Cervical plates are attached by screws that enter the vertebral body. The front part of the body is the ventral cortex and the screw has to penetrate this cortex to enter the vertebral body. If the screw is 1/3 in bone, I assume that it is not embedded in bone fully and is “sticking out” by 2/3 in front of the plate which could irritate the esophagus. A screw that backs out can also indicate a non-solid fusion but not always. Ask your surgeon if it is protruding and show you the X-rays.
Dr. Corenman
PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.