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How many people over 70 have their own teeth? A look at dental health trends

4 min read

While complete tooth loss was once an almost certain part of aging, data from the CDC shows significant improvements in older adults retaining their natural teeth. This progress is a testament to better dental care, but it still leaves many asking: how many people over 70 have their own teeth today?

Quick Summary

Today's seniors are keeping their natural teeth longer than ever before, with data from 2015-2018 showing that roughly 90% of adults aged 70-74 have some of their natural teeth remaining, though the average number of teeth and retention rates vary based on socioeconomic and lifestyle factors.

Key Points

  • Prevalence of Natural Teeth: While edentulism rates decline, approximately 90% of adults aged 70–74 still retain some natural teeth, a figure that drops slightly to over 82% for those 75 and older.

  • Socioeconomic Disparities: Income and education level are major factors influencing tooth retention, with lower socioeconomic groups experiencing significantly higher rates of complete tooth loss.

  • Lifestyle and Health Factors: Smoking, chronic diseases, and access to consistent dental care all play critical roles in determining the number of natural teeth a senior retains.

  • Advantages of Natural Teeth: Keeping natural teeth preserves jawbone density, allows for more efficient chewing, supports better nutrition, and maintains a natural facial appearance and clear speech.

  • Shifting Dental Care: As more seniors keep their natural teeth, dental care priorities are shifting from managing tooth loss to preserving existing teeth and addressing age-related dental issues like tooth wear and dry mouth.

  • Overall Improvement: The long-term trend for senior dental health is positive, with a significant decline in complete tooth loss compared to previous generations, signaling greater oral health awareness and preventative care effectiveness.

In This Article

The evolving landscape of senior dental health

For generations, the image of aging often included a set of dentures. However, thanks to a lifetime of improved dental hygiene practices and access to care, this is no longer the norm. The trend of retaining natural teeth into older age is a significant public health success story, but it is not a uniform experience across all demographics. Understanding the latest statistics provides a clearer picture of senior oral health today.

Modern statistics on tooth retention in older adults

According to the Centers for Disease Control and Prevention (CDC), the prevalence of complete tooth loss, or edentulism, has been declining among older adults. Recent data from the 2015–2018 National Health and Nutrition Examination Survey (NHANES) sheds light on the situation for those in their 70s and beyond.

  • 70–74 years old: The prevalence of complete tooth loss is significantly lower for this age group, at approximately 10.6%. This means that nearly 90% of people in this age bracket have some of their natural teeth.
  • 75 years and older: While the rate of edentulism increases with age, it's still far from universal. Among adults 75 and over, the prevalence of complete tooth loss is around 17.8%, meaning more than 82% of this population retains at least some of their natural teeth.

This marks a significant improvement from previous generations, where more than half of adults 65 and older had no natural teeth in 1965.

Factors influencing tooth retention in seniors

While the overall picture is positive, tooth retention isn't a given for all seniors. Several factors contribute to the disparity in oral health outcomes:

  • Socioeconomic status: Higher income and more education are strongly correlated with a higher rate of tooth retention. In 2015–2018, adults aged 65 and over with less than a high school education had a much higher rate of complete tooth loss (31.9%) compared to those with a high school education or greater (9.5%).
  • Race and ethnicity: Significant disparities exist, with non-Hispanic Black older adults having a notably higher prevalence of complete tooth loss than non-Hispanic White or Hispanic adults.
  • Lifestyle factors: Current smoking is another strong risk factor for edentulism. Individuals who have never smoked have much better rates of tooth retention.
  • Access to care: Regular dental checkups and preventive care throughout life are critical for maintaining natural teeth. Many older adults, particularly those in poverty or with less education, face barriers to consistent dental care. Additionally, those who are homebound or in long-term care facilities often experience poorer oral health.

The importance of retaining natural teeth

Keeping your own teeth into older age has far-reaching benefits beyond just avoiding dentures. It's tied to overall health, quality of life, and personal confidence. The jawbone requires stimulation from chewing to maintain its density; without it, bone can resorb, changing the facial structure over time. Natural teeth also provide superior function for chewing, allowing for a more diverse and nutritious diet. Furthermore, clear speech, maintained bite alignment, and a healthy smile all contribute positively to self-esteem and social interactions.

Comparison: Natural teeth vs. dentures

Feature Natural Teeth Dentures
Functionality Optimal chewing and biting efficiency. Chewing efficiency is reduced, potentially limiting food choices and nutritional intake.
Aesthetics Maintains natural facial structure and smile. Can prevent a sunken facial appearance, but may still differ from natural teeth.
Comfort Natural feel and function. Requires a significant adjustment period; can cause irritation or mouth sores.
Maintenance Requires consistent brushing, flossing, and regular dental checkups. Must be removed daily for cleaning to prevent oral infections and irritations.
Longevity Potentially last a lifetime with proper care. Requires periodic adjustment and replacement as the mouth changes over time.
Bone Health Stimulates jawbone, preserving density. Does not stimulate the jawbone, leading to gradual bone loss.

The future of senior dental care

As the number of older adults retaining their natural teeth continues to grow, the focus of senior dental care is shifting. Dentists are no longer simply managing tooth loss; they are working to preserve and treat natural teeth that have undergone decades of wear and tear.

Future dental care for seniors will emphasize proactive, preventive strategies to manage common age-related oral health issues such as periodontal disease, tooth wear, and caries. For those with natural teeth, maintaining oral hygiene and addressing issues like dry mouth (xerostomia), which is often caused by medications, will be paramount. Regular, accessible dental care will be more crucial than ever for ensuring a good quality of life as the population continues to age.

For more detailed information on senior oral health trends and statistics, you can visit the CDC's oral health data resources, such as the Oral Health Surveillance Report.

Conclusion

While the majority of people over 70 today have at least some of their natural teeth, the reality is that the quality and number of remaining teeth vary greatly. Factors like education, income, race, and lifestyle play a significant role. With a greater number of older adults keeping their natural smiles, the emphasis in dental care has rightly shifted from managing total tooth loss to preserving natural teeth and ensuring optimal function for a higher quality of life. Consistent oral hygiene and regular dental visits remain the best defense against age-related dental issues.

Frequently Asked Questions

The mean number of permanent teeth decreases with age. For adults aged 65–74, the mean number was 21.7 teeth, while for those 75 or older, it was 19.8 teeth, based on NHANES data from 2011–2016.

Increased tooth retention is a result of improved dental hygiene practices, better access to preventative care, and advanced dental treatments available throughout a person's life.

Seniors face specific challenges, including increased risk of root decay, periodontal (gum) disease, tooth wear, and the effects of dry mouth, which can be a side effect of many medications.

Yes, chronic conditions such as diabetes and heart disease are often linked with a higher risk of oral health issues and can contribute to tooth loss. These connections highlight the importance of considering overall health in dental care.

Yes, it is never too late to adopt healthy habits. Consistent daily oral hygiene, regular dental checkups, and addressing lifestyle factors like smoking are all effective ways to help preserve your remaining natural teeth.

Saving your natural teeth is almost always the healthier and more functional option when possible, as it preserves jawbone health and chewing ability. However, dentures can provide a good solution for those who have already experienced significant tooth loss.

Dry mouth, or xerostomia, reduces the saliva that protects teeth from decay. Saliva helps neutralize acids and wash away food particles. Many medications common among seniors can cause dry mouth, increasing the risk of cavities and gum disease.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice. Always consult a qualified healthcare provider regarding personal health decisions.