Dry Mouth (Xerostomia): Causes and Solutions | Mint Hill Smiles

Dry mouth, clinically called xerostomia, is the condition of not having enough saliva to keep the mouth comfortably moist.

It is more than an annoyance. Saliva plays a critical role in protecting your teeth, so chronic dry mouth raises your risk of cavities and gum problems.

Why Saliva Matters

Saliva does more than keep your mouth comfortable. It washes away food particles, neutralizes the acids produced by bacteria, and delivers minerals that help protect and repair enamel. When saliva is reduced, all of that protection is reduced too, which is why people with chronic dry mouth often develop cavities more quickly.

What Causes Dry Mouth

The most common cause is medication. Hundreds of common medications list dry mouth as a side effect, including those for blood pressure, allergies, anxiety, depression, and many others. Other causes include certain medical conditions, dehydration, mouth breathing, smoking, and aging. For mouth breathers, the constant airflow over the oral tissues dries them out, which is one of the connections between airway issues and oral health.

How Dry Mouth Is Managed

Because dry mouth raises cavity risk, managing it is important. Strategies include staying well hydrated, using saliva-stimulating or saliva-substitute products, avoiding tobacco and limiting caffeine and alcohol, and using prescription-strength fluoride to protect against the higher cavity risk. If a medication is the cause, your physician may be able to adjust it. And if mouth breathing is contributing, addressing the underlying airway issue helps. We also monitor patients with dry mouth more closely for early decay.

Call (704) 323-7577 if dry mouth is a problem for you.

FAQ

FREQUENTLY ASKED QUESTIONS

Why does dry mouth increase cavity risk?

Saliva washes away food, neutralizes acid, and delivers minerals that protect enamel. When saliva is reduced, that natural protection is reduced, so cavities can develop more quickly. This is why managing dry mouth and using extra fluoride protection matters.

What medications cause dry mouth?

Hundreds of common medications list dry mouth as a side effect, including many for blood pressure, allergies, anxiety, and depression. If you take medication and have dry mouth, your physician may be able to help, and we can add extra protection for your teeth.

How can I relieve dry mouth?

Stay well hydrated, use saliva-stimulating or substitute products, limit caffeine, alcohol, and tobacco, and use prescription fluoride to protect against decay. If mouth breathing or a medication is the cause, addressing that helps. We can recommend the right approach for you.

Is dry mouth connected to mouth breathing?

Yes. Breathing through the mouth dries out the oral tissues, contributing to dry mouth. This is one of the reasons addressing chronic mouth breathing, especially in children, benefits oral health.

Ready for some answers?

We serve patients from Mint Hill, Matthews, Indian Trail, Stallings, Weddington, Midland, Albemarle, and southeast Charlotte, NC. We accept most major insurance plans including Delta Dental, Aetna, Cigna, Blue Cross Blue Shield, and United Healthcare. If you do not have insurance, our Brush365 membership plan was built for you.

Call (704) 323-7577 or visit minthillsmiles.dentist to book your first appointment. We are at 11300 Cresthill Drive, Suite 105, Mint Hill, NC 28227.

Come see us. We think you will feel the difference.