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The Impact of Smoking on Oral Health

Updated: Dec 5, 2023

The Impact of Smoking on Oral Health

Tobacco smoking is an addiction that has been associated with a number of health problems. Oral health is no exception. In this blog post, we will explore the various ways in which smoking affects our oral health. We will also provide tips for maintaining a healthy mouth and a healthy body.


One of the most widely known effects of cigarette smoking is cancer. We speak a lot about lung cancer , but what about oral cancer? The inner lining of the mouth (mucosa), if exposed to tobacco and its products, in a susceptible individual, can develop tumours which may be benign or malignant. Malignant cancers such as oral squamous cell carcinomas (OSCCs) could be life threatening. Regular check ups are essential for early detection of these lesions.



In addition to oral cancer, tobacco smoke is one of the major risk factors for gum disease, also known as periodontal disease. Nicotine in tobacco smoke causes constriction of blood vessels and reduces blood supply to the bone and gums surrounding teeth. The resulting inflammation causes bone loss around teeth. The teeth loosen followed by eventual loss. Halitosis (bad breath) and yellow stains are the main complaints of smokers. Optimum oral hygiene with regular professional cleaning, day to day maintenance with toothbrushing and flossing and smoking cessation are key to preserving your dentition.


Heavy smokers often demand tooth whitening as a cosmetic improvement to their yellow teeth. Discoloration due to tar and nicotine is usually extrinsic but these stains over time can get absorbed by teeth and become intrinsic. Teeth whitening helps teeth get whiter as a temporary measure; however, the best method to prevent staining is smoking cessation.

If you are a smoker and want to improve your oral health, here are some tips to consider: 1. Quit smoking: This is the most important step you can take to protect your oral health. Seek support from healthcare professionals, friends, and family to help you quit. 2. Practice good oral hygiene: Brush your teeth at least twice a day, floss daily, and use mouthwash to remove bacteria and plaque. 3. Visit your dentist regularly: Regular dental check-ups are crucial for smokers to monitor their oral health and detect any issues early on. 4. Limit alcohol consumption: Smoking and heavy alcohol consumption together can increase the risk of oral cancer. Moderation is key. 5. Stay hydrated: Smoking can cause dry mouth, which can contribute to tooth decay and bad breath. Drink plenty of water to keep your mouth moist. In conclusion, smoking has a detrimental impact on oral health. From teeth discoloration to gum disease and oral cancer, the risks associated with smoking are significant. Quitting smoking and adopting good oral hygiene practices are essential for maintaining a healthy mouth. Remember, your oral health is an important part of your overall well-being, so take the necessary steps to protect it.

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