Table 2: Triggering Factors and Symptoms.

Patient

Triggering Event

Location

Symptoms at the Time of Diagnosis

1

Spontaneous, with irritation from denture

Right mandibular body

Pain radiating to right ear and necrotic exposed bone in right mandible

2

Extraction of residual tooth root in 2016

Left mandibular body

Pain under denture, first noticed blister at site followed by presence of necrotic bone one year after extraction

3

Extraction of tooth #17

Left mandibular angle

Recurrent infection characterized by purulence, pain, non-healing dehiscence and presence of necrotic bone at site #17