
Orbital Reconstruction: Inside and Outside the Box
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- Member - $50
- Resident Member - Free!
- Allied Staff Member - $50
- Professional Staff Nonmember - $100
- Other Nonmember - $100
The course will review multiple approaches to reconstructing orbital fractures. These include the use of virtual surgical planning, intraoperative navigation, intraoperative imaging, traditional approaches to the orbit and transantral approaches to the orbit.
Learning Objectives
At the conclusion of this program, participants should be able to:
- Analyze the advantages and disadvantages of using custom hardware for orbital reconstruction.
- Examine the indications and contraindications for using a trans-antral approach to the orbital floor.
- Describe the technique for performing a transantral approach to the orbit.
- Determine the use of combined technologies for addressing complex orbital injuries.
Allen C. Cheng, DDS, MD, FACS
Fellowship Director
Head and Neck Surgical Associates, Legacy Cancer Institute, Providence Cancer Institute
Portland, Oregon
Disclosure(s): No financial relationships to disclose
Lance D. Thompson, DDS, MD
Associate Oral and Maxillofacial Surgeon at Head and Neck Surgical Associates in Portland Oregon
Head and Neck Surgical Associates
Portland, Oregon
Disclosure(s): No financial relationships to disclose
An Internet-based CDE/CME Activity
Original Release Date: September 9, 2024
Expiration Date: September 9, 2027
Estimated time to complete this educational activity: 1.0 hour
Method of participation: Self-Study

Allen Cheng DDS, MD, FACS
Fellowship Director
Head and Neck Surgical Associates, Legacy Cancer Institute, Providence Cancer Institute
Dr. Cheng earned his medical and dental degrees at the University of California, San Francisco. After completing his residency in Oral and Maxillofacial Surgery, Dr. Cheng finished fellowship training in both Head and Neck Oncology and Microvascular Reconstructive Surgery. He is a Board Certified Diplomate of the American Board of Oral and Maxillofacial Surgery.
Dr. Cheng’s practice is comprised of Head and Neck Oncology, Head and Neck Reconstruction, Maxillofacial Trauma. His research interests are focused in the areas of Head and Neck Oncology and Reconstructive Surgery. Dr. Cheng currently serves as the Section Chair of Oral and Maxillofacial Surgery and Medical Director of the Legacy Good Samaritan Oral/Head and Neck Cancer Program. He is also an Assistant Professor at the OHSU School of Dentistry in the Department of Oral and Maxillofacial Surgery.
When he’s not happily helping patients, Dr. Cheng enjoys spending time with his wife and their two children. When he and his wife are not working, they are constantly looking for child-friendly activities to consume the limitless energy exhibited by their two children.
Disclosure(s): No financial relationships to disclose

Lance D. Thompson, DDS, MD
Associate Oral and Maxillofacial Surgeon
Head and Neck Surgical Associates
Dr. Thompson is originally from Arkansas and received his dental degree from the University of Tennessee Health Science Center before moving to Oregon for residency. His medical degree and oral and maxillofacial surgery training were completed at Oregon Health and Science University. He went on to complete a fellowship in Cleft and Craniofacial surgery at the El Paso Children’s hospital In Texas. After completing his training, he joined HNSA in 2021.
His areas of practice include dental implants, wisdom tooth extractions, adult and pediatric maxillofacial trauma, orthognathic surgery, sleep surgery and benign pathology. In addition, he also has a special interest in TMJ surgery including total joint replacement.
Dr. Thompson was a 4yr letterman in football for the University of Arkansas Razorbacks earning a full scholarship playing tight end. One of the appeals of Oregon is his love of outdoor adventure including: cycling, climbing, hiking, and spending time with his wife and two children.
Disclosure(s): No financial relationships to disclose
Continuing Education Provider Approval
The American Association of Oral and Maxillofacial Surgeons is an ADA CERP Recognized Provider.
ADA CERP is a service of the American Dental Association to assist dental professionals in identifying quality providers of continuing dental education.
ADA CERP does not approve or endorse individual courses or instructors, nor does it imply acceptance of credit hours by boards of dentistry.
The American Association of Oral and Maxillofacial Surgeons designates this activity for 1.0 continuing education credit(s).
AGD - Accepted Program Provider
FAGD/MAGD Credit
11/1/22-12/31/26
Provider ID# 214680
The American Association of Oral and Maxillofacial Surgeons (AAOMS) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.
The American Association of Oral and Maxillofacial Surgeons designates this internet-based enduring material for a maximum of 1.0 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
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