BENGALURU: Oral health is often viewed as separate from overall healthcare, but leading prosthodontist and oral implantologist Dr. Sharon Dias Colaco believes this perception needs to change. Drawing on 36 years of clinical experience, she highlights how routine dental examinations can reveal early signs of serious systemic conditions, including heart disease, diabetes, kidney disorders, osteoporosis, and even cancer.
According to Dr. Colaco, Founder of Lifetime Dental and Consultant at Manipal Hospitals, the mouth serves as a valuable indicator of overall health.
“The mouth is a mirror. What it reflects can tell us far more about the health of the entire body than most people realize,” she says.
The Gum–Heart Connection
Scientific research increasingly demonstrates the connection between oral health and cardiovascular disease. Periodontitis, a severe form of gum disease, causes chronic inflammation that allows harmful bacteria to enter the bloodstream. These bacteria can contribute to the formation of arterial plaque, increasing the risk of heart attacks and strokes.
Studies published in leading cardiovascular journals have identified oral bacteria such as Porphyromonas gingivalis within coronary artery plaques. Individuals suffering from moderate to severe gum disease have been found to face a significantly higher risk of developing coronary artery disease compared to those with healthy gums.
Diabetes and Oral Health: A Two-Way Relationship
The relationship between diabetes and oral health is particularly relevant in India, which is home to one of the world’s largest diabetic populations.
Elevated blood sugar levels increase susceptibility to gum disease, while untreated gum infections can worsen insulin resistance and make blood glucose management more difficult. Dr. Colaco notes that many diabetic patients experience measurable improvements in glycemic control after receiving treatment for periodontal disease.
“Treating gum disease often helps make diabetes easier to manage. This is not just theory—it is something we see repeatedly in clinical practice,” she explains.
Oral Examinations Can Reveal More Than Dental Problems
Beyond cavities and gum disease, dentists are often among the first healthcare professionals to identify signs of broader medical conditions.
- Kidney disease may present through persistent dry mouth and ammonia-like breath.
- Osteoporosis can appear as bone loss visible in routine dental X-rays and CBCT scans, enabling early referral for bone-density testing.
- Acid reflux (GERD) frequently leaves characteristic erosion patterns on tooth surfaces, often leading to early diagnosis.
- Oral cancer, a major public health concern in India due to tobacco and areca nut consumption, can be detected through a simple oral screening that takes only a few minutes.
“When oral cancer is detected early, survival rates can exceed 80 percent. Unfortunately, delayed diagnosis dramatically reduces treatment outcomes,” says Dr. Colaco.
A Critical Gap in India’s Healthcare System
Despite mounting evidence linking oral and systemic health, dental care remains largely disconnected from mainstream healthcare planning in India.
Most preventive health check-up packages include cardiac assessments, blood investigations, and vision screening, yet dental examinations are often excluded. Dr. Colaco believes this gap represents a missed opportunity in a country facing rising rates of cardiovascular disease, diabetes, and oral cancer.
“Oral health should not be treated as a luxury or an afterthought. It is an essential component of preventive healthcare,” she emphasizes.
Simple Steps for Better Health
Dr. Colaco recommends visiting a dentist every six months, even in the absence of pain or visible symptoms. She also encourages patients with chronic conditions such as diabetes and heart disease to ensure their dental and medical teams share relevant health information.
Individuals who consume tobacco or areca nut products should undergo oral cancer screening during every dental visit. Early preventive habits, she adds, should be taught from childhood to ensure lifelong oral and overall health.
Looking Beyond Teeth
Reflecting on more than three decades of clinical practice, including full-mouth rehabilitations and complex implant procedures, Dr. Colaco stresses that dentistry extends far beyond the treatment of teeth.
“The mouth does not lie. Often, the information uncovered during a dental examination may be among the most important health insights a patient receives all year,” she concludes.
About Dr. Sharon Dias Colaco
Dr. Sharon Dias Colaco (BDS, MDS) is a Prosthodontist and Oral Implantologist with over 36 years of clinical experience. She is the Founder of Lifetime Dental, Bengaluru, and serves as a Consultant at Manipal Hospitals. A Diplomate of the International Congress of Oral Implantologists (ICOI), Dr. Colaco has successfully performed more than 25,000 dental implant procedures and is recognized for her expertise in restorative and implant dentistry.
Dr. Sharon Dias Colaco
Founder, Lifetime Dental
Marathahalli & Indiranagar, Bengaluru.
