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Peer-reviewed veterinary case report

Basset Hound jaw surgery stops mouth locking and pain

By Rappa, Elena et al.·Published in Veterinary medicine and science·2025·School of Veterinary Medicine·View original on PubMed

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Original publication title: Radial Mandibular Coronoidectomy in a Basset Hound as a Treatment for Temporomandibular Joint Dysplasia.

Species:
dog

Plain-English summary

A 5-year-old Basset Hound was brought in for pain while eating and episodes of its mouth getting stuck open, which had been happening for six months. After examining the dog, the vet found that its jaw was misaligned and fixed in an open position. The vet performed surgery to remove a bone that was causing the jaw to lock, and the dog was able to eat soft food just a few hours later. Over the next year, the dog showed no more pain or locking episodes, indicating a successful recovery.

People also search for: Basset Hound jaw pain · dog mouth locking treatment · temporomandibular joint dysplasia in dogs

Abstract

A -year-old Basset Hound, previously diagnosed with temporomandibular joint dysplasia, presented with a 6-month history of pain during mastication and frequent open-mouth locking episodes. Oral examination under sedation revealed displacement of the mandible to the left and jaw fixation in an open position. Computed tomography images of the head performed in open and closed positions before and after surgery were obtained. A left partial coronoidectomy was performed using a radial TPLO saw blade, removing bone impingement between the coronoid process and zygomatic arch. The dog was eating soft food a couple of hours after surgery, and no further open-mouth locking episodes or pain associated with mouth opening were reported up to one year postoperatively. Functional results were achieved using this technique, with a rapid patient recovery.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/40844574/