEMA gt 1992 DICOM gt 1994 DICOM
  demonstrated by 25 vendors at RSNA infoRad
• 1996 DICOM Standards Committee re-formed ADA
  was the first representative of organized
  Dentistry.
• 2000 (Summer) Six dental vendors meet at CAR/CMI
  San Francisco to investigate cooperation on
  digital interoperability/DICOM.
• 2000 (Fall) ADA House of Delegates Resolutions
  supports DICOM for image interoperability in
  Dentistry.

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American Dental Association Board Resolution
B-164-2000
B-164.  Resolved, that the ADA adopt the Digital
Imaging and Communication Standard (DICOM) as its
standard for communication of digital dental
images and be it furtherResolved, that the
appropriate agencies of the ADA develop and
communicate a definition of compliance with the
DICOM and other relevant standards that can be
used by the members to ensure vendor's compliance
and be it furtherResolved, that the appropriate
agencies of the ADA develop a mechanism for
recognizing vendors in compliance with the ADA
definition of the DICOM and other appropriate
standards.
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DICOM IN DENTISTRY

• 2001 (Feb) Vendors meet before Chicago MidWinter
  Dental Congress. ADA Standards Committee on
  Dental Informatics WG 12.1 (Interoperability)
  formed.
• 2003 DICOM WG22 (Dentistry) formed. Initially
  membership similar to that of SCDI WG 12.1.
• 2009 DICOM WG22 Task Groups formed in Japan and
  Europe as well as the USA. Membership evolves.
• 2010 AAOMR and AAO apply for DICOM Standards
  Committee Membership.

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Why DICOM in Dentistry?

• Efficiency Integration of different modalities
  in one dental office.
• Portability Exchange of images between dental
  practitioners needed when patients move or
  require specialist care.
• Integrity Attributes uniquely identify the
  patient, procedure, procedure date and protect
  image integrity.

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CD x4 Years Education in the Round Live
Operatory x2 Years
Demonstration projects at ADA Annual Sessions
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WG 22 Work

• Supplement 92 Dental Grayscale Images
• Supplement 113 E-mail Transport
• Supplement 116 (with WG 2) 3D X-Ray
• Supplement 123 Structured Display
• Supplement 132 (with WG 24) Endosseous
  Implants
• Future Work (with WG 24) Optical Surface Scans
• Future Work (with WG 24) Prosthetic Chain
  Europe
• Future Work Dental Query/Retrieve Japan
• 
  Dx
  
• 
  Surgery

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• There is a story about four people named
  Everybody,
• Somebody, Anybody, and Nobody.
• There was an important job to be done and
• Everybody was sure that Somebody would do it.
  
• Anybody could have done it, but Nobody did it.
  
• Somebody got angry about that, because it was
• Everybody's job.
• Everybody thought Anybody could do it, but Nobody
  
• realized that Everybody wouldn't do it.
• It ended up that Everybody blamed Somebody when
• Nobody did what Anyone could have.
• 
  
  
  
  
• 
  author unknown