Table 1 Examples of oral medicine diagnoses that were recorded during data collection

White patches

Oral lichen planus, oral lichenoid lesion, frictional keratosis, solar/actinic cheilitis, leukoplakia, oral submucous fibrosis

Orofacial pain

Persistent idiopathic facial pain, burning mouth syndrome, other oral dysaesthesia, altered sensation/numbness, trigeminal neuralgia, other neuralgias

Swellings

Fibroepithelial polyp, squamous papilloma, pyogenic granuloma, bony tori, denture hyperplasia, gingival hyperplasia, epulis, orofacial granulomatosis

Salivary gland disease

Mucocoele, ranula, sialoliths, xerostomia, sialadenitis

Ulceration

Recurrent aphthous ulceration, traumatic ulceration, oral Crohn's disease, Behcet's disease, coeliac disease

Red or red and white lesions

Erythroplakia, erythroleukoplakia, desquamative gingivitis, geographic tongue, median rhomboid glossitis, glossitis secondary to haematinic deficiency, nicotinic stomatitis, plasma cell gingivitis

Candida

Acute pseudomembranous candidosis, chronic hyperplastic candidosis, chronic erythematous candidosis, angular cheilitis

Vascular anomalies

Vascular malformations, traumatic blood blister, angina bullosa haemorrhagica

Bullous disease

Pemphigus, pemphigoid, erythema multiforme, linear IgA disease

Pigmented lesions

Melanotic macule, naevus, melanoma, post-inflammatory pigmentation, amalgam tattoo