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Joint Cephalometric Experts Group 2011

Mark Hans, DDS, MSD

Wednesday, November 9, 2011 at 6:30 PM - Friday, November 11, 2011 at 12:00 PM (EST)

Ticket Information

Ticket Type Sales End Price Fee Quantity
Opening Dinner Wed Evening Ended $60.00 $2.49
JCEG Late Registration Ended $275.00 $7.87
Complementary Registration for Lucia, Beatriz, and Tung. Ended Free $0.00

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Event Details

Hotel Information-

Intercontinental Suites Hotel ask for CASE JCEG




The Joint Cephalometric Experts Group  (JCEG) 


A link with the past-A promise for the future.


Purpose: To map the transition from 2D cephalometrics to 3D cone beam imaging for assessment of orthodontic outcomes as well as diagnosis and treatment planning. To facilitate the transition from plaster models to 3D digital study casts. 




In 2001, the introduction of low cost, low radiation dose, high resolution cone beam computed tomography in clinical orthodontics created the potential for new discoveries in craniofacial biology and facial growth. This technology provides researchers and clinicians with the tools needed to study 3D changes in craniofacial anatomy associated with the growth process and clinical care. In the 20th century, radiographic cephalometry was a pioneering advance that led to many fundamental insights into the effects of orthodontic treatment. CBCT imaging promises similar advances in the 21st century.


In 2010, new low cost scanners are able to digitize plaster models and/or dental impressions to produce digital study casts. The high quality and low cost of these new devices makes the prospect of digital study casts practical for orthodontists interested in keeping pace in the age of technology. However, as with CBCT, the steep learning curve combined with the desire of manufacturers to sell product necessitates a forum for unbiased discussion of the pros and cons of adopting this technology in orthodontics. Therefore, this year JCEG III will also include 3D model scanning in the discussion matrix.

Shuttle Service: Please note, The Intercontinental Suites Hotel will provide one round trip per day. The shuttle on Thursday morning will leave for Dively Center at 7:30am.  



Preliminary JCEG IV Agenda

Wednesday November 9, 2011

630 pm Welcome Dinner to Finalize Agenda at Night Town

Thursday November 10 Dively Center Room 202

830am         Welcome and Introductions

900am         Superimpositions

1000am        3D Morphologic Standards

1100am        Registration of images

12noon        Box Lunch-Provided

1pm             Nomenclature/Terminology

2pm             Database of 3D CT images

3pm             Image Quality and Machine Parameters

4pm            Digital Study Casts


6pm Adjourn

Dinner on your own.

Friday November 11 Intercontinental Suites

Brunch Provided at the Intercontinental Suites Hotel and meeting will take place at the Intercontinental Suites Hotel on Friday.

900am               Superimposition-Summary

930am               Registration- Summary

1000 am            3D Morphologic Standards- Summary

1030am            Image Quality and Machine Parameters- Summary

1100am            Database of 3D CT images- Summary

1130am            3D Scanning-Summary

12 noon        Adjourn and head back home.

Following the protocols established in JCEG I II,and III, the group sessions will be videotaped.


New this year!! Pre JCEG 3D Software Course Wed 9am to 4 pm at the Dively Center.

This 6  hour workshop and will requre participants to bring a laptop computer capable of running high end graphics based programs. 

Latest Update from Lucia:

The recently updated  image analysis  tools run more efficiently in Mac or Linux. A dual boot ( Boot camp) mac/linux  would be ideal, but a mac  or a windows  laptop are ok  for this workshop. Presenters will bring USB  drives for  each attendee.  Also please check the  NAMIC website  that has  further  info  and  agenda for the workshop:


Please contact Lucia at cevidanl@dentistry.unc.edu for more details. Below is the workshop description.

Background: This workshop will highlight the use  of publicly available  software for  dental applications of 3D virtual models from Cone-beam CT volumes. The ability to visualize the face in 3D does not imply the ability to quantify growth or treatment changes. 3D structural shape analyses continue to mandate a multidisciplinary collaborative team including clinician researchers, shape analysis and statistical modeling experts. Purpose: The intent of this workshop is to update researchers on the development and application of 3D quantitative analyses. In this workshop researchers will learn: 1) underlying statistical methods used; 2) implementation of the software that allows construction of 3D averages; and 3) quantitative analysis of differences in shape. Speakers: 1. Softwares and statistical analysis of shape;  2. Quantification of 3D craniofacial morphology. Outcomes/significance: The workshop will allow participants to understand the use of 3D quantitative methodology across patients with different facial morphology and for longitudinal assessments. Potentially, this workshop will enhance a more generalized use of quantitative 3D data. Attendees are requested to bring PC laptops and will be sent URLs to download relevant 3D analysis software programs in advance of the workshop. The workshop participants will be presented with the opportunity to use a number of the software packages discussed.



The following are the official working groups of JCEG along with a short description of the scope of the group:

Superimposition/Outcomes Assessment --Identify biologically stable and relevant features for superimpositionof 3D volumes.

Registration- Establish a set fiducial landmarks within the volume to insure the integrity of the image and to allow landmark data derived from the imageto be stored in a known coordinate system.

3D Morphologic Standards/Diagnosis and Treatment Planning- Combine the existing 3D Bolton Landmark data withsurface data acquired from CBCT to create 3D graphical standards thatcan be used for orthodontic diagnosis and treatment planning-.

Database of 3D CT images - Develop and implement a database of 3D images forcraniofacial research.

3D Digital Models- Establish guidlelines for 3D digital models that facilitates free exchange of model data among practitioners. Identify useful 3D tools for model analysis.




Have questions about Joint Cephalometric Experts Group 2011? Contact Mark Hans, DDS, MSD
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When & Where

Dively Center
Bellflower Road
Case Western Reserve University
Cleveland, OH 44106-4905

Wednesday, November 9, 2011 at 6:30 PM - Friday, November 11, 2011 at 12:00 PM (EST)

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Mark Hans, DDS, MSD

The purpose of J.C.E.G. is to map out a plan for the transition from 2D cephalometrics to 3D cone beam imaging AND 3D models for assessment of orthodontic outcomes, as well as diagnosis and treatment planning.

  Contact the Organizer
Joint Cephalometric Experts Group 2011
Cleveland, OH Events Conference

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