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The built-in pressure control technology senses your brushing technique and alerts you on your speed and pressure, helping protect your gums. The sleek toothbrush has three unique brushing modes that help to remove plaque, offer a superior clean and delicately whiten to achieve healthy pearly whites. There are 2 parts to the brush, the handle I have been describing. This has all the clever bits of technology in. At the same time as the LED pressure sensor illuminates, you should also notice that the speed of the brush head will decrease and the sound of the motor will change. This is nothing to worry about. It is programmed to do this, until such time as the pressure is relieved. When you brush, sensors within the brush detect if you are applying too much force to your teeth. When it detects this, it activates the pressure sensor.
You see, applying too much pressure when brushing is a big issue and it causes more damage than you might think. Excessive pressure can damage the gums and cause wear on your teeth. A brush need only skim the surface of the tooth and gums. So, the brush reduces the power to protect your teeth. This means that the LED sat behind the panel lights up. You get a bright red light that you won’t fail to notice. It is important for your oral health to replace your toothbrush head every 3 months or sooner if your bristles are frayed. The Smart 4 uses a handle design that has been tried, tested and perfected over many years and I really can’t find any obvious faults with it. It is well built and solid in hand. Right at the top of the brush handle is a metal prong, this is what the brush head connects to and feeds the power from the brush motor.
Brushing for the full 2 minutes is very important, but just as important if not more so is the right technique. Make sure you learn how to clean your teeth properly.
Ideally, a way of selecting the mode prior to actually turning the brush on would be the solution. This is not available, not even on the premium Genius 9000 model. If you feel you won’t use it, you may want to consider if the Pro 3 3000 is for you, you will be paying for a feature you won’t necessarily use otherwise. Official Oral-B brush heads are recommended and they all have something known as indicator bristles. These are Blue coloured bristles that will over a 3 month period gradually discolour. A point to note here is the different versions of the Oral-B Smart 4 that I mentioned earlier. Whilst both models comes with the same cleaning modes, the Smart 4 4000S comes with the 2 x Sensitive brush heads, most fitting to the Sensitive cleaning mode offered on the brush. In our testing, we were able to get 66 minutes of usage time from the rush, which equates to 16 days use.While you are improving your brushing routine, Oral-B's unique round head does all the rest. It removes up to 100% more plaque than a standard manual toothbrush for healthier gums and it starts making your smile whiter as of the first day of brushing by removing surface stains. Not only this, but the toothbrush helps you protect your delicate gums with the proprietary pressure control technology that reduces brushing speed and alerts you to be gentler if you brush too hard. Some Sonicare and Colgate models do actually achieve up to 3 weeks, but Oral-B are now much much closer in their capabilities.
For 99.9% of users there will be years of hassle free brushing, but should you be one of the 0.01% where inevitably something does go wrong, Oral-B do not leave you high and dry. Sealed inside, these parts are protected from water and moisture. This means that the brush is water resistant and can be rinsed under a tap and used in a shower. Enhance your smile with the Oral-B Smart 4 - 4000N Rechargeable Electric Toothbrush in White. This ultra-smart electric toothbrush gives you professional guidance on getting the most out of your brushing experience. This ingenious tool connects seamlessly with the Oral-B app on your phone, to help you achieve better cleaning results. Up to 100% more plaque removal and gently whitens your teeth starting from day 1 by removing surface stains
The likelihood is that it would survive, but I strongly advise you avoid submerging the brush below water, for example in a bath or sink. A rinse is fine, but the brush does not need to sink to the bottom of a bowl of water. 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. Oral-B iO™ with revolutionary iO™ technology is the latest Oral-B electric toothbrush. After six years of research and over 250 patents, Oral-B iO™ sets the new standard of brushing performance, experience, and design. Experience a deep but uniquely gentle clean with a new frictionless magnetic drive. It directs all energy to the bristles to generate new micro-vibrations. The result is Oral-B’s best ever clean: 6x more effective plaque removal along the gumline for 100% healthier gums in one week.**
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