Head and neck dissection workshop at CDA Presents

An inaugural dissection workshop using cone beam computed tomography (CBCT) to preview and identify head and neck anatomy prior to and during dissection will take place during the Sept. 8-10 CDA Presents The Art and Science of Dentistry in San Francisco.

The workshop, titled Cone Beam CT and Navigation-Guided Dissection of Head and Neck: Clinical Application and Interpretation, will examine the superficial and deep structures of the face, suprahyoid region, floor of the mouth, neurovascular pathways, masticatory musculature, paranasal sinuses and temporomandibular joint. Attendees will use real-time computer vision navigation and CBCT to guide dissection. The course will combine dissection with CBCT applied to maxillofacial anatomy and pathosis.

The workshop, which will be held on Thursday, Sept. 8, will be co-led by Homayon Asadi, DDS, and David Hatcher, DDS. Hatcher received his dental degree from the University of Washington and was granted a specialty degree in oral and maxillofacial radiology and a Master of Science from the University of Toronto. Asadi is an associate professor and course director of advanced head and neck anatomy at the University of the Pacific, Arthur A. Dugoni School of Dentistry.

"Understanding anatomy is the basis for identifying abnormalities and assessing patient health.   In clinical practice, CBCT is a surrogate method for dissection," said Asadi, who maintains a private practice in San Jose. "This course will strengthen clinical skills utilizing CBCT to evaluate anatomy of a live patient."

CBCT creates spatially accurate 3-D volume of the head and neck anatomy that can be used to visualize anatomic structure layer by layer. During the dissection, a passive optical dynamic navigation system will continually update the 3-D position of the surgical instrument on the CBCT images.

During the hands-on portion of the workshop, attendees will:

  • Work in pairs each assigned a half-head cadaver.
  • Scan the cadaver half-head during dissection utilizing CBCT.
  • Identify normal and abnormal anatomy directly on the cadaver and simultaneously on corresponding CBCT images.
  • Dissect and evaluate selected anatomic structures including paranasal sinuses, suprahyoid region and temporomandibular joint.
  • Utilize software to navigate to specific anatomic sites on CBCT images resulting in virtual dissection of anatomic structures. 

"We predict that computer-aided anatomic dissection will be here to stay and may roll over into clinical practice," Asadi said.

According to Asadi, attendees should leave this workshop with the ability to correlate anatomic structures during dissection with their respective images utilizing CBCT imaging. They should also be able to reinforce CBCT anatomy by direct visualization of dissection anatomy and their dissection skills through CBCT and navigation should improve.

For more information on this workshop and other presentations at CDA Presents in San Francisco, visit cdapresents.com.

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CDA Presents The Art and Science of Dentistry recently took place at the Anaheim Convention Center. The May 12-14 event featured more than 200 educational courses and 575 exhibitors demonstrating new techniques and innovative products and services for dentists.

CDA Presents The Art and Science of Dentistry attendees will get a firsthand look at the key anatomical relationships in the orofacial region, which are essential to a detailed examination. During the workshop titled Anatomy of the Masticatory System: Clinical Application and Dissection, Henry A. Gremillion, DDS, will lead dentists during a detailed dissection of the superficial structures of the oral cavity, paranasal region, face, the masticatory musculature and the temporomandibular joint.