Table 2

Differential diagnosis of burning mouth syndrome10 15–18

SystemicLocal
Diabetes
Hypothyroidism
Anaemia
Cerebrovascular disease
Multiple sclerosis
Autoimmune disorders (eg, Sjögren's syndrome)
Medication (eg, angiotensin- converting enzyme inhibitors)
Nutritional deficiency (vitamin B, iron and zinc)
Non-metastatic lung cancer
Metastatic malignancies
Gastro-oesophageal reflux disease
Oral lichen planus
Migratory glossitis (geographic tongue)
Dental and periodontal diseases
Temporomandibular disorders
Diseases of the salivary glands
Sinusitis
Postherpetic neuralgia
Trigeminal neuralgia
Allergy to food or dental materials
Poorly fitted oral prosthesis/dentures
Overusing mouthwashes
Overbrushing tongue