Locked jaw syndrome (inability to open or close the mouth) is a relatively uncommon clinical presentations in canine medicine.
There are numerous causes, each of which requires different treatment modalities.
- Temporomandibular joint ankylosis due to fracture
- Tetanus due to Clostridium tetani
- Trigeminal neuritis
- Masticatory muscle myositis
- Temporomandibular dysplasia (juvenile cranial hyperostosis)
- Mandibular osteosarcoma
- Peripheral nerve sheath tumor
- Temporomandibular joint luxation and dysplasia
- Temporomandibular osteoarthritis
- Retrobulbar abscess
- Severe otitis externa
Surgical intervention is recommended for temporomandibular joint ankylosis.
- Reiter AM & Lewis JR (2008) Locked jaw syndrome in dogs and cats: 37 cases. J Vet Dent 25(2):85
- Gatineau M et al (2008) Locked jaw syndrome in dogs and cats: 37 cases (1998-2005). J Vet Dent 25(1):16-22