Kenchamma, a 62-year-old grandmother from a quiet village near Bengaluru, had always been resilient. When a small, painless white patch appeared on the inside of her left cheek, she dismissed it as a simple 'heat boil' from a sharp tooth.
For weeks, she applied home remedies, but the patch transformed into a persistent, non-healing ulcer. It didn’t hurt, so she didn't worry—until her routine dental check-up at a local clinic.
Her dentist noticed the lesion immediately. Unlike a common aphthous ulcer, this one had ragged borders and felt firm to the touch. Suspecting more than just trauma, the dentist used a specialised blue-light screening tool.
The tissue, which should have glowed healthy green, turned a suspicious, dark void. A subsequent biopsy confirmed early-stage squamous cell carcinoma. Because her dentist looked beyond the teeth and into the 'silent' areas of the mouth, Kenchamma underwent a minor surgical excision rather than a life-altering radical surgery. Today, she is cancer-free, a testament to the fact that in the fight against oral cancer, the dentist is the first line of defense.
The landscape of oral cancer in 2026
Oral cancer remains one of the most significant health challenges in India, accounting for nearly 30 per cent of all cancer cases in the country. As we move through 2026, the focus in dentistry has shifted from mere 'drilling and filling' to comprehensive mucosal screening and preventive oncology.
Etiology: More than just tobacco
While Kenchamma’s case was linked to chronic irritation from a sharp crown, the primary drivers remain:
- Tobacco and areca nut: The synergy of smoking and chewing betel quid increases risk exponentially
- Alcohol: Acts as a solvent, allowing carcinogens to penetrate the oral mucosa more easily
- HPV (Human Papillomavirus): Specifically strains 16 and 18, which are increasingly responsible for oropharyngeal cancers in younger, non-smoking populations
- Environmental factors: Chronic exposure to UV radiation (lip cancer) and dietary deficiencies in antioxidants
Symptoms: The 'two-week rule'
The hallmark of oral cancer is its deceptive nature—it is often painless in the early stages. Dentists educate patients to watch for:
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- Non-healing ulcers: Any sore that persists beyond 14 days.
- Erythroplakia and leukoplakia: Persistent red or white patches that cannot be scraped off
- Induration: A thickening or 'hardness' in the cheek or tongue
- Mobility: Unexplained loosening of teeth without periodontal disease
New horizons in diagnostics: VELscope and AI
The greatest hurdle in oral oncology has always been that early dysplastic changes are often invisible to the naked eye under standard white light
VELscope (Visually Enhanced Lesion Scope) has revolutionised chairside screening. By emitting a specific wavelength of blue light, it triggers tissue autofluorescence. Healthy cells glow green due to their collagen and metabolic markers.
However, cancerous or precancerous cells lose this fluorescence, appearing as dark spots. This allows clinicians to 'see' the invisible boundaries of a lesion, ensuring that biopsies are more accurate and surgical margins are cleaner.
Furthermore, 2026 has introduced AI-integrated intraoral cameras. These devices use machine learning algorithms to compare mucosal images against databases of thousands of confirmed cases, providing a 'probability score' for malignancy in real-time.
Treatment and the path of prevention
Modern treatment is a triad of surgery, radiation, and immunotherapy. While surgery remains the gold standard, we now utilise microvascular reconstruction to restore a patient’s ability to speak and eat naturally.
However, the 'best' treatment is prevention. Through routine screenings, HPV vaccinations, and the use of advanced diagnostics like VELscope, the dental community is moving toward a future where cases like Kenchamma’s aren't stories of survival against the odds, but stories of routine, life-saving care.
The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK.