Unlocking the Power of Saliva: A Natural Protector Against Dry Mouth
Xerostomia, or dry mouth, is a surprisingly common condition affecting nearly 60% of adults to varying degrees. As a dental professional, I see firsthand how this seemingly simple issue can ignite a cascade of oral health challenges. Dry mouth isn't just an inconvenience—it’s a significant disruptor in the disease process.
One of the biggest culprits behind reduced salivary flow is prescription medication. It’s staggering to consider: nearly every medication on the market lists dry mouth as a side effect. Now, imagine the compounding effect for those on multiple prescriptions.
In my practice, I often work with elderly patients who come in with a lengthy list of medications. During assessments, the signs are unmistakable—tissues that appear flaccid and dry, accompanied by heavy deposits of soft plaque around the teeth. Beneath that plaque, the gums are red, inflamed, and irritated—a clear indication of the battle their oral environment is fighting daily.
But here’s the inspiring part: saliva, nature’s own oral defender, holds incredible restorative power. Composed of a complex blend of electrolytes, proteins, enzymes, and immunoglobulins, saliva is the body’s natural shield, uniquely designed to protect and repair.
The Marvels of Saliva in Action
Let’s break down the science behind this miraculous fluid:
pH Balance & Buffering: Bicarbonates, phosphates, and urea help maintain a balanced pH, reducing the acidic environment where harmful bacteria thrive.
Cleansing & Defense: Macromolecule proteins and mucins act like microscopic cleaning crews, aggregating harmful microorganisms while supporting healthy plaque metabolism.
Strengthening Teeth: Calcium, phosphate, and proteins work as a team to combat demineralization, promoting the remineralization of enamel.
Antibacterial Power: Immunoglobulins, proteins, and enzymes provide a dynamic defense against harmful bacteria, keeping infections at bay. (1)
Saliva also aids in cleansing the palate and debris that get caught while eating. Without saliva, it’s nearly impossible to swallow or talk. Xerostomia also sets up the mouth for a higher risk for decay. In this photo, root surfaces, which are not covered by enamel and along the gumline have developed cavities.
Saliva isn’t just a passive bystander—it’s an active participant in maintaining oral health, warding off disease, and promoting healing. When its production is compromised, as in cases of xerostomia, the entire oral ecosystem is thrown off balance.
Solutions for Dry Mouth Relief
While nothing truly compares to our body’s natural saliva, there are over-the-counter products that can provide relief. Many products claim to alleviate dry mouth symptoms but often fall short. After years of experience and patient feedback, here are my top recommendations:
This spray has received glowing reviews from my patients. It contains aloe vera, which is both soothing and moisturizing, and xylitol, which encourages natural saliva production. With two sizes included in the package, I suggest keeping the larger one at home and carrying the smaller size in a purse for on-the-go relief.
These small discs dissolve slowly when placed above the upper molars before bedtime. They help maintain moisture throughout the night while xylitol discourages bacterial growth.
For more severe cases of xerostomia, this saline solution with xylitol can help lubricate the back of the throat. As a bonus, research has shown this nasal spray to be effective against viruses, bacteria, and fungi.
Tips and Natural Remedies
Interestingly, some common practices for addressing dry mouth may not be as effective as they seem. For instance:
Water: While hydration is vital, drinking plain water—especially hot or hard water—can actually dry out tissues.
Caffeinated Beverages: Coffee and tea are often dehydrating and should be consumed sparingly.
Mouth Rinses: Many commercial mouthwashes can disrupt the delicate balance of oral microorganisms, potentially worsening dry mouth symptoms.
For those seeking natural ways to soothe dry mouth, here are my favorite herbal remedies and how to use them:
This herb soothes not only the mouth but the entire digestive tract. Best prepared as a cold infusion:
Place 1 tablespoon of organic marshmallow root in a cup of water and let it sit overnight. In the morning, strain the plant material.
Use as a mouth rinse (swish and swallow) or sip throughout the day as needed.
A sweet herb that adds moisture and acts as an antimicrobial. Best prepared as a hot infusion:
Add 2 teaspoons of licorice root to a cup of hot water and let it steep overnight. Strain in the morning.
Use as a rinse or sip throughout the day.
Known for its role in flavoring beverages, this herb is also moisturizing and antimicrobial. Prepare it as you would licorice root.
A deeply soothing herb for dry tissues and a renowned remedy for GERD symptoms. Prepare as a hot infusion, following the same method as licorice root.
Dry mouth doesn’t have to be a chronic struggle. With the right strategies and a touch of nature’s wisdom, relief is within reach. These solutions empower us to support and enhance the body’s natural defenses, fostering comfort and health for the long term.
(1) Humphrey, S. Willamson, R. A Review of Saliva: Normal Composition, Flow, and Function. Journal of Prosthetic Dentistry. Vol. 85:2, February 2001.
