Nasal septal foreign body as a complication of dental root canal therapy: A case report

Table 1 Timeline of events

Event	Timeline
Dental root canal therapy (position 21) in clinic A	-4 wk
Swelling and pain in the upper gum and lip	-4 wk +1 d
Foreign bodies found at position 21 in clinic B	-3 wk
Dental root foreign body removal surgery in hospital C	-2 wk
Foreign body residue found, and the second removal surgery	-2 wk +1 d
Slight nasal discomfort	-1 wk
Presentation at our department	0 d
Foreign bodies found in the nasal septum	+1 d
Nasal septal foreign body removal surgery	+2 d