1. OMD 411
Oral Diagnosis
Mohamed Fouda
Teaching assistant
Oral medicine and Periodontolgy Department

2. Traumatic Ulcers
• Sharp edge of denture or a
broken tooth  traumatic
ulcer on tongue and/or
buccal mucosa.
• Removal of the cause 
healing within 7-10 days
• If not  Biopsy

3. RAU
Minor aphthous ulcer

4. Major aphthous ulcer on the lower lip

5. Major aphthous ulcer, necrotic, on the lower lip

6. Multiple herpetiform ulcers on the tongue

7. Primary Herpetic Stomatitis
Primary herpetic gingivostomatitis: multiple ulcers on the tongue.

8. Primary herpetic gingivostomatitis: erythema and multiple ulcers on the gingiva

9. Herpangina
Herpes zoster

10. Recurrent Herpes Simplex Lesion

11. Erythema Multiforme
Acute •
Inflammatory •
Mucocutaneous disease •
Oral lesions (most prominent or the only one •
(seen

13. Central zone of
erythema
Middle zone of
edema (paler(
Outer ring of
erythema (well
defined(
Erythema multiforme: typical target- or iris-like lesions of the skin.

14. Erythema multiforme: multiple erosions on the lips and tongue

15. Tuberculosis
• Ulcer on tongue (mid dorsum – tip(
• Less common on lips and other parts
• ِAngular, stellate
• Overhanging edges, pale floor
• Painless in its early stages

17. Syphilis
Chancre

18. .Linea alba

19. Fordyce’s Granules
.Fordyce’s granules are ectopic sebaceous glands of the oral mucosa

20. .Nicotinic stomatitis

21. .Aspirin burn

22. Chronic biting of the buccal mucosa

23. Lichen Planus

24. Candida

25. .Denture stomatitis

26. Angular Chelitis

27. Geographic tongue
Characteristically, the lesions
persist for a short time in one area, then disappear completely and
reappear in another area. The condition is usually asymptomatic

28. Hairy tongue
characterized by an asymptomatic elongation of the filiformpapillae of the dorsum of the
tongue, sometimes extending over several millimeters.

29. Pernicious anemia: red and smooth dorsum of the tongue

30. Squamous cell carcinoma presenting as a red mass on the lateral border of
the tongue.

31. Squamous cell carcinoma

32. Normal pigmentation of the gingiva

33. .Smoker’s melanosis of the gingiva

34. Bismuth deposition within the gingival papillae

35. ANUG

36. .Mucocele of the lower lip

37. .Ranula

38. .Torus mandibularis
Torus palatinus

39. Gingival abscess

40. extrinsic stain
Tetracycline stains
fluorosis