Aaarg, these little ulcers that eat away at our lives (well, literally, they eat away at our mucous membranes ^^')! Here's the video that explains what they are, where they come from, and how they're treated!
Video and editing: Dr. M
Informative content / Script: Dr. Damien Offner / Dr. M
Some useful sources:
Pathophysiology, diagnosis, and treatment of minor oral canker sores (Thesis - 2014 - Dr. P. Obstetrician)
Image not mine:
https://fr-fr.pierrefabre-oralcare.co...