More adults today are keeping their natural teeth longer, often for life.¹ That is a meaningful shift. It also introduces new challenges that deserve attention and the right kind of support.

Nearly half of adults in the United States have some form of gum disease, and one of the most common signs is a receding gumline that exposes the roots of the teeth.² Everyday habits, including brushing too hard, can contribute to this over time.

For many older adults, exposed roots increase the risk of root caries, or decay on the root surface. In fact, more than half of adults over age 65 have experienced this condition.³

Root caries develop when bacteria in plaque feed on sugars from foods and drinks, producing acid that weakens the tooth. Unlike the enamel on the crown of the tooth, root surfaces are covered by a softer material called cementum. This makes them more vulnerable and allows decay to progress more quickly.

Root decay is not just a dental issue. It can affect how you eat, your comfort, and your overall quality of life.⁴ When left untreated, it can lead to infection, pain, and tooth loss.

Certain life factors can increase risk, including:

• Frequent snacking on sugary or carbohydrate-rich foods
• Dental work such as crowns, bridges, or partial dentures
• Older restorations that may no longer seal properly
• Reduced access to regular dental care⁵
• Reduced salivary flow, due to medical or natural reasons.

Many adults navigating aging and active prevention are managing more than just oral health. These realities matter.

Dry mouth

Medications commonly used for chronic conditions can reduce saliva flow. Some chronic diseases, hormonal changes and medical treatments can also cause dry mouth. Saliva plays a key role in protecting teeth. When it is reduced, the mouth becomes more acidic and more prone to decay.

Dexterity and mobility

Conditions such as arthritis, Parkinson’s disease, stroke, or cognitive decline can make daily oral care more difficult. Even simple routines like brushing and flossing may require adaptation.

These are not minor inconveniences. They are real barriers. Addressing them with the right tools and support can make a meaningful difference.

The goal is not perfection. It is consistency, support, and using the right tools for your needs.

Daily habits that matter

• Brush at least twice a day with a soft-bristled toothbrush
• Clean between teeth using floss, interdental brushes, or an oral irrigator
• Limit frequent snacking on sugary foods and drinks
• Stay consistent with dental visits and preventive care

If traditional brushing is difficult, ask your dental professional about:

• Power toothbrushes
• Adaptive handles or grips
• Oral irrigators
• Specialized toothpastes and rinses

These are not upgrades. For many people, they are essential tools for maintaining independence and health.

The Role of Fluoride in Active Prevention

Fluoride remains one of the most effective ways to protect against root decay.

• Over-the-counter fluoride rinses can support those at lower risk
• High-fluoride toothpastes are recommended for individuals at higher risk to help prevent and slow existing decay⁶
• Professional treatments, including fluoride varnish, provide added protection during dental visits⁸

Another option is silver diamine fluoride (SDF), which can stop active decay.⁸ ⁹ It may darken the treated area, so it is important to discuss whether it aligns with your preferences and goals.

Consistent use is key. These interventions work best when they become part of your daily routine.

Aging well is not about reacting to problems. It is about staying informed, supported, and proactive.

If you are experiencing dry mouth, sensitivity, or changes in your ability to care for your teeth, you are not alone. These are common and manageable with the right guidance.

Talk with your dentist or dental hygienist. Ask questions. Share what is working and what is not. As a community focused on active prevention, the goal is simple:

Stay informed. Stay consistent. Stay connected to care that supports your life today and your health long term.

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2. Eke PI, Thornton-Evans GO, Wei L, Borgnakke WS, Dye BA, Genco RJ. Periodontitis in US adults: National Health and Nutrition Examination Survey 2009–2014. J Am Dent Assoc. 2018;149(7):576–588. https://doi.org/10.1016/j.adaj.2018.04.023
3. Slavkin HC. Maturity and oral health: live longer and better. Journal of the American Dental Association. 2000;131(6):805–808.
4. Gregory D, Hyde S. Root Caries in Older Adults. J Calif Dent Assoc. 2015 Aug;43(8):439-45.
5. Badr F, Sabbah W. Inequalities in Untreated Root Caries and Affordability of Dental Services among Older American Adults. Int J Environ Res Public Health. 2020 Nov 17;17(22):8523. doi: 10.3390/ijerph17228523.
6. León S, Gómez N, Gambetta-Tessini K, Giacaman RA. Dynamics of root caries in older adults using high-fluoride toothpaste. J Dent. 2025 Nov;162:106018. doi: 10.1016/j.jdent.2025.106018.
7. Jiang L, Huang S, Reissmann DR, Schmalz G, Li J. Identification of Risk Group for Root Caries and Analysis of Associated Factors in Older Adults Using Unsupervised Machine Learning Clustering. Clin Interv Aging. 2025 Apr 24;20:483-493. doi: 10.2147/CIA.S520229.
8. Chan AKY, Tamrakar M, Jiang CM, Tsang YC, Leung KCM, Chu CH. Clinical evidence for professionally applied fluoride therapy to prevent and arrest dental caries in older adults: A systematic review. J Dent. 2022 Oct;125:104273. doi: 10.1016/j.jdent.2022.104273.
9. Gold J. Silver Diamine Fluoride May Prevent and Arrest Root Caries in Older Adults. J Evid Based Dent Pract. 2019 Jun;19(2):186-188. doi: 10.1016/j.jebdp.2019.05.009.

Oral Care Center articles are reviewed by an oral health medical professional. This information is for educational purposes only. This content is not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your dentist, physician or other qualified healthcare provider.