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Effects of Marijuana Use on Oral Health

With changing legislation and evolving laws regarding the use of cannabis, more and more people are legally trying marijuana. Cannabis is most commonly inhaled as smoke but is also available in other forms such as topical ointments, edible snacks, and concentrated oils that are used in vape pens. Depending on how you consume marijuana, there could be adverse effects on your oral health if you’re not careful. Here’s what you can expect if you’re a regular marijuana smoker.

Greater Risk of Periodontal Disease

Similar to the effects of tobacco, smoking marijuana has been connected to periodontal disease, gingivitis, and general irritation of the gums. The carcinogens present when smoking marijuana can have a negative effect on the entire body, particularly the gums and teeth. When inhaling smoke, the high temperatures can be especially irritating to the gums, which can lead to swelling, sensitivity, and even bleeding in the gums. The more you smoke and the longer you regularly use marijuana throughout your lifetime, the more at risk you are for periodontal disease.

To help prevent gum disease, dentists recommend a careful and diligent oral hygiene routine that involves brushing the teeth twice per day and flossing once a day. If you are noticing gum sensitivity and irritation, you may want to consider consuming cannabis in a different form other than smoking. Marijuana edibles and ointments, although there may be other health issues to consider with these, won’t irritate the gums the same way as inhaling smoke. If you use marijuana medicinally, be sure to ask your doctor which form may be best for you.

Staining and Discoloration of the Teeth

The smoke from marijuana can also have a staining effect on your teeth if you are not practicing good oral hygiene. Even when brushing and flossing regularly and seeing your dentist for routine teeth cleanings every six months, there is a risk of discoloration. Again, the carcinogens in marijuana smoke can leave stains on the teeth when inhaling regularly. Although tobacco smoke appears to cause a more pronounced discoloration than marijuana, inhaling smoke of any kind will eventually stain the teeth if done repeatedly.

To combat discoloration and staining of the teeth due to smoking marijuana, you should think about whitening treatments to keep your smile looking bright. Of course, there are some things to consider before whitening your teeth, such as dental sensitivity, irritation of the gums, and other issues that may need to be resolved before a professional teeth whitening treatment can be done. You can always ask your dentist if you’re a good candidate for teeth whitening to help with chronic discoloration.

Dry mouth, or xerostomia, is a common side effect of smoking marijuana and is experienced by most cannabis users to some degree. Unfortunately, it can have a very negative impact on your oral health in the long run. Saliva is necessary to balance the PH of your mouth, as well as prevent tooth decay, bad breath, fungal infections in the mouth, inflammation of the tongue, and more. A healthy level of saliva is also needed for chewing and speaking, so you can see why dry mouth is not ideal for your dental health.

Some things you can do to help with the symptoms of dry mouth are staying hydrated, avoiding sugary or acidic food and drinks, limit your caffeine intake, and use a mouthwash specifically designed for dry mouth. It could also help to chew sugar-free gum or hard candies to stimulate the flow of saliva. It’s essential to try to keep your saliva production at a certain level to avoid the harmful effects of dry mouth, particularly bad breath and tooth decay.

Increased Levels of Bacteria and Tooth Decay

For people who have been smoking marijuana for more extended periods of time, it’s not uncommon to see irritated gums start to separate from the teeth. This separation creates a pocket between the gums and teeth where plaque and bacteria can grow. This eventually will result in gum disease, tooth decay, bad breath, and other dental issues if not treated by a dental professional.

Additionally, according to the American Dental Association, some research suggests that smoke from cannabis can have an immunosuppressive effect on the mouth. This can lead to higher levels of bacteria and oral candidiasis colonies in people who regularly smoke marijuana. Again, this puts the patient at risk for tooth decay and cavities. It’s important to speak to your dentist about this risk and how to best prevent bacteria in the mouth from causing tooth decay. Practicing good oral hygiene and regularly visiting your dentist will go a long way with countering this particular issue.

Overall Oral Health Implications of Marijuana Use

To summarize, continued smoking of marijuana paired with poor oral hygiene can be a dangerous combination when it comes to your oral health. Some of the issues patients encounter often include:

  • Periodontal Disease
  • Stained Teeth
  • Dry Mouth
  • Bad Breath
  • Tooth Decay
  • Increased Bacteria in the Mouth

By visiting your dentist regularly for routine dental exams, teeth cleanings, and consultations, patients can stay on top of their oral health and avoid some of these common problems. If you are a regular marijuana smoker, consider discussing preventative tips and available treatments with your dental professional to help keep your teeth strong and healthy. Contact Absolute Dental to schedule an appointment today!

With evolving laws regarding the use of cannabis, more and more people are legally trying marijuana. It can have effects on your oral health if you’re not careful. Here’s what you can expect if you’re a regular marijuana smoker.

Is cannabis ruining your teeth?

In 2016, a major study from Duke University measured the health of 1,000 New Zealanders who’d consumed cannabis for more than 20 years. What researchers found was surprising—especially when it came to the participants’ mouths.

One cannabis study found no effect on blood pressure, cholesterol, or body mass index. But smoking wasn’t good for teeth and gums.

While cannabis seemed to have no adverse effects on physical health indicators like lung function, cholesterol, blood pressure, and body mass index, researchers found that regular cannabis use did have a significant impact on the health of teeth and gums.

“While study participants who had used marijuana to some degree over the last 20 years showed an increase in periodontal disease from age 26 to 38, they did not differ from non-users on any of the other physical health measures,” they reported.

Increased risk of periodontal disease

Researchers were careful to account for confounding factors like tobacco smoking, alcohol abuse, and poor hygiene in their analysis. Still they noticed a significant oral health effect from cannabis, especially an increased risk of periodontal disease.

Taking this study and several others into account, the American Dental Association’s (ADA) official position is that cannabis smoking “is associated with periodontal complications, xerostomia, and leukoplakia as well as increased risk of mouth and neck cancers.” Xerostomia is a chronic dry mouth condition. Leukoplakia is a condition that causes white patches or spots to appear on the inside of the mouth.

As a result, the dental community is ramping up its educational efforts about the impact of cannabis on the mouth and adjusting clinical recommendations for regular cannabis consumers. Meanwhile, the cannabis industry is developing new products that could lessen the adverse effect on oral health.

The ecosystem called your mouth

The human mouth is a complex ecosystem. It’s made up of many interconnected parts, and requires a variety of organic materials to keep it in balance. Saliva, in particular, is one of the most vital components. It’s responsible for a myriad of functions, like breaking down food and maintaining a moist environment. Most importantly to cannabis users, saliva clears and breaks down bacteria and other substances from the teeth and gums, preventing cavities—or worse.

When you smoke cannabis, research shows that saliva production decreases. Most cannabis smokers will recognize this as the familiar sensation of dry mouth.

This happens because THC mimics one of the body’s natural endocannabinoids, anandamide, which binds to the CB1 and CB2 receptors in the submandibular gland in the mouth to decrease saliva production. So when a person consumes THC-rich cannabis, it signals those receptors to decrease the mouth’s saliva production.

Dry mouth isn’t just annoying

Excessive dry mouth is the biggest cannabis-related issue for oral health because it contains antibacterial compounds (in addition to water, mucus, electrolytes, and enzymes). A mouth without saliva creates an ideal environment for bacteria to build up, which can cause cavities and fungal infections. If left for too long, severe infections in the structures around the teeth, also known as periodontal disease, can develop. This can mean tooth and bone loss, and the risk is compounded by the munchies.

“People’s behaviors when smoking cannabis—drinking more sugary drinks, eating junk food and not taking good care of their teeth,” are probably more harmful than the THC itself, said Dr. Jared Helfant DDS, a practicing dentist in Florida and president of Sparx, a California-based cannabis purveyor.

Gums don’t like smoke

Additionally, cannabis use has been linked to gingivitis, inflammation of the oral mucosa, and spots on the gums, though it is unclear whether “associated irritants, such as orally inhaled smoke, rather than cannabis itself, may be contributing causes,” according to the American Dental Association (ADA) .

The act of smoking anything is bad for our teeth, according to the federal Centers for Disease Control. Smoking can stain teeth and further dries out the mouth. Because the science is still new, and because tobacco use and cannabis use are often correlated, it’s hard to know whether cannabis or tobacco in particular is worse for the teeth.

How to light up with less harm

For those who choose to light up, health professionals like Dr. Helfant, and Dr. George Anastassov, MD, DDS have a few tips.

To combat dry mouth, Dr. Helfant’s recommendations resemble what you’d usually hear at the dentist: Stay hydrated, use a heavily fluorinated toothpaste to protect against decay, try a microbial mouth rinse to kill excess bacteria in the mouth, and brush and floss more often.

As long as the consumer stays on top of their oral health, Helfant said he remains optimistic about the health benefits of cannabis. He has even recommended CBD products to help his more anxious dental patients relax during their appointments.

Consider… chewing gum?

Dr. George Anastassov is a cranial facial surgeon, dentist, and physician. He also founded AXIM Biotechnologies, a company known for their cannabis chewing gum. Anastassov agreed with many of Helfant’s points, but was more adamant about advising cannabis consumers to quit smoking.

“Any smoke-able substance stains the teeth, unless it’s totally transparent. But I don’t think that’s the main problem with cannabis—the main problem is the effect on the upper airway and lungs,” Anastassov said. What to do instead? “Quit smoking and chew our gum.”

Well, okay, no surprise there—Anastassov is the founder of a cannabis chewing gum company. But he does have a point. Chewing gum has been shown to be beneficial to the mouth. Not only does the act of chewing promote good oral health, but it also stimulates the saliva glands, cleaning the teeth and staving off dry mouth. What’s more, certain cannabinoids can actually be beneficial to the oral cavity, Anastassov said.

Antimicrobial cannabinoids

“It’s known that the oral cavity is the dirtiest place in the human body,” he said. “But certain cannabinoids—in particular CBG and CBD—are actually quite good antimicrobial compounds.” CBG halogenated with fluoride, he said, has been shown to be “extremely active in disrupting the life cycles of certain bacteria—most importantly, MRSA.”

MRSA is an antibiotic-resistant strain of staph bacteria. These common bacteria are generally harmless unless they enter the body through a cut or wound—which is why MRSA tends to both flourish and infect at-risk patients in hospitals.

Talk to your dentist, seriously

Most importantly, experts encourage cannabis smokers to talk with their dentists about their use. Helfant acknowledges that some patients may be wary of divulging use for fear of being judged, and some dentists may be unwilling to have the conversation for fear of legal ramifications.

“I’m 36 years old and in the [cannabis] industry, so I’m probably more comfortable talking about it and more knowledgeable,” he said. “Younger dentists in general might be more comfortable than say, a 75-year-old dentist would be,” because the older practitioner grew up with a heavier degree of stigma around cannabis.

Full disclosure helps

Dentists and the ADA were clear about one point: If you arrive at a dental appointment after consuming cannabis, it’s particularly important to disclose that fact. That’s because there are potentials for adverse interactions with numbing and pain medications used during the appointment.

Be honest with your dentist. Cannabis could interfere with the pain medications used during your appointment.

The practitioners working with you, the patient, will also want to be aware in case any negative side effects of cannabis use arise (dry mouth, paranoia). There may also be complications with the legality of informed consent, which any medical practitioner requires.

In the end, it’s not enough to claim that cannabis ruins teeth, or helps them. A variety of factors go into a cannabis user’s oral health. Some have to do with the chemical make-up of cannabis itself, and some are more dependent on lifestyle choices. Additionally, the science around oral health and cannabis is still preliminary—making it hard to come to any clear conclusions.

For now, practicing these expert tips, finding alternatives to smoking, and keeping your dentist in the loop are the best ways to protect those pearly whites while still enjoying the positive effects of cannabis.

A recent study found that cannabis smoking can lead to oral health issues. Here's what the science says, and how to avoid problems.