Markham Dental Smiles
4630 Hwy 7 #2 Unionville ON L3R 1M5 (905) 477-6453
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Unionville, ON
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How Cannabis Smoking Affects Teeth & Gums

Cannabis use has become increasingly normalized, with many people smoking marijuana recreationally or medicinally. But have you thought about what smoking marijuana could be doing to your oral health? Just like tobacco, cannabis smoke impacts your teeth and gums in ways that may surprise you.

From dry mouth to gum disease and teeth staining, the consequences of regularly smoking cannabis affect more than your lungs. If you’re lighting up regularly, it’s important to understand how marijuana affects your oral health and take steps to protect your smile.

An infographic highlighting the effects of cannabis on teeth.

Cannabis & Your Health

Cannabis, or marijuana, has traditionally been used through smoking dried buds in joints, pipes, or bongs. More recently, vaping cannabis oils has become a popular alternative. Regardless of the method, inhaling cannabis introduces several chemicals into your mouth and lungs that can affect both your general and oral health. 

Cannabis smoke (like tobacco smoke) contains tar, toxins, and carcinogens. These substances don’t just settle in your body—they also stick to your teeth and gums, affecting oral health over time. Even vaping, which avoids some harmful by-products of combustion, can still cause irritation and introduce substances dangerous for your oral health.

Meanwhile, the rise of edibles has added another layer of complexity for marijuana users. Edibles won’t harm your gums through inhalation, but the sugary products can cause plaque buildup, which invites cavities or infections if left unchecked.

Dry Mouth

If you’ve experienced cottonmouth (aka dry mouth) after smoking cannabis, you’re not alone. Cannabis affects your salivary glands, reducing saliva production

While this might not seem serious, saliva helps wash away food particles, neutralize acids, remineralize tooth enamel, and prevent plaque buildup. Chronic dry mouth can quickly lead to gum irritation, cavities, and bad breath.

Increased Risk of Cavities 

Without enough saliva to protect your teeth, bacteria thrive. These bacteria produce acids that attack tooth enamel, increasing your risk of dental cavities. Add any sugary edibles or munchies into the mix, and you have the perfect environment for tooth decay.

Gum Disease 

Long-term cannabis smokers may see an increased risk of gum disease. Gum disease—or periodontitis—is caused by a buildup of plaque that leads to gum inflammation (gingivitis) and infection. 

With cannabis use, the irritating effects of smoke and reduced saliva flow contribute to a higher likelihood of gum damage, including receding gums, swelling, and bleeding.

Teeth Staining 

Cannabis smokers often notice their teeth discolour over time. This happens because tar and other residues in cannabis smoke stick to your teeth, creating brown or yellow stains. While not harmful, this staining impacts your smile’s bright, natural look.

Vaping vs. Smoking Cannabis 

Many assume vaping is a safer option than smoking. While vaping cannabis may reduce overall exposure to tar, it still introduces heat and chemicals that can lead to dry mouth and gum irritation. Essentially, while vaping may lower some risks, the impact on your teeth and gums is far from neutral.

Smoking Cannabis vs. Smoking Tobacco

You may be wondering, “Is smoking marijuana as bad as tobacco for my oral health?” The short answer is both have unique impacts. 

While cannabis doesn’t contain nicotine—the highly addictive ingredient in cigarettes—both forms of smoking deposit toxins that irritate your gums and encourage plaque buildup.

Close-up of a person's smile as they lift their right upper lip to reveal inflamed gums from smoking

How Long Does It Take for Cannabis to Impact Your Gums?

Damage to your gums doesn’t happen overnight; it builds up over time. Regular cannabis use creates consistent gum irritation and plaque accumulation, which can lead to gum disease. 

Depending on how often you smoke, how well you maintain your oral hygiene, and your unique oral health needs, the effects can start appearing within months to a year.

Can You Reverse Gum Damage from Smoking?

Gum damage can be reversible, but early intervention is essential. The first stage, gingivitis, is reversible with good brushing, flossing, and professional dental cleaning. 

However, more advanced gum disease, like periodontitis, can result in permanent tooth or bone loss if untreated. If you’re concerned about gum damage, consult your dentist for personalized advice.

Tips for Protecting Your Oral Health While Using Cannabis

If you choose to use cannabis, here’s how you can protect your teeth and gums:

  • Stay hydrated: Drink lots of water to combat dry mouth and help flush away bacteria.
  • Brush and floss daily: Maintain a good oral hygiene routine by brushing twice a day and flossing daily to prevent plaque buildup.
  • Use a fluoride toothpaste: Fluoride will help strengthen tooth enamel and fight cavities.
  • Chew sugar-free gum: Sugar-free gum promotes saliva production, which can protect your mouth after smoking.
  • Rinse after smoking: Rinse your mouth with water or a mouthwash to remove stubborn residues.
  • Book regular dental checkups: Regular dental visits can spot early signs of gum disease or cavities, allowing you to address issues before they worsen.

Prioritize Your Oral Health

Cannabis use can have a significant impact on your oral health, but these effects aren’t inevitable. By understanding the risks and taking steps to address them, you can enjoy a healthy smile. 

Cannabis use is increasingly common, and we’re here to provide informed, supportive dental care. If you have questions about its impact on your oral health or need personalized advice, we’re happy to help. Schedule a visit with Markham Dental Smiles today.

Visit Our Location

We would love to meet you at our Unionville office. We’re located on Highway 7, right next to the Shopper’s Drug Mart.

Address

Markham Dental Smiles
4630 Hwy 7 #2
Unionville, ON, L3R 1M5

Contact Number

Phone: (905) 477-6453
Email: [email protected]

Hours

Monday: Closed
Tuesday: 10:00AM - 7:00PM
Wednesday: 10:00AM - 7:00PM
Thursday: 10:00AM - 2:30PM
Friday: 10:00AM - 6:00PM
Saturday: 9:00AM - 5:00PM
Sunday: Closed