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Ranula: A soft bluish swelling in the floor of the mouth
A ranula is a soft, often bluish swelling in the floor of the mouth from the sublingual salivary gland. Learn how it is diagnosed and treated. Reviewed by Dr Cristian Dunker.
Updated 24 May 2026
Drug-Induced Gingival Overgrowth
Some blood pressure, transplant and anti-epileptic medications cause the gums to enlarge. Here's how to recognise the change and manage it without stopping treatment.
Updated 24 May 2026
Nicotinic Stomatitis (Smoker's Palate)
Nicotinic stomatitis is the smoker's palate pattern, white with red dots from inflamed salivary openings. Here's how quitting reverses it and when biopsy is needed.
Updated 23 May 2026
Morsicatio Buccarum (Cheek Chewing)
Morsicatio buccarum is a harmless white shredded patch on the cheek caused by chronic biting. Here's how to recognise the pattern and break the habit.
Updated 23 May 2026
Linea Alba
Linea alba is a harmless white line on the cheek at the bite-line level. Here's why it forms and how it differs from leukoplakia or frictional keratosis.
Updated 23 May 2026
Lichenoid Drug Reactions
Lichenoid drug reactions look like lichen planus but are triggered by medications or contact materials. Here's how to identify the trigger and clear the lesion.
Updated 23 May 2026
Oral Lichen Planus: lacy white patches and red patches that won't go away
Oral lichen planus is a chronic immune-mediated mouth condition with lacy white or red eroded patches. Here's how it's diagnosed, treated and monitored long-term.
Updated 23 May 2026
Oral Leukoplakia: A persistent white patch that needs assessment
Leukoplakia is a persistent white oral patch with a recognised cancer-change risk. Here's how to recognise it and why biopsy and follow-up matter.
Updated 23 May 2026