A 60 year-old male came in for consult the other day because of recurrent mouth sores for 3 months. The condition apparently started 3 months prior after eating a spicy dish. 3-5 burning small sores suddenly appeared on the buccal mucosa and gums. These spontaneously resolved after 5 days thus no consultation was sought. Since then on, he claims that sores appear recurrently in his mouth whenever he eats spicy dishes, even "dinuguan", even after toothbrushing using toothpaste. These sores would spontaneously resolve after 3-5 days. He has no other systemic illness except for a muscle dystrophic disease. He is taking no medicines. Here is what I read about this particular condition. If you've ever had those open, shallow sores in your mouth and taken a gulp of orange juice — ouch! — you know what a pain canker sores can be. You're not alone, either. About one in five people get recurrent canker sores. So what can you do about them? Read on to find out. Canke...