The Waterpik Sonic Fusion SF-02 combines a sonic toothbrush with Waterpik’s water flosser to create a convenient 2-in-1 device. It is well designed for ease of use, attractive to look at, and gives a good performance. It is received well and is one of the first decent brush/flosser combo devices we’ve had the pleasure of reviewing.

Waterpik Sonic Fusion Specs & Accessories

Specifications:

  • Pressure settings: 1 to 10
  • Pressure range: 10 to 100 PSI
  • Pulses per minute (PPM): 1300
  • Pulses per second (PPS): 21
  • Flow rate per minute (FRPM): 355ml or 12oz
  • Rechargeable sonic toothbrush and flosser combined
  • 400ml water tank capacity (14oz)
  • Recharge indicator light
  • 2-minute brushing timer with 30-second pacers
  • 3 years warranty

Accessories:

  • 2 flossing brush heads
  • Premium toothbrush case

waterpik sonic fusion review

The Waterpik Sonic Fusion fuses a toothbrush and flosser. Unlike most of Waterpik’s flossers, this one sprays from a bristled toothbrush head rather than a small tip. The box includes just 2 special heads that you’ll need to stock up on from Waterpik themselves – we can’t find any cheaper/eco-friendly compatible alternatives from third parties.

The toothbrush is sonic and will stay fully powered for about 7 days before the battery dies. You have about 45 inches of power cord so charging it is no hassle at all. There are some reports that we came across stating that the battery dies or won’t hold a charge after only a few uses – don’t let that worry you. The 3-year warranty covers this and all you need do is get in touch with Waterpik customer service.

It is lacking on the accessory side, with only 2 brush heads and a toothbrush case included. You can rebuy the brush heads in packs of 2. Don’t expect them to be cheap. We hope that over time as more models that combine the 2 devices are made, the device and accessories will become a bit more affordable.

How To Use Waterpik Sonic Fusion

Waterpik Sonic Fusion Functionality

Operating this brush and flosser is ridiculously simple. You have 2 big buttons to press for brushing and flossing, plus 10 pressure settings to choose from on a dial. There’s also the other standard, useful features you expect like the 30-second/2-minute timer and light indicator when it needs charging.

So far, so good.

We liked how our morning dental hygiene routine sped up significantly. Fill the water tank before you start, brush for at least 1 minute (or a full 2 minutes) before turning on the flosser and you’re instantly ready to go. You can also fill the reservoir with mouthwash too, just remember to flush it out with water once you’re done.

It’s easier to operate compared to using a brush and flosser separately, but it’s not without a few flaws.

The problems we encountered were:

  • It gets quite loud for a toothbrush, although we’re not at vacuum cleaner level.
  • The reservoir only holds enough for 1 minute of flossing, so you can’t do your full 2 minutes of brushing and flossing simultaneously. It’s up to you whether you brush and then brush-floss, or just brush then floss the old school way.
  • Brushing and flossing at the same time makes a hell of a mess as you move the brush around. It also flushes out all your toothpaste far too quickly.
  • It’s not strong enough to handle setting 10 water pressure and power the sonic toothbrush at optimum at the same time. It’s still good enough to use and get a good clean, but it’s not going to knock your socks off.

Comparing this to the top-of-the-range Philips and Sonicare toothbrushes and water flossers, it does fall a bit short on both sides. Like with many 2-in-1s, you do sacrifice some functionality and power in the name of convenience!

In no way do we think that the Waterpik Sonic Fusion has poor functionality, we just want to make sure those who are used to the best of the best know it probably won’t live up to their expectations.

Sonic Fusion Design

The design is sleek and simple. We reviewed the white version with chrome accents. There’s also a black version available for the same price. It’s pretty to behold and won’t be an eyesore in your bathroom. It’s very compact too. The entire unit is 5.5 x 5.2 x 10.9 inches (when the toothbrush is in the base) and is powered from the shaving socket.

The water reservoir holds enough for 60 seconds of flossing (355ml) and is easy to fill and empty. It’s also opaque so you can see how much is in there. The “premium” toothbrush case holds the brush and 2 toothbrush heads. It’s good for travel unless you want to take the reservoir and charger with you.

You can brush without the water floss cable attached to it if you aren’t planning on flossing – a little design feature that we enjoyed. It’s obvious that Waterpik prioritized convenience when creating the Waterpik Sonic Fusion. The water flosser comes out the exact center of the toothbrush which can make angling a little tricky if you have wonky teeth and hard to reach places. It’s not amazingly precise but it is certainly good at flushing away any plaque lingering in the usual places.

Compared to string flossing, it’s still a huge step up. Those people who don’t like flossing will enjoy being able to brush and floss at the same time to get the job over with as quickly as possible!

Waterpik Fusion Pros/Cons

Pros

  • Nice design, looks modern and smart
  • Quicker and easier to manage a 2-in-1 device
  • Compact design and easy to use
  • Has decent brushing power, pressure and flow rate
  • Can be used with mouthwash

Cons

  • Can’t floss for the full 2-minute brush time
  • Water pressure feels lower when brushing and flossing together
  • Flossing while brushing is messy and quickly flushes away toothpast

Verdict

Is it worth the money? Perhaps not at the moment. But you wouldn’t just be burning cash by buying it either. It’s a quite good step towards the future where dental hygiene is more convenient, compact and effective. It’s got those first 2 down, but as for efficiency, you could still get a more effective toothbrush and water flosser separately. You’d just need to pay a little extra for it. Some dental dorks would say the extra money is worth it, but honestly, the 2-in-1 Waterpik Sonic Fusion is not a bad investment if you’re looking for convenience above all else without sacrificing dental hygiene.

We sincerely hope this is the first of many steps towards more combined flosser/brushes in the future.


Author: Peter Mayhew

Peter is a dental hygienist in the city of Chicago, IL. In his free time he likes to write blogs and product reviews on anything dental health related.

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