Oral ulcerative lesions are common findings in dental practice, ranging from benign, self-limiting conditions to manifestations of systemic or malignant disease.
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✅ Introduction
Oral ulcers are characterized by a loss of epithelial integrity exposing underlying connective tissue, often associated with pain and inflammation. Their etiology is multifactorial, including trauma, infections, immune-mediated conditions, and neoplasms. A systematic diagnostic approach is essential for proper treatment planning.
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1. Traumatic Ulcers
Caused by mechanical, thermal, or chemical injury.
▪️ Typically solitary, painful, and well-defined
▪️ Heal within 7–14 days after removal of the irritant
2. Infectious Ulcers
▪️ Viral infections such as Herpes Simplex Virus commonly present as multiple painful ulcers preceded by vesicles.
▪️ Bacterial causes include Syphilis and Tuberculosis, which may manifest as chronic, non-healing ulcers.
▪️ Fungal infections, particularly Candidiasis, can produce erythematous or ulcerated lesions in immunocompromised patients.
3. Immune-Mediated Conditions
▪️ Recurrent Aphthous Stomatitis
▪️ Oral Lichen Planus
▪️ Pemphigus Vulgaris
These conditions often present with recurrent or chronic ulcerations, sometimes requiring biopsy and immunological testing.
4. Systemic Diseases
Oral ulcers may be associated with systemic disorders such as Crohn’s Disease or hematinic deficiencies (iron, vitamin B12, folate).
5. Neoplastic Lesions
Oral Squamous Cell Carcinoma may present as a persistent ulcer with indurated borders. Any ulcer lasting more than two weeks must be considered suspicious.
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Accurate diagnosis relies on:
▪️ Detailed clinical history (onset, duration, recurrence)
▪️ Clinical examination (location, size, borders)
▪️ Adjunct tests: biopsy, blood tests, microbiological studies
Red flags include:
▪️ Ulcers persisting >2 weeks
▪️ Induration or fixation
▪️ Unexplained bleeding
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Treatment depends on etiology:
▪️ Traumatic ulcers: removal of irritants and symptomatic care
▪️ Infectious lesions: antiviral, antibacterial, or antifungal therapy
▪️ Immune-mediated lesions: corticosteroids or immunomodulators
▪️ Neoplastic lesions: early referral and oncologic management
Pain control and maintenance of oral hygiene are essential in all cases.
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Oral ulcerative lesions represent a diagnostic challenge due to their diverse etiology. While many are benign and self-limiting, others may indicate serious systemic or malignant conditions. Early detection and differential diagnosis are fundamental skills for dental professionals. The integration of clinical findings with patient history significantly improves diagnostic accuracy.
✍️ Conclusion
Oral ulcerative lesions require a systematic and evidence-based approach. Dentists play a key role in early detection, especially in identifying potentially malignant disorders. Prompt diagnosis leads to more effective treatment and better prognosis.
🎯 Recommendations
▪️ Perform routine oral examinations in every patient
▪️ Investigate ulcers persisting more than 14 days
▪️ Address local traumatic factors promptly
▪️ Consider systemic evaluation when lesions are recurrent
▪️ Refer suspicious lesions for biopsy without delay
📚 References
✔ Neville, B. W., Damm, D. D., Allen, C. M., & Chi, A. C. (2016). Oral and maxillofacial pathology (4th ed.). Elsevier.
✔ Porter, S. R., Scully, C., & Pedersen, A. (1998). Recurrent aphthous stomatitis. Critical Reviews in Oral Biology & Medicine, 9(3), 306–321. https://doi.org/10.1177/10454411980090030401
✔ Lodi, G., Porter, S., Scully, C., et al. (2005). Management of recurrent aphthous stomatitis: systematic review. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, 100(3), 279–289. https://doi.org/10.1016/j.tripleo.2004.08.006
✔ Warnakulasuriya, S. (2009). Global epidemiology of oral and oropharyngeal cancer. Oral Oncology, 45(4–5), 309–316. https://doi.org/10.1016/j.oraloncology.2008.06.002
✔ Arduino, P. G., & Porter, S. R. (2008). Herpes simplex virus type 1 infection: overview on relevant clinico-pathological features. Journal of Oral Pathology & Medicine, 37(2), 107–121. https://doi.org/10.1111/j.1600-0714.2007.00586.x
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