Tongue cancer is one of the most common malignancies of the oral cavity and represents a significant global health concern. Early detection remains a decisive factor for patient survival and quality of life.
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✅ Etiology and Risk Factors
Tongue cancer is predominantly classified as oral squamous cell carcinoma (OSCC). Its development is multifactorial and strongly associated with:
▪️ Tobacco use (smoked and smokeless)
▪️ Excessive alcohol consumption
▪️ Human papillomavirus (HPV), especially HPV-16
▪️ Chronic mechanical irritation
▪️ Poor oral hygiene
▪️ Immunosuppression
▪️ Nutritional deficiencies (iron, folate, vitamin B12)
The synergistic effect of tobacco and alcohol significantly increases carcinogenic risk.
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Early recognition is essential for improving prognosis. Warning signs of tongue cancer include:
▪️ Persistent ulceration lasting more than two weeks
▪️ Indurated or non-healing lesions
▪️ Red (erythroplakia) or white (leukoplakia) patches
▪️ Pain or burning sensation
▪️ Difficulty chewing, swallowing, or speaking
▪️ Unexplained bleeding
▪️ Palpable cervical lymphadenopathy
Lesions often appear on the lateral borders and ventral surface of the tongue, areas that require meticulous clinical examination.
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Oral self-examination is a simple and cost-effective strategy that empowers patients to identify suspicious changes at an early stage. Patients should be instructed to:
▪️ Inspect the tongue under good lighting
▪️ Palpate both lateral borders
▪️ Observe color changes, ulcers, or masses
▪️ Seek professional evaluation if abnormalities persist beyond 14 days
Self-examination complements professional screening but does not replace routine dental examinations.
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Before initiating oncologic treatment, dental management aims to minimize complications:
▪️ Comprehensive oral examination
▪️ Elimination of active infections
▪️ Extraction of non-restorable teeth
▪️ Oral hygiene instruction
▪️ Fluoride therapy to reduce post-treatment caries risk
Pre-treatment dental care is essential in patients scheduled for surgery, radiotherapy, or chemotherapy.
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Post-treatment complications may significantly affect oral function and quality of life. Dental professionals should monitor and manage:
▪️ Xerostomia
▪️ Mucositis
▪️ Dysgeusia
▪️ Trismus
▪️ Osteoradionecrosis
Long-term follow-up includes regular oral examinations, salivary substitutes, topical fluoride use, and reinforcement of oral hygiene practices.
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Primary prevention focuses on reducing exposure to known risk factors:
▪️ Smoking cessation and alcohol moderation
▪️ HPV vaccination
▪️ Nutritional counseling
▪️ Regular dental check-ups
▪️ Public education on early signs of oral cancer
Secondary prevention emphasizes early diagnosis through routine screening and self-examination.
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Despite advances in oncologic therapies, tongue cancer continues to present diagnostic challenges due to late patient presentation. Dentists are strategically positioned to detect early lesions and initiate timely referral. Integrating patient education, preventive counseling, and systematic oral examination significantly improves outcomes.
🎯 Recommendations
▪️ Perform systematic tongue examination during every dental visit
▪️ Educate patients on oral self-examination techniques
▪️ Refer suspicious lesions promptly for biopsy
▪️ Collaborate with oncologists in pre- and post-treatment dental care
▪️ Promote preventive public health strategies
✍️ Conclusion
Tongue cancer remains a potentially life-threatening condition, yet it is highly curable when detected early. Dentists play a fundamental role in prevention, early diagnosis, and long-term oral management. Emphasizing self-examination, risk factor control, and regular dental screening is essential to reducing morbidity and mortality associated with this disease.
📚 References
✔ Warnakulasuriya, S. (2020). Oral potentially malignant disorders: A comprehensive review. Oral Oncology, 102, 104550. https://doi.org/10.1016/j.oraloncology.2019.104550
✔ World Health Organization. (2023). WHO classification of head and neck tumours (5th ed.). IARC Press.
✔ National Comprehensive Cancer Network. (2024). NCCN Clinical Practice Guidelines in Oncology: Head and Neck Cancers. NCCN.
✔ Rivera, C. (2015). Essentials of oral cancer. International Journal of Clinical and Experimental Pathology, 8(9), 11884–11894.
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