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Oral Ulcers – General Classification

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In this Article, We will start with a basic Comparison between common types of  Oral Ulcers. The comparison will be  in the Etiology  , on the preceding lesion before the ulcers occurs and Recurrence.ulcer

 

But first, we must understand what is an Ulcer.

Definitions

Ulcers: Is the complete loss of epithelium. Always Heals with a scar
Erosion: is a superficial damage leading to partial loss of epithelium. No Scar Formation
In The Comparison and previous image, the difference between an ulcer and erosion is quite easy to understand.

Comparison

By Etiology

EtiologyExamples
Physical or Chemical Acid Burn, Heat Burn, Traumatic , Biting
MicrobialBacterialNecrotizing Ulcerative Gingivitis, TB, Syphilis
FungalHistoplasmosis Blastomycosis
ViralHerpes Simplex, Herpes Zoster, Herpangina, Hand, foot and mouth disease
NeoplasmSquamous Cell Carcinoma
Immunological reactionsAphthous ulcers, Behcet’s syndrome, Pemphigus Vulgaris, Mucous Membrane Pemphigoid, Lupus Erythematosus, Lichen Planus, Epidermolysis Bullosa, Drug Eruption
Blood disordersAnemia, Leukemia, Neutropenia
Gastrointestinal DiseaseCoeliac Disease, Ulcerative Colitis, Crohn’s Diseases
DrugsCytotoxic Drugs
Easy Download Image of Ulcer Etiology

Easy Download Image of Ulcer Etiology


By Precursor Lesion

Primary Ulcers 
Secondary Ulcers
  • Definition: an Ulcer that is preceded by a vesiculobullous lesion.
  • Types: These vesicles may be sub-epithelial or intraepithelial (Acantholytic or Non- acantholytic)

Sub Epithelial

  • Bullous Pemphigoid
  • Mucous Membrane Pemphigoid
  • Erythema Multiforme
  • Bullous Lichen Planus
  • Epidermolysis Bullosa
  • Drug Eruption

Intraepithelial

  • Non – Acantholytic: Death and rupture of groups of epithelial cells.
    • Examples:
      • Herpes Simplex
      • Herpes Zoster
      • Herpangina
      • Hand, foot and mouth disease
  • Acantholytic: Destruction of intercellular attachments.
    • Eamples:
      • Pemphigus Vulgaris
      • Darier’s Disease
Easy Download Image of Ulcer Precursor

Easy Download Image of Ulcer Precursor


By Recurrence  


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About Author

Dr. Mohsen Saeed Ozaibi

A Dentist, Professional Blogger and Owner on OziDent.com. Graduated in 2009 with a Bachelor Degree in Dental Science from Misr International University. A Pioneer in Digital Dental Content Publishing.

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