Temporomandibular Joint Trauma and Other Conditions

Temporomandibular Joint Trauma and Other Conditions

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Decreased mouth opening (DMO):

Difficulty opening the mouth by the animal or decreased range of mouth opening upon oral examination

Temporomandibular joint fracture (TMJ/FX):

Fracture of one or more bony structures forming the temporomandibular joint; surgical repair is abbreviated with

TMJ/FX/R

Temporomandibular joint ankylosis (TMJ/A):

Fusion between the bones forming the temporomandibular joint or those in close proximity, resulting in progressive inability to open the mouth; removal of bone in ankylotic areas is abbreviated with

TMJ/A/R

Temporomandibular joint luxation (TMJ/LUX):

Displacement of the condylar process of the mandible; manual or surgical reduction of temporomandibular joint luxation is abbreviated with

TMJ/LUX/R

Temporomandibular joint dysplasia (TMJ/D):

Dysplasia of soft or hard tissues forming the temporomandibular joint

Open-mouth jaw locking (OMJL):

Inability to close the mouth due to locking of the coronoid process of the mandible ventrolateral to the ipsilateral zygomatic arch; manual reduction of open-mouth jaw locking is abbreviated with

OMJL/R

Zygomectomy (ZYG/X):

Resection (usually partial) of the zygomatic arch

Coronoidectomy (COR/X):

Resection (usually partial) of the coronoid process of the mandible

Condylectomy (CON/X):

Resection of the condylar process of the mandible