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Post-Traumatic Trigeminal Neuropathy Affecting an Accessory Canal of Canalis Sinuosus and Its Surgical Management: A
Vui Leng Tan1, Peter Parashos1
1Faculty of Medicine, Dentistry and Health Sciences, Melbourne Dental School, The University of Melbourne, Melbourne, Victoria, Australia.
Aim:
To describe an unusual case of post-traumatic trigeminal neuropathy affecting an accessory canal of the canalis sinuosus related to a maxillary central incisor.
Summary:
This case report presents a 48-year-old female patient who suffered from neuropathic pain following the crown placement and endodontic treatment of a left maxillary central incisor (tooth 21). A cone beam computed tomographic (CBCT) scan of the anterior maxilla revealed an accessory canal apical to tooth 21, with extruded sealer within the bony channel. A sustained resolution of the patient's symptoms was achieved following apicectomy of the tooth and surgical resection of the accessory canal. The tooth remained asymptomatic at the 5-year follow-up.
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