Oral Medicine Glossary
102 terms total — 24 showing — Last updated 15 Sep 2026
MRONJ MRONJ
Medication-Related Osteonecrosis of the Jaw; a condition of exposed necrotic jawbone persisting for more than eight weeks in a patient taking antiresorptive or antiangiogenic agents.
Parotitis
Inflammation of the parotid salivary gland, which may be infectious (viral or bacterial), autoimmune, or obstructive in...
Pemphigoid
A group of autoimmune subepithelial blistering disorders characterised by autoantibodies targeting basement membrane zon...
Pemphigus Vulgaris
A potentially life-threatening autoimmune vesiculobullous disease causing painful intraepithelial blisters of the oral m...
Peripheral Giant Cell Granuloma
A reactive gingival lesion characterised histologically by multinucleated giant cells within a vascular stroma, presenti...
Pleomorphic Adenoma
The most common benign salivary gland tumour, characterised by diverse epithelial and mesenchymal-like elements within a...
PMD
Abbreviation for Potentially Malignant Disorder; used in oral medicine to denote a group of conditions carrying a recogn...
Potentially Malignant Disorder
A WHO-endorsed term for oral mucosal conditions that carry an increased risk of transforming into oral squamous cell car...
Proliferative Verrucous Leukoplakia
An aggressive, multifocal form of oral leukoplakia with a high rate of malignant transformation, characterised by progre...
Pyogenic Granuloma
A benign, reactive vascular proliferation of the oral soft tissues presenting as a rapidly growing, bright red, haemorrh...
Ranula
A mucocele arising specifically from the sublingual salivary gland, presenting as a bluish, fluctuant swelling in the fl...
Recurrent Aphthous Stomatitis
A chronic condition characterised by repeated episodes of one or more painful aphthous ulcers on the oral mucosa.
Salivary Gland Hypofunction
A measurable reduction in salivary output from one or more salivary glands, which may or may not be symptomatic as xeros...
Sialadenitis
Inflammation of one or more salivary glands, which may be acute or chronic, and of infectious, obstructive, or autoimmun...
Sialendoscopy
A minimally invasive endoscopic technique used to visualise, diagnose, and treat obstructive and inflammatory conditions...
Sialography
A radiographic investigation in which contrast medium is injected into a salivary gland duct to delineate ductal anatomy...
Sialolithiasis
The formation of calcified stones (sialoliths) within a salivary gland or its ductal system, most commonly affecting the...
Sialometry
The clinical measurement of salivary flow rate, used to objectively assess salivary gland function.
Sialorrhoea
Excessive production or perceived pooling of saliva in the oral cavity, also referred to as hypersalivation or ptyalism.
Sialosis
A non-inflammatory, non-neoplastic bilateral enlargement of the salivary glands, most commonly the parotids, associated...
Stomatitis
A general term for inflammation of the oral mucosa, used in oral medicine to describe a broad range of conditions affect...
Sublingual Keratosis
A white keratotic lesion arising on the floor of the mouth or ventral tongue, considered a particularly high-risk potent...
Submandibular Space Infection
A deep space infection of the floor of the mouth and submandibular region, most commonly of odontogenic origin, with the...
Toluidine Blue Staining
A vital dye technique applied to oral mucosal lesions to highlight areas of increased nuclear density, aiding in the ide...
Torus Mandibularis
A benign bony exostosis occurring on the lingual aspect of the mandible, typically bilateral and located in the premolar...