Some Sonicare and Colgate models do actually achieve up to 3 weeks, but Oral-B are now much much closer in their capabilities.

The main brush that we recommend, is the Oral-B Pro 3 3500 — it is our pick for the best Oral-B electric toothbrush.The Oral-B 4000 comes with four cleaning modes: Daily clean (the standard one), Gum care, Sensitive and whitening (only with the 3D white version Oral-B Smart 4 4000w ). I like the fact that this brush has four modes (regular, deep cleaning, sensitive and whitening), and it is thicker than the previous model so feels better in my hand.

It keeps them upright and they do not touch, but they are not covered like they are with the compartment with the 9000, which can accommodate up to 4 brush heads. And add to this, there have been various iterations of the 5000 over the years, so it would be important to find out the exact one to say 100%.

However, the toothbrush simply carries on going past the 2 minutes, and the majority of reviewers did mention that they found the timer useful. A bigger difference and potentially useful feature for first time electric toothbrush users is the inclusion of a pressure sensor on the 2000. Both have visible pressure sensors, but the 3000 has a 360 degree sensor that wraps around the neck of the brush, compared to the rear mounted (approx 180 degree) sensor on the 2000. If your oral health is already really good from just using a manual brush, then an electric toothbrush probably won't take things to the next level and I wouldn't recommend this brush. With a large range of electric toothbrushes, you should be able to find one that suits you down to the ground without spending much at all.

It helps those with sore or inflamed gums, but reducing the number of movements in the brush head, making for a more comfortable brushing experience, until the sensitivity has gone or reduced. You don’t want a button that is too easily activated or too firm, thankfully that is not the case on the 4000. You too get a visible pressure sensor, but this now lights up not only red to alert you when you brush too hard, but green too, to show you are using just the right amount of pressure.We test how long the battery lasts when it's fully charged so we can recommend the models with the longest stamina. I have just checked and I see no option within the app to configure the brush to disable the 2 minute timer completely, but you can change it so it is set to 4 minutes for example. For those who just want to brush their teeth every day and be done with it, this Pro 4000 might be overkill and you might be better off with the Pro 2000. Various conditions may affect this quoted usage time, but safe to say you are getting at least double the performance, yet despite the battery change the physical size of the brush handle has not altered.