Oral-B Smart Series 4000

The Smart Series 4000 is the lowest range Oral-B Electric toothbrush to come with Bluetooth technology and work with the Oral-B app. It contains all the necessary features such as a pressure sensor and 2 minute timer. It comes with a sleek charging station however it does miss out on a travel case.

The Oral-B Smart Series 4000 comes in 2 main versions:

  • The Oral-B Smart Series 4000N which comes with a CrossAction and Sensi UltraThin Brush Head
  • The Oral-B Smart Series 4000W which comes with a 3D White and a CrossAction Brush Head

The only difference between these variants is the type of brush head it comes with. The electric toothbrush handle is exactly the same.

1) Features: Oral-B Smart 4 4000

Oral-B Smart 4 4000 Electric Toothbrush Review
Bluetooth Connectivity

Let’s jump right into the Bluetooth connectivity as this is the biggest selling point with the Oral-B Smart Series 4000. This is a premium feature that is found on Oral-B’s top of the range electric toothbrushes. So what is it?  The Oral-B app tracks your “toothbrushing progress”. Once the electric toothbrush is connected to the app, it monitors when you have brushed your teeth, when you have pressed too hard on the electric toothbrush and offers professional guidance. We all know we are meant to brush for two minutes twice a day, however this is not often done. The Oral-B app allows you to monitor your progress automatically and make adjustments accordingly.

Handle
The handle itself is a fairly slim profile and comes in either a blue or purple gloss finish which looks sleek. The slimline profile also makes it easy to hold. It is also rubberized which makes the electric toothbrush handle easy to hold even when wet. The on and off button which also controls the cleaning mode (more on this later) is very easy to press and very easy to change the cleaning modes. The handle is also waterproof so you could take it into the shower with you if you so wished.

2 Minutes Timer and Quadpacer
The Oral-B Smart Series 4000 comes with the standard Oral-B quad pacer 2 minute timer. I personally love this feature because it tells you when you need to change areas of your mouth. It does so by pausing for a fraction of a second.  The average person typically brushes their teeth for only 45 seconds so the quad pace timer allows you to track accurately the amount of time you have been brushing for.

Visible Pressure Sensor
The Oral-B Smart Series 4000 also comes with a pressure sensor which is a red light on the rear of the handle that flashes red when pressing too hard. This makes it very easy to see when you are pressing too hard and avoid causing damage to the teeth and gums.

2) Mechanism of action: Oral-B Smart Series 4000

3D Oscillating Rotating
The Oral-B Smart Series 4000 uses the 3D Oscillating rotating method of action which is good. There is evidence that this cleans better than a manual toothbrush. The Oral-B Smart Series 4000 oscillates at 40,000 oscillations and 8,800 pulsations per minute which is comparable with more expensive electric toothbrushes in the Oral-B range.

Compatible Replacement Brush Heads
The Oral-B Smart Series 4000 is compatible with all the Oral-B toothbrush heads including:

  • Oral-B CrossAction (Recommended brush head for most people)
  • Oral-B Sensitive  (Recommended brush head for people with sensitive teeth)
  • Oral-B Precision Clean
  • Oral-B Dual Clean
  • Oral-B 3D White
  • Oral-B Trizone
  • Oral-B Floss Action

Cleaning Modes
The Oral-B Smart Series 4000 comes with four cleaning modes: Daily clean (the standard one), Sensitive and whitening. I would personally stick to daily clean unless you have sensitive teeth or frequently press too firmly when brushing. The sensitive cleaning mode reduces the oscillations and pulsations to 30,000 oscillations and 6,500 pulsations a minute. This coupled with a Oral-B Sensitive toothbrush head would be suitable for people who press too firmly or have sensitive teeth.

3) Battery Life: Oral-B Smart Series 4000

The Oral-B Smart Series 4000 comes with a Nickel Hydride rechargeable battery that lasts for up to 7 days of use. When Oral-B say 1 week of use, this means that the battery will last for 28 minutes which is 2 minutes, twice a day for 7 days.

The Oral-B Smart Series 4000 comes with the standard Oral-B Battery indicator which flashes when the battery is getting low. It has three green lights that sequentially decrease as the battery gets worn down, it is a useful feature.

The charging station runs off the standard 220v -240v and is a very nice feature. Not only does it give you a place to put the electric toothbrush handle to charge but it also stores up to 4 electric toothbrush heads for you to use. I find this particularly useful if like me you share the electric toothbrush handle (please don’t share electric toothbrush heads).

4) Portability: Oral-B Smart Series 4000

No travel case with the Oral-B Smart Series 4000 which is strange. It is most certainly portable, you will have to buy a separate travel case which can easily be sourced.

What are the differences between the Oral-B Pro 4000 and Oral-B Smart Series 4000?

The Oral-B Pro 4000 is the old version of the Oral-B Smart Series 4000. The Oral-B Smart Series 4000 has Bluetooth connectivity whereas the Oral-B Pro 4000 does not.

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