Sonic Prime Electric Toothbrush
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scope of delivery
Smart Sonic Toothbrush with Display and
Brushing Zone Indicator
Smart brushing - without an app.
The emmi Sonic Prime is the smart sonic toothbrush for everyone who finally wants to see what's happening during brushing - without having to download an app. State-of-the-art sonic technology, a smart display directly on the handle with a brushing zone indicator and individually adjustable modes & intensities ensure effective yet gentle cleaning - precisely guided, comfortable and quiet.
With up to 30,000 oscillations per minute, the emmi Sonic Prime offers powerful yet controlled cleaning for teeth and gums.
Smart Sonic Toothbrush with Display and
Brushing Zone Indicator
Smart brushing - without an app.
The emmi Sonic Prime is the smart sonic toothbrush for everyone who finally wants to see what's happening during brushing - without having to download an app. State-of-the-art sonic technology, a smart display directly on the handle with a brushing zone indicator and individually adjustable modes & intensities ensure effective yet gentle cleaning - precisely guided, comfortable and quiet.
With up to 30,000 oscillations per minute, the emmi Sonic Prime offers powerful yet controlled cleaning for teeth and gums.
The Smart Display
The visible difference to all other
sonic toothbrushes
Most sonic toothbrushes with smart features force you into an ecosystem: install an app, create an account, pair Bluetooth. The Sonic Prime takes a different approach. Feedback happens directly on the device, on an integrated, high-quality TFT color display that shows you everything you need to know while brushing:
- The active cleaning mode
- The remaining brushing time
- The current brushing zone of your teeth in real time
- The battery level
- The device status
All of this without an additional app on your smartphone, but integrated directly into the toothbrush.
The Smart Display
The visible difference to all other
sonic toothbrushes
Most sonic toothbrushes with smart features force you into an ecosystem: install an app, create an account, pair Bluetooth. The Sonic Prime takes a different approach. Feedback happens directly on the device, on an integrated, high-quality TFT color display that shows you everything you need to know while brushing:
- The active cleaning mode
- The remaining brushing time
- The current brushing zone of your teeth in real time
- The battery level
- The device status
All of this without an additional app on your smartphone, but integrated directly into the toothbrush.
Cleaning Zone Display
Even cleaning without missed spots
A cleaning time of at least four minutes, divided into four zones, is scientifically recommended. The reality is: most people clean thoroughly at the front and negligently at the back. This is precisely where cavities and gum problems then arise.
The Sonic Prime solves this with a visual trick: its display shows you which zone you are currently in while brushing, and changes to the next zone every 30 seconds. The brush guides you through the full four minutes, supporting even, systematic dental care without missed spots.
Cleaning Zone Display
Even cleaning without missed spots
A cleaning time of at least four minutes, divided into four zones, is scientifically recommended. The reality is: most people clean thoroughly at the front and negligently at the back. This is precisely where cavities and gum problems then arise.
The Sonic Prime solves this with a visual trick: its display shows you which zone you are currently in while brushing, and changes to the next zone every 30 seconds. The brush guides you through the full four minutes, supporting even, systematic dental care without missed spots.
Controlled Up/Down Movement
Brushing technique recommended by dentists
While most sonic toothbrushes work with a lateral oscillation, the Sonic Prime relies on a controlled vertical up/down movement. This is the brushing direction that dentists have been recommending for decades: away from the gums towards the tooth surface.
The effect: Plaque is effectively removed, the gums are not irritated, and the bristles work in the medically correct direction.
In addition, a silicone dampener is located in the brush head, which absorbs high-frequency vibrations. The result is a noticeably gentler cleaning that does not feel "scratchy" despite its power.
Controlled Up/Down Movement
Brushing technique recommended by dentists
While most sonic toothbrushes work with a lateral oscillation, the Sonic Prime relies on a controlled vertical up/down movement. This is the brushing direction that dentists have been recommending for decades: away from the gums towards the tooth surface.
The effect: Plaque is effectively removed, the gums are not irritated, and the bristles work in the medically correct direction.
In addition, a silicone dampener is located in the brush head, which absorbs high-frequency vibrations. The result is a noticeably gentler cleaning that does not feel "scratchy" despite its power.
4+1 Modes with DIY Function
9 Intensities to Suit Your Taste
The Sonic Prime offers four cleaning modes and a fifth, individually adjustable DIY mode:
- Clean — daily basic cleaning
- Soft — for sensitive gums
- White — against discoloration
- Polish — smooth, polished finish
- DIY — 9 freely selectable intensities
The DIY mode is why many buyers prefer the Sonic Prime over closed systems: you decide for yourself the intensity of brushing. Thanks to the memory function, the toothbrush automatically starts in the last used mode.
4+1 Modes with DIY Function
9 Intensities to Suit Your Taste
The Sonic Prime offers four cleaning modes and a fifth, individually adjustable DIY mode:
- Clean — daily basic cleaning
- Soft — for sensitive gums
- White — against discoloration
- Polish — smooth, polished finish
- DIY — 9 freely selectable intensities
The DIY mode is why many buyers prefer the Sonic Prime over closed systems: you decide for yourself the intensity of brushing. Thanks to the memory function, the toothbrush automatically starts in the last used mode.
4-Minute Timer
With 30-Second Zone Change
The German Society for Dentistry recommends four minutes of brushing time daily, one in the morning and one in the evening. The emmi Sonic Prime is equipped with a 4-minute timer.
Every 30 seconds, the toothbrush reminds you to change the brushing zone – for even cleaning of all areas.
After the time has elapsed, the brush switches off automatically. Press once, brush for four minutes, done. No more counting, no more "did I get all my teeth?".
4-Minute Timer
With 30-Second Zone Change
The German Society for Dentistry recommends four minutes of brushing time daily, one in the morning and one in the evening. The emmi Sonic Prime is equipped with a 4-minute timer.
Every 30 seconds, the toothbrush reminds you to change the brushing zone – for even cleaning of all areas.
After the time has elapsed, the brush switches off automatically. Press once, brush for four minutes, done. No more counting, no more "did I get all my teeth?".
Quiet, durable & suitable for everyday use
High-quality metal casing and IPX7
- Pleasantly quiet in operation
- IPX7 waterproof – safe in the shower
- High-quality metal casing – durable, robust and elegant
- USB-C rechargeable battery with charging indicator for modern, flexible charging
- 2 travel cases for attachments – hygienic, practical
Quiet, durable & suitable for everyday use
High-quality metal casing and IPX7
- Pleasantly quiet in operation
- IPX7 waterproof – safe in the shower
- High-quality metal casing – durable, robust and elegant
- USB-C rechargeable battery with charging indicator for modern, flexible charging
- 2 travel cases for attachments – hygienic, practical
Why emmi Sonic Prime?
Key features at a glance
- Vibration frequency: up to 30,000 movements/minute
- TFT color display with brushing zone indicator
- 4+1 modes including DIY with 9 intensities
- Memory function
- 4-minute timer with 30-second zone change
- Battery: up to 2 months runtime
- Charging: USB-C, with charging indicator
- Waterproof: IPX7
- Durable metal housing
- Bristles with silicone cushioning on the brush head
- Vertical up/down movement (away from the gums)
- 2 travel cases for attachments
Why emmi Sonic Prime?
Key features at a glance
- Vibration frequency: up to 30,000 movements/minute
- TFT color display with brushing zone indicator
- 4+1 modes including DIY with 9 intensities
- Memory function
- 4-minute timer with 30-second zone change
- Battery: up to 2 months runtime
- Charging: USB-C, with charging indicator
- Waterproof: IPX7
- Durable metal housing
- Bristles with silicone cushioning on the brush head
- Vertical up/down movement (away from the gums)
- 2 travel cases for attachments
Up to 2 months battery life
The battery of the emmi Sonic Prime lasts for brushing twice a day:
- Up to 2 months in the lowest mode
- Up to 1 month in the highest mode
Up to 2 months battery life
The battery of the emmi Sonic Prime lasts for brushing twice a day:
- Up to 2 months in the lowest mode
- Up to 1 month in the highest mode
Who is the emmi Sonic Prime the right choice for?
The Sonic Prime is made for people who appreciate tech and design but don't want to be forced into using an app. For everyone who wants to see what's happening during brushing and prefers to determine their intensity themselves. It's the right choice if you prefer modern design, visible feedback directly on the device, and a DIY mode with nine levels instead of rigid standard settings. Thanks to its controlled up-and-down movement, the Sonic Prime also brushes exactly in the direction dentists recommend: away from the gumline towards the tooth surface. Ideal for anyone who wants to combine modern technology with smart, well-thought-out, and guided dental care.
Try it now for 30 days
Try it now for 30 days
Note:
This model, emmi Sonic Prime, is a sonic toothbrush and cleans through mechanical movement and vibration. Are you looking for cleaning completely without mechanical movement — ideal for sensitive teeth or gums, implants, braces, or periodontitis? Then our patented emmi-dent ultrasonic toothbrushes are the ideal solution for you. We offer both technologies. Which one suits you depends on your needs.
Effectiveness of ultrasound proven by studies
The functionality of our emmi-dent ultrasonic toothbrushes was tested as part of a clinical study by the University of Witten/Herdecke . Prof. Dr.hcP Gängler, Managing Director of the Oral Medicine Institute, assessed the test of our emmi-dent ultrasonic toothbrushes with the following words: "Cleaning teeth using ultrasound and without brushing safely and thoroughly removes plaque and biofilm. Brushing damage to tooth necks, gums and teeth can be prevented thanks to this technology. Toothbrush that is particularly suitable for people with sensitive teeth. The abrasion-free application ensures that gum injuries can be actively avoided. In addition, regular use actively promotes the reduction of gingivitis."
Effectiveness of ultrasound proven by studies
The functionality of our emmi-dent ultrasonic toothbrushes was tested as part of a clinical study by the University of Witten/Herdecke . Prof. Dr.hcP Gängler, Managing Director of the Oral Medicine Institute, assessed the test of our emmi-dent ultrasonic toothbrushes with the following words: "Cleaning teeth using ultrasound and without brushing safely and thoroughly removes plaque and biofilm. Brushing damage to tooth necks, gums and teeth can be prevented thanks to this technology. Toothbrush that is particularly suitable for people with sensitive teeth. The abrasion-free application ensures that gum injuries can be actively avoided. In addition, regular use actively promotes the reduction of gingivitis."
FAQ
The most frequently asked questions at a glance
Does the emmi Sonic Prime require an app to use the display?
Does the emmi Sonic Prime require an app to use the display?
No. The Sonic Prime’s TFT color display works completely autonomously on the brush. There is no app, no Bluetooth pairing, no cloud connection. You switch on the brush and the display immediately shows you the mode, the brushing time, the current brushing zone, and the battery level.
What exactly does the cleaning zone indicator show?
What exactly does the cleaning zone indicator show?
The display divides your teeth into four zones: upper left, upper right, lower left, lower right. Every 30 seconds, the display changes to the next zone, indicating where you should brush next. After four minutes, all zones are covered, and the brush automatically switches off. This ensures that you brush your back molars just as thoroughly as your front incisors.
How does the up/down motion of the Sonic Prime differ from a normal sonic toothbrush?
How does the up/down motion of the Sonic Prime differ from a normal sonic toothbrush?
Most sonic toothbrushes operate with a lateral vibration—the bristles move back and forth. The Sonic Prime, however, moves the bristles in a controlled vertical up-and-down motion, always away from the gums towards the tooth surface. This corresponds to the brushing direction recommended by dentists and protects gums and enamel.
What can the DIY mode do?
What can the DIY mode do?
The DIY mode of the Sonic Prime offers 9 freely selectable intensity levels. You set the intensity that is just right for you once, and the memory function remembers it for all subsequent cleanings.
How do I download Sonic Prime
How do I download Sonic Prime
The Sonic Prime charges directly via a USB-C cable on the handpiece. A full charge takes about two hours
and lasts for up to two months of use in the lowest mode, or about one month in the highest mode.
Who is the emmi-dent ultrasonic toothbrush suitable for?
Who is the emmi-dent ultrasonic toothbrush suitable for?
Our emmi-dent ultrasonic toothbrushes are basically suitable for all people who want to clean their teeth gently and, above all, exclude the risk of "scrubbing away" the tooth enamel. Particularly suitable for people with sensitive gums, gingivitis and periodontitis, braces wearers, implants and bridges. We offer ultrasonic toothbrushes for all ages. Our range includes various brush heads, including an attachment for children and people with small mouths. This makes dental care child's play for the youngest.
Older people and people with motor challenges also benefit from the simple operation of the ultrasonic toothbrush. The emmi-dent Platinum Care is recommended for this. Awarded the EURECERT certificate! The world's first barrier-free certified toothbrush.
The ultrasonic toothbrush also helps with bad breath by reducing bacteria to a healthy level.
We have developed a special brush head for people who wear braces. The ultrasonic vibrations thoroughly clean even the inaccessible areas between teeth and braces. People with dental implants also benefit from the maximum cleaning performance of the innovative ultrasonic technology.
What distinguishes ultrasonic toothbrushes from regular sonic toothbrushes?
What distinguishes ultrasonic toothbrushes from regular sonic toothbrushes?
Electric toothbrushes include rotary toothbrushes, sonic toothbrushes and ultrasonic toothbrushes. While the former usually have round brushes that rotate alternately from left to right, sonic toothbrushes are equipped with elongated, vibrating heads. With 20,000 to 40,000 vibrations per minute, they achieve significantly higher mechanical movements than rotary brushes. Ultrasonic toothbrushes surpass this performance many times over and are
also a completely different technology. While rotary and sonic toothbrushes remove the biofilm with the help of mechanical movements, the emmi-dent works with up to 96 million ultrasonic vibrations per minute and does not require any mechanical movements for tooth cleaning. Motionless tooth cleaning thanks to the latest ultrasonic technology.
The decisive difference lies in the type of tooth cleaning:
Like manual toothbrushes, rotary and sonic toothbrushes also clean the teeth mechanically. This so-called macro cleaning can cause
The toothbrush poses a risk of injuries to the gums and tooth enamel. In addition, ultrasound can minimize inflammation. This is confirmed by our study.
Dental care is limited to the areas of the mouth that the rotary or sonic toothbrush can reach. Unlike conventional electric toothbrushes, the ultrasonic toothbrush works without any pressure by transmitting vibrations. This means that the entire oral cavity is thoroughly cleaned.
emmi Sonic Slim - Premium Sonic Toothbrush with UV Sterilization and 25 Intensity Levels
The emmi Sonic Flex is the premium sonic toothbrush for those who want to leave nothing to chance with their daily dental care. 25 finely graded intensities, a UV sterilization travel case, and a battery life of up to 90 days - developed for people who value hygiene, control, and German engineering. It doesn't just scrub away. It cleans exactly the way that suits you.
25 intensity levels instead of 3 modes - finally find your perfect setting
Most sonic toothbrushes offer you three modes. Maybe five. But the jumps between settings are so great that you either brush too gently or your gums suffer. The Sonic Flex does it differently: it combines 5 cleaning modes, each with 5 intensities. That makes 25 levels from which you can truly choose. Clean — for daily, thorough cleaning. Massage — gently stimulates gums. White — removes surface stains. Gum Care — especially gentle for sensitive gums. Sensitive — ideal for sensitive tooth necks or after a visit to the dentist. Each mode can be finely adjusted across five intensities. If you want to brush more vigorously in the morning than in the evening, you'll find the right setting for both. If you want to gradually increase pressure two weeks after a dental visit, you can do so step by step.
Constant Voltage Motor — Day 1 feels like Day 90
A detail that nobody writes on the packaging, but which everyone who has owned their sonic toothbrush for more than three months will notice: as the battery voltage drops, so does the cleaning performance. With many models in the mid-price segment, you lose up to 30 percent of the oscillation angle when the battery drops below 50 percent - without anyone mentioning it. The Sonic Flex uses a magnetic levitation motor with constant voltage regulation. This means: The 29,760 to 38,400 oscillations per minute remain equally strong - regardless of whether the battery is at 100 or 10 percent. You will clean just as effectively on the 90th day as on the first.
UV sterilization in a travel case — no more bacteria-ridden travel toothbrushes
Anyone who travels a lot knows the problem: after cleaning, a wet brush is placed in a fabric pouch or a simple plastic cap, and there, bacteria multiply many times over within a few hours. The UV-Travel-Case supplied with the Sonic Flex solves the problem. A UVC LED
with a wavelength of 285 nanometers eliminates up to 99.9 percent of bacteria on the brush head. Close the lid, turn on the light, automatic shutdown ten minutes later. The case also serves as a charging station. Charge the case via USB-C, and the brush charges inductively inside the case. One cable for everything. And if you open the case during sterilization, the UV light automatically switches off – preventing skin contact.
Who is the emmi Sonic Flex the right choice for?
The Sonic Flex is made for people who appreciate classic premium quality: thorough cleaning, German bristles, UV hygiene, long battery life, no app, no gimmicks. It's the right choice if you have sensitive gums and are finally looking for a brush that adapts to you instead of the other way around. It's the right choice if you travel a lot and don't want to search for a power outlet in your hotel bathroom. And it's the right choice if you're looking for a brand that has been at home in oral hygiene for over 25 years — with a service team in Germany that answers in German if you have a question.
Ultrasonic toothbrush comparison
Dentists recommend the use of ultrasonic toothbrushes like the emmi-dent ultrasonic toothbrush, as they allow for effective plaque removal while being gentle on teeth and gums. The gentle cleaning method is ideal for preventing gingivitis and periodontitis, as well as for the care of implants and dental crowns.
The emmi-dent electric ultrasonic toothbrush is suitable for both adults and children and can be conveniently purchased online. In contrast to manual toothbrushes, ultrasonic toothbrushes offer superior cleaning performance, which is highlighted in various test winner reviews.