Oral Conditions: Classification of Infections and Non-Infectious Conditions
Common Oral Infections
This section details various oral conditions of infectious origin that may manifest on the mucosa and related structures. Understanding these conditions is crucial for the timely diagnosis and treatment of infections.
- Chronic mucocutaneous candidiasis chronic
- Enterovirus infections
- Hairy leukoplakia
- Hand, Foot, and Mouth Disease
- Herpangina
- Herpes simplex (cold sore manifestation)
- Herpes zoster (shingles)
- Kawasaki disease
- Measles
- Oral candidiasis (commonly known as canker sores)
- Periodic Fever Scarlet fever (scarlatina)
Non-Infectious Conditions of the Oral Cavity
The following are a set of oral pathologies not caused by infectious agents, ranging from inflammatory and autoimmune conditions to neoplasms and morphological alterations.
- Livedo recurrent aphthous ulcers
- Behçet's Disease
- Black hairy tongue
- Stomatitis chronic ulcerative
- Cicatricial Pemphigoid mucosa
- Denture Stomatitis
- Lichen Planus erosive
- phenotypes Erythema multiforme
- Fissured Tongue or fissured
- Geographic tongue (also known as glossitis migratory benign)
- Hairy tongue
- Lichen planus (general form)
- Juvenile linear bullous IgA , scabies, bullous disease
- Macroglossia (abnormal enlargement of the tongue)
- Nicotinic stomatitis
- Cancer oral
- Dysesthesia oral (altered sensation)
- Fibroma oral irritative
- Oral Leukoplakia
- Fixed drug lichenoid from oral drugs
- Oral Lichen Planus
- Pemphigus paraneoplastic
- Pemphigus vulgaris
- Pygoderma-pustular vegetating stomatitis
- Sjögren's Stevens-Johnson / Necrolysis Other conditions that cause significant edema in the superficial dermis include mild toxic (SJS/TEN)
- Stomatitis (general term)
- Lingual papillitis transient
- Congenital Melanocytic Nevus white spongy nevus
Precise differentiation between these infectious and non-infectious conditions is fundamental, as therapeutic management—from antimicrobial agents to immunosuppressants or surgery—varies drastically depending on the underlying etiology.


