Aphthous Ulcers (Canker Sores)

No disease-specific severity scores/tools or resources. If you think this is incorrect, let us know!

1. Which of the following is NOT a characteristic of minor aphthous ulcers?

a) Small (<1 cm) 

b) Significant pain

c) Heals within 1-2 weeks

d) No scarring

2. All of the following are red flags for referral EXCEPT

a) Lasts > 14 days 

b) Ulcer causes dysphagia

c) First ulcer > 50 years old 

d) Fever

3. Which of the following are risk factors for aphthous ulcers? 

a) Female

b) Local oral trauma

c) Nutrient deficiency 

d) All of the above 

4. All of the following are OTC topical options for treating RAS EXCEPT

a) Chlorhexidine

b) Hydroxypropyl cellulose

c) Benzocaine

d) Lidocaine 2%

5. Which of the following is true about RAS? 

a) Chewing quickly will help speed the healing process

b) They are generally self-limiting

c) Drug therapy helps expedite healing time 

d) b and c