All
Articles
Traumatic Ulcer: when a sore in your mouth doesn't heal
Traumatic ulcers are common mouth sores from sharp teeth, dentures or biting. Learn how they're managed and the three-week rule that helps catch oral cancer.
Updated 24 May 2026
Oral Squamous Cell Carcinoma: the mouth cancer your dentist is looking for
Oral squamous cell carcinoma is the most common mouth cancer. Learn the warning signs, risk factors and why a non-healing ulcer should never be ignored.
Updated 24 May 2026
Recurrent Aphthous Stomatitis: when canker sores keep coming back
Recurrent aphthous stomatitis causes painful canker sores in the mouth. Learn the three types, common triggers, and when to investigate for systemic disease.
Updated 24 May 2026
Radiation Mucositis: when head and neck radiotherapy makes the mouth raw
Radiation mucositis is painful ulceration of the mouth during head-and-neck radiotherapy. Learn prevention strategies, symptom relief and long-term oral effects.
Updated 24 May 2026
Mucous Membrane Pemphigoid: when the gums and mouth lining blister and erode
Mucous membrane pemphigoid is an autoimmune blistering disease that scars the gums and eyes. Learn the oral signs, why ophthalmology is involved, and treatment options.
Updated 24 May 2026
Erythema Multiforme: when sudden mouth ulcers and crusted lips appear together
Erythema multiforme produces sudden lip crusting, painful mouth ulcers and target skin lesions. Learn the triggers (herpes, drugs), diagnosis and how it's treated.
Updated 24 May 2026
Deep Fungal Infections of the Mouth
Deep fungal infections produce chronic mouth ulcers that look like oral cancer. Learn the organisms, who's at risk, and the systemic antifungal treatments that work.
Updated 24 May 2026
Oral Manifestations of Crohn's Disease: how the mouth can show what the gut is doing
Crohn's disease causes mouth ulcers, lip swelling and cobblestoning. Learn the oral signs that sometimes appear before bowel symptoms and how the two are linked.
Updated 24 May 2026
Contact Stomatitis and Oral Allergies — Why Your Mouth Reacts to Toothpaste, Gum or Dental Materials
Contact stomatitis is an allergic reaction in the mouth to dental materials, cosmetics or foods. Learn the triggers, how it's diagnosed, and how removing the cause clears it.
Updated 24 May 2026
Bullous Pemphigoid: when tense skin blisters are the main story (and the mouth sometimes joins in)
Bullous pemphigoid is an autoimmune blistering disease of elderly skin that occasionally involves the mouth. Learn how it differs from pemphigus and how it's treated.
Updated 24 May 2026
Oral Tuberculosis: when a chronic mouth ulcer points to a lung infection
Oral tuberculosis is a rare cause of chronic mouth ulcers, usually secondary to lung TB. Learn risk factors, diagnostic steps and the six-month antibiotic regimen.
Updated 24 May 2026
Chemical and Thermal Burns of the Mouth: pizza burns, aspirin burns and other accidents
Oral burns from hot food, aspirin or chemicals usually heal in 7-14 days. Here is how to recognise them and when to seek dental care. Reviewed by Dr Cristian Dunker.
15 May 2026
Drug-Induced Oral Ulceration: when a medication causes mouth sores
Drug-induced oral ulceration happens when a medication triggers mouth sores. Here's how it looks, the common culprits, and when to see a dentist. Reviewed by Dr Cristian Dunker.
14 May 2026
Angular Cheilitis: sore, cracked corners of the mouth — what causes it and how to settle it
Angular cheilitis is the red, cracked sores at the corners of the mouth — here's what causes it and how to settle it. Reviewed by Dr Cristian Dunker.
13 May 2026
Pemphigus Vegetans: the warty, vegetating variant of pemphigus
Pemphigus vegetans is a rare variant of pemphigus vulgaris that produces warty, vegetating plaques in skin folds and at the oral commissures. Reviewed by Dr Cristian Dunker.
10 May 2026
Pemphigus Vulgaris: when the immune system attacks the lining of the mouth
Pemphigus vulgaris is a rare autoimmune disease that often starts in the mouth as ragged, painful ulcers. Reviewed by Dr Cristian Dunker.
10 May 2026