Do smart electric toothbrushes really brush better?

Smart electric toothbrushes can improve your brushing habits, but they don't automatically clean your teeth better than a regular brush. Features like timers, pressure sensors and app feedback help some people brush longer and more carefully, but the technique still matters most. 

What you will learn in this article: 

• Electric and manual brushes both remove plaque well, but how you brush matters most.  

• U-shaped automatic toothbrushes performed no better than not brushing at all in a clinical trial.  

• App feedback and pressure sensors can improve brushing habits and help you brush longer.  

• Your dentist can tell you which brush style fits your teeth and gums. 

If you’re unsure whether a smart toothbrush is worth it for you, schedule an appointment with an Aspen Dental provider. They can look at your brushing habits, teeth and gums and help you choose a brush that fits your needs. 

What makes a toothbrush "smart"? 

A smart electric toothbrush does more than spin or vibrate. A 2024 review in Clinical, Cosmetic and Investigational Dentistry notes that some powered toothbrushes have timers, pressure sensors, Bluetooth and app support. Connected apps can track brushing and provide real-time feedback or personalized tips.¹ 

What the evidence says about plaque removal 

According to the American Dental Association (ADA), you don't have to choose based on plaque removal alone; both manual and powered brushes get the job done.² Neither is the clear winner for everyone. What matters most is how well you brush, not just which brush you own. 

Some brushes marketed as “smart” look very different from a standard brush. A randomized crossover trial of 22 dental students found that the specific U-shaped brush tested did not remove plaque effectively. The U-shaped brush barely outperformed skipping brushing altogether, while the conventional powered brush and the participants' own usual brushes removed far more plaque.³ 

Shape and motion still matter. A brush with app features but a poor design may still let you down. 

Do pressure sensors and app feedback actually help? 

This is where smart features may earn their cost. The same 2024 review says Bluetooth-connected apps can track brushing and offer personalized guidance, which may help users improve their habits.¹ Real-time feedback shows spots you miss. It also tells you if you’re pressing too hard. 

Pressing too hard can wear down your gums over time. A pressure sensor alerts you right away. That helps you break the habit before damage sets in. 

The ADA explains that a toothbrush earns its Seal of Acceptance only after scientific experts review evidence showing that it is safe, removes plaque and reduces gingivitis.² Look for the Seal when you shop. 

Timers and sensors may also help people build better brushing habits. You may stop brushing too soon without knowing it. A two-minute timer helps fix that. 

When does a dentist's guidance matter most? 

No brush, smart or not, replaces a dental visit. Your dentist can spot buildup in places you miss. They can also see if your brushing style is wearing down your gums. 

If you're not sure which brush suits you, ask at your next visit. Your care team can look at your gums and teeth. They can point you toward a style that fits your needs. 

If you’re choosing between toothbrushes, talk with your dental provider about where you tend to miss plaque or whether you brush too hard. That can help you decide which features may actually be useful for you. 

Do smart electric toothbrushes really brush better? FAQs 

Still have questions about smart electric toothbrushes? These answers cover a few common concerns.  

Is a smart toothbrush worth the extra cost? 

That depends on your habits. Timers and app feedback may help you brush more carefully and for the full two minutes. If you rush or miss spots, those tools may help. If you already brush well, a standard electric brush may do just as much. 

How long should I brush with a smart toothbrush? 

Dentists recommend brushing for two minutes, twice a day. Most smart toothbrushes include a built-in timer to help you hit that mark. 

How do I know if a toothbrush is safe and effective?  

Look for the ADA Seal of Acceptance. The Seal means the ADA reviewed scientific evidence showing that the brush is safe and effective at removing plaque and reducing gingivitis.²  

Can a smart toothbrush replace my dental visits? 

No. A toothbrush cleans the surfaces you can reach. Your dentist checks areas you can't see or feel on your own. Regular visits are still key to a healthy mouth. 

Sources 

¹ National Institutes of Health, PubMed Central, Clinical, Cosmetic and Investigational Dentistry: “Comparison Between Powered and Manual Toothbrushes Effectiveness for Maintaining an Optimal Oral Health Status.” https://pmc.ncbi.nlm.nih.gov/articles/PMC11456731/ 

² American Dental Association: “Toothbrushes.” https://www.ada.org/resources/ada-library/oral-health-topics/toothbrushes 

³ National Institutes of Health, PubMed Central, International Journal of Environmental Research and Public Health: “Efficacy of a U-Shaped Automatic Electric Toothbrush in Dental Plaque Removal: A Cross-Over Randomized Controlled Trial.” https://pmc.ncbi.nlm.nih.gov/articles/PMC7370079/