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Comparison Oral-B Pro 500 Cross Action vs Oral-B Pro 400 CrossAction

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Oral-B Pro 500 Cross Action
Oral-B Pro 400 CrossAction
Oral-B Pro 500 Cross ActionOral-B Pro 400 CrossAction
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Typetoothbrushtoothbrush
In box
Number of nozzles1 pcs1 pcs
Nozzles
standard round /Cross Action/
standard round /Cross Action/
Model of the replacement headEB 50EB 50
Specs
Operating modes11
Power modes11
Modes
daily brushing (3D)
daily brushing (3D)
Brushing technology
reciprocating
pulsating
reciprocating
pulsating
Rotating frequency (sweeping)8.8 ths/min8.8 ths/min
Pulsation frequency20 ths/min20 ths/min
Features
Timer
Pressure sensor
Head wear indicator
Additionally in a set
charging stand
charging stand
General
Power source
accumulator powered
accumulator powered
Max. operating time48 min
Charging indicator
Color
Added to E-Catalogdecember 2016december 2016

Timer

The presence of a timer in the design of the device. All types of dental hygiene appliances can be equipped with this function (see "Type").

The timer function counts down and provides alerts, often at specific intervals, to help users monitor the time spent on brushing their teeth and mouth. This ensures that the oral care routine is effective without unnecessary prolongation. The timer settings can vary depending on the selected brushing program (as discussed in the "Modes" section). Following the standard recommendations of dentists, a typical daily brushing session should last at least 2 minutes, with 30 seconds allocated for each quadrant of the teeth. Consequently, when using this mode, the timer typically counts down from 2 minutes and signals every 30 seconds to prompt the user to move the brush to another section of the mouth.

The timer function can vary in its operation, depending on the specific model of the toothbrush or irrigator. The simplest approach involves fixed time settings for each mode, accompanied by audible and/or visual signals. Models equipped with smartphone synchronization (as discussed in the "Synchronization with a smartphone" section) often display timer data on the smartphone screen and allow users to customize the countdown duration to their preferences. In some children's brushes (as mentioned earlier), a musical timer is used, where the countdown continues until a melody finishes playin...g. There are also other unique features related to this function. Regardless of the specific implementation, the timer simplifies the use of the toothbrush or irrigator, eliminating the need for users to manually track the time themselves.

Max. operating time

This refers to the maximum duration a device can run continuously when powered by a fully charged battery or fresh batteries. It's worth noting that this metric may also apply to models designed for mains power, such as flossing systems that include rechargeable toothbrushes, in which case we're referring to the battery life of these toothbrushes.

It's important to note that device specifications typically indicate the maximum runtime under ideal conditions, often in the most energy-efficient mode of operation (and for models with replaceable batteries, using high-quality batteries). The actual battery life can vary depending on specific usage conditions. However, this parameter still serves as a valuable basis for comparing different models. Generally, differences in the claimed operating time correspond proportionally to the real differences in battery life. For example, if one toothbrush has a stated operating time of 20 minutes and another boasts 40 minutes, in practice, their battery life (under similar conditions) will likely differ by approximately two times.

It's important to consider that, for toothbrushes, this parameter can help estimate the number of brushing sessions you can expect on a single charge. Typically, the recommended daily brushing duration is 2 minutes. So, if a toothbrush has an operating time of 30 minutes, it's sufficient for approximately 15 cleaning sessions (or more realistically, around 14 or 13).
Oral-B Pro 500 Cross Action often compared
Oral-B Pro 400 CrossAction often compared