HOYT L, GREENBERG M, MACPHAIL C, et al.
A 3-year-old Bernese Mountain Dog had a 1-week history of pain on opening its mouth and reluctance to eat. Swelling caudal to the left second maxillary molar had been found by the referring veterinarian. The swelling was incised and flushed. No foreign material was observed. After 1 week of supportive care, there was no improvement in clinical signs and the patient was referred. At that time, there was marked discomfort upon opening the mouth. No notable laboratory abnormalities were found.