Gateway Family Dental Blog

What Is the Link between Alzheimer’s and Oral Health?

What Is the Link between Alzheimer’s and Oral Health?

As we age, it's important to pay attention to our overall health and well-being. One area that is often overlooked is oral health. While you can’t see or taste them, hundreds of bacteria dwell in your teeth, tongue, and gums. While most of them are harmless, some others can cause tooth decay and gum disease. 


Luckily, good oral care practices and a healthy diet can help prevent the growth of harmful bacteria. However, researchers have also discovered more serious correlations between oral health and brain disorders. One of the latest links that researchers have followed is the connection between bacteria causing gum disease and the development of Alzheimer's.


Let’s take a closer look to further explore the connection between these two conditions and the steps you can take to maintain good oral hygiene.


Common Threats to Dental Health

Did you know that our oral health is closely connected to our overall health? As we explained before, the mouth is home to dozens of bacteria, and when these organisms are not properly controlled, they can cause infection and inflammation. This inflammation can spread from the mouth to other parts of the body, leading to systemic health issues.


Bacteria feed on sugars present in the food and beverages you consume. If you don’t properly brush and floss your teeth, these organisms will thrive by consuming any food remaining inside your mouth, leaving behind waste products or plaque. Additionally, sugar-attracted bacteria produce acid, which can cause tooth surface decay and contribute to the formation of plaque.


Two of the most common harmful bacteria are: 


  • Streptococcus mutants: This bacterium produces enamel-eroding acids and is the main driver of tooth decay.
  • Porphyromonas gingivalis: This anaerobic organism is deemed a contributor to periodontitis and gingivitis( gum disease).


The Role of Oral Bacteria in Alzheimer's

Recent scientific studies have revealed an intriguing and potential link between gingivitis and Alzheimer's disease. While gum disease has been previously associated with an increased risk of heart disease, studies have pointed to this new correlation.


At the center of this connection lies precisely the aforementioned
porphyromonas gingivalis bacterium. This organism produces harmful toxins that have been implicated in the formation of beta-amyloid plaques, a defining characteristic of Alzheimer's disease.


Scientists discovered that Porphyromonas gingivalis can migrate from the mouth to the brain, unleashing enzymes called gingipains that destroy nerve cells. This nerve cell destruction can lead to memory loss, eventually progressing to Alzheimer's.


Periodontal Disease and Alzheimer's

One specific oral health condition that has been linked to Alzheimer's is periodontal disease. Periodontal disease is a chronic inflammatory condition that affects the tissues supporting the teeth. It occurs when the gums become infected due to the buildup of plaque and tartar. The bacteria associated with periodontal disease can easily enter the bloodstream and travel to the brain, increasing the risk of cognitive decline.


Maintaining Good Oral Health

While more research is needed to fully understand the link between oral bacteria and Alzheimer's disease, the current findings highlight the importance of maintaining good oral hygiene habits to curb the risk of developing periodontal disease and, potentially, Alzheimer's. Here are some tips to keep in mind:


Brush Your Teeth Twice a Day

Brushing your teeth at least twice a day is the foundation of good oral hygiene. Use a soft-bristled toothbrush and fluoride toothpaste to clean all surfaces of your teeth. Be sure to brush gently and spend at least two minutes on each brushing session.


Floss Daily

Flossing is equally important as brushing and shouldn't be overlooked. It helps remove plaque and food particles from between your teeth and along the gumline, where a toothbrush can't reach. Take your time to floss properly and use a gentle, back-and-forth motion.


Use Mouthwash

Consider incorporating mouthwash into your oral care routine to reduce the number of bacteria in your mouth, promoting healthier gums and fresher breath. Look for a mouthwash with the American Dental Association's (ADA) seal of approval.


Visit Your Dentist Regularly

Regular dental check-ups are essential for maintaining good oral health. Your dentist can spot any early signs of dental problems and provide timely treatment. Aim to visit your dentist at least twice a year for professional cleanings and comprehensive oral examinations.


Follow a Balanced Diet

A nutritious diet positively impacts your oral health. Limit your consumption of sugary and acidic foods and beverages that can contribute to tooth decay. Instead, consider a balanced diet rich in fruits, vegetables, lean proteins, and whole grains. Drinking plenty of water also helps wash away bacteria and protect your teeth.


Take Care of Your Toothbrush

To ensure effective cleaning, replace your toothbrush every three to four months, or sooner if the bristles become frayed. Rinse your toothbrush thoroughly after each use and let it air dry. Avoid covering toothbrushes or storing them in closed containers, as this can harbor bacteria.


Early intervention and managing oral health concerns can make a significant difference in overall health outcomes. If you have any concerns or questions about your oral health, consult a trusted dental provider like
Gateway Family Dentistry. We’re one of the highest-rated dental practices in the Murfreesboro area. Contact us today to schedule an appointment and keep your smile healthy and happy.

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