I use the Waterpik Ultra Water Flosser at home to clean my teeth, but for cleaning my teeth at work after lunch, or for those times when I'm travelling, this Panasonic Oral Irrigator can't be beat. The reservoir chamber is small, yes, but it can be easily refilled. I fill it twice for each use -- once for my lower teeth, and once for my upper. I also add a liquid "soap" to the reservoir -- a mixture of mouthwash and toothpaste (the toothpaste is liquified in the mouthwash). So far the irrigator has had no problem pumping this "soap".
I purchased mine about 8 months ago and started by using two, AA alkaline batteries. The irrigator was good at removing food, but not perfect -- I had to use the Waterpik at home to get rid of the deeper stuff (including the plaque stuck just under my gumline).
Despite the warning against using rechargable batteries, I went ahead and starting using NiMH rechargeable AA batteries, but I noticed the unit wasn't pumping as hard as with the alkaline, and so I had even more difficulty getting the daytime plaque removed.
I decided I needed more voltage. I purchased a lithium-ion 14500 battery (very close in size to a AA, but the nubby tab is reduced in height). That comes out of the charger at 4.0 volts. Couldn't use two of those, so I made a dummy battery out of a #10 bolt, #10 washers, and fasteners (to keep the washers attached) and ground the dummy battery down to size. That made the irrigator too powerful, and I felt like my gums were being laser-cut away. Also, the lithium-ion battery started to fade after about 20 seconds (the power of the irrigator went down). To get the lithium-ion voltage down, I made another dummy battery but with two bolts connected to a central plastic tube and two diodes in parallel (taken from an old AC adapter) to reduce the voltage -- it connected the two bolts together. They reduced the voltage by 0.3 volts, and after trying again, the irrigator no longer felt like it was cutting my gums away, but the diodes would heat up, and the 14500 li-ion battery would fade as before, plus that battery would only get through two days of lunch cleaning before it needed recharging (I could use the NiMH batteries for two weeks without problem).
My recent attempt now is using PowerGenix NiZn rechargeable AA batteries. They are advertized at 1.6 volts, but I measured them out of the charger at 1.8 volts. Now the irrigator is at the same pumping power as the li-ion battery was with the diodes, but the NiZn batteries don't fade, and no more hand-making dummy batteries. Time will tell how long the NiZn batteries will last, but so far they are the best match with this oral irrigator.
Oh, I should mention the irrigator is also great for returning to work after a dental visit. On low setting, I use it to flush out all the old amalgam bits the dentist left in my mouth.
UPDATE 3/12/2011
The NiZN batteries, while performing well in the Panasonic irrigator, have resulted in a little too much pressure in the long term. The increased water pressure has forced an opening under my gumline between two front teeth causing bleeding. I'm now using one NiZN battery with a Duracell low-self discharge NiMH battery. This has reduced the pressure enough to stop cutting open the gumline in the one spot while giving enough pressure to effectively clean my teeth and gums. I think ultimately this irrigator would do better with a strength setting from 1-10 much like the Waterpik's plug-in model, then I wouldn't have to experiment so much with different battery combinations. Despite all of my high-voltage experiments with this irrigator, it has held up and continues to run fine.
Update 5/31/2011
I continue to use one PowerGenix NiZn battery with one Duracell NiMH battery for the best balance of power without tearing up my gums. In this setup, I can use this irrigator for a week in my lunchtime cleaning before having to switch out batteries. I keep another pair of NiZn/NiMH batteries ready to go, so I'm never without good power. At the end of the week, I take the used NiZn/NiMH battery pair home and recharge them (each in their own chargers, I have to use the special charger that came with the NiZN for the NiZN battery).
I also switched from a toothpaste/mouthwash cleaning solution to a Dove soap/mouthwash cleaning solution. The toothpaste has micro-fine silica, and I was afraid that in a pressure washer like this irrigator it would blast away enamel and dental work. It may have contributed to that pocket in my gumline when I was using two NiZn batteries in the irrigator.
I take a cheese grater with a turn handle and insert the bar of Dove soap into the grater, then turn the handle many times to produce soap bits that land in a large, microwaveable measuring cup. Then I fill the measuring cup with mouthwash and microwave the mixture to heat it up. I take one of those bamboo sticks that are found in the kitchen accessory sections of department stores and stir the mixture until all soap bits are dissolved. I then pour that mixture back into the empty mouthwash container. For dispensing, I have a used, plastic, shrimp cocktail container that I fill and use to squirt the soap in the Waterpik irrigator for home. For work, I use an empty, see-through, one-dollar shampoo container as found at stores like Target or Walgreens (meant for travel kits) and squirt a little soap solution from that into the Panasonic irrigator.
Despite using these various soaps and different power levels, the Panasonic irrigator continues to run fine.
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From the manufacturer
Cordless Portable Water Flosser
The Panasonic Portable Dental Water Flosser and Oral Irrigator EW-DJ10-W provides powerful and refreshing cleaning. It rinses away plaque, food particles and bacteria in hard to reach areas of the mouth while being gentle on your teeth & gums, especially when travelling.
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Water-Flossing Action Fights Food and PlaqueUnlike traditional dental floss, the Panasonic Portable Irrigator EW-DJ10-W creates rapid, targeted jets of water to comfortably — and thoroughly — remove food particles, plaque and bacteria from between teeth and gums. |
Portable Water Flosser with Collapsible Design for TravelBoth powerful and portable, this compact water flosser can easily be used anywhere — at the office or gym, while traveling or at home. Its discrete, small-footprint design takes up minimal space on vanities, sinktops and counters. It also collapses to fit snugly in bags and luggage. It's the convenient way to maintain good oral health anytime, anywhere. |
Dual-Speed Pulses for Gentle, Effective CleansingTwo water jet pressure settings make flossing and cleaning between teeth and along the gum line gentle and effective. |
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Easy-Fill Water Reservoir Lets You Floss LongerClean longer between fills with a 5.5 oz. (165ml) reservoir which provides about 40 seconds of water flosser operation. |
Washable for Quick, Easy CleaningCleaning and maintenance is simple. All parts are washable and can be washed and rinsed thoroughly under the faucet and dried with a clean, soft cloth. |
Battery-Operated Design Requires No ChargingThe Panasonic Oral Irrigator is powered by two AA batteries (included), which means no charging time required. And, no need to pack a charging cord while traveling. |
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| EW-DJ10-W | EW1511W | EW1213A | EW0955W | |
| Customer Reviews |
6,718
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6,718
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453
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| Price | $44.98 | $104.99 | $60.99 | $11.00 |
| Name | Portable Water Flosser | Ultrasonic Water Flosser | Water Flosser for Braces | Replacement Nozzle (2) for EW-DJ10-W |
| Ultrasonic Water Jet Technology | — | Yes | — | |
| Cordless Design | Yes | Yes | Yes | |
| Collapsible Design for Portability | Yes | — | — | |
| Number of Pulse/Speed Settings | 2 | 5 | 3 | |
| Water Tank Capacity / Running Time | 5.5 oz / 40 seconds use | 6.8 oz / 60 seconds use | 4.4 oz / 35 seconds use | |
| Charging Base | — | Yes | Yes | |
| Rechargeable | No, battery operated | Yes | Yes | |
| Number of Nozzles | 1 Water Jet Nozzle | 2 Ultrasonic Water Jet Nozzles | 1 Tuft Brush, 1 Water Jet Nozzle | |
| Rotatable Nozzle | Yes | Yes | Yes |
Compare with similar items
This Item  Panasonic Portable Water Flosser, 2-Speed Battery-Operated Oral Irrigator with Collapsible Design for Travel – EW-DJ10-W (White) |  |  |  |  | ![Panasonic EW-DJ42-W Electric Dental Flosser [Jet Washer Doltz Ultrasonic Water Flow Waterproof/Portable Model] AC100-240V Shipped from Japan Released in May 2022](https://m.media-amazon.com/images/I/31xwd-5nLVL._AC_.jpg) | |
| Price | $44.98 | $97.99 | $49.99 | $11.00 | -30% $29.99 List: $42.99 | $137.37 |
| Price Per Unit | $44.98 / Count | $97.99 / Count | $49.99 / Count | $5.50 / Count | $29.99 / Count | $137.37 / Count |
| Delivery | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | — | Get it May 30 - Jun 14 |
| Customer Ratings | ||||||
| For traveling | ||||||
| Easy to use | ||||||
| Portability | ||||||
| Value for money | ||||||
| For deep cleaning | ||||||
| Sold By | Amazon.com | Elta Beauty | JUNKE TECHNOLOGY | Amazon.com | KBSTAR | Online_shopping_Excellar_from_Japan |
| material | Panasonic | rubber | Acrylonitrile Butadiene Styrene | Panasonic | Acrylonitrile Butadiene Styrene | — |
| tank volume | 5.5 fluid ounces | — | 500 cups | — | 180 milliliters | — |
| power source | Battery Powered | Battery Powered | Battery Powered | — | Battery Powered | Corded Electric |
Videos
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3:06
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Water flosser cleans teeth better than regular floss.
Technpix
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1:41
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Tetiana Rozhanska✨ Amazon Cozy Finds ✨
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Panasonic Oral Irrigator Video Review.mp4
Simon Kenny
Reviews with images
Exceptional Performance, Convenient Charging Base, Quality Components
After going through two Phillips Sonicare Airflossers, well before what I considered a normal lifespan, I decided it was time for a change. First, I'm going to admit to you that one of the necessary requirements for me in choosing a new oral irrigation system would be esthetics. If it was going to be on display on my bathroom counter, I wanted to be happy seeing and using it daily. Also, a charging base was a must. I didn't want to have to bother plugging in a usb cord in order to charge it. I wanted the same convenience that I enjoy with my toothbrush; the simple action of using it and just placing it back onto its base to charge. Those two factors are what initially drew my attention to this oral irrigator from Panasonic. Yes, it was priced higher than other brands, but now that I'm using it daily, I can happily justify paying a bit more for this product as it does a great job. The quality is apparent right out of the box. The ergonomic design of the unit sits comfortably in the hand and the silicone texture on the back gives a secure grip even with wet hands. It's easy to fill and holds more than enough water for a thorough mouth cleaning. And yes, most importantly, it's powerful. So much so that I'm starting out at a mid point level until my gums adapt to the impressive water pressure. Having said that, changing the water pressure levels is easy; control buttons are conveniently located where fingers naturally rest when holding the unit. Another good thing to note is that this model comes with two tips making it ideal for multiple users. Tips are easily interchangeable and can be kept on the base. And speaking of the tip, it rotates so achieving the ideal angle in one's mouth is easy.If you are already familiar with using this type of oral irrigation system, you know it initially may take a little practice to master this form of dental hygiene. But because of this units on and off button, you have complete control of the water flow so keeping your bathroom counter splatter free is so much simpler. This unit gives me confidence that I'm removing food particles that brushing alone misses. And what's notable about this particular model is the technology behind the design. The water is pushed through in microdroplets which can reach deep between gum and teeth.Bottom line, it's a quality oral irrigation system that performs exceptionally well, looks sleek and modern, and offers the convenience of a charging base. Panasonic also stands behind this product by offering a reassuring 30 day money back satisfaction guarantee along with a two year warranty. I've posted some photos and sincerely hope they help you decide what's best for your needs. Bottom line, I love it and can comfortably and enthusiastically recommend it. Thank you!
Top reviews from the United States
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Reviewed in the United States on February 25, 2011
Reviewed in the United States on February 1, 2017
Top reviews from other countries
9075roberto
efectivo
Reviewed in Mexico on February 7, 2021Style: Portable Water Flosser WhiteVerified Purchase
Mr. Robert J. H. Fack
Brilliant, even better than the old version
Reviewed in the United Kingdom on October 28, 2020