Aim at colored stains and plaque on your teeth. I tried a sonic electric toothbrush!

Aim at colored stains and plaque on your teeth. I tried a sonic electric toothbrush!



Although I was conscious of improving the oral environment by brushing my teeth, I had never focused on removing the "yellowing" of my teeth.

But when you think about it, the teeth that are exposed in conversation and smiles are important parts of the face. It makes sense to go to whitening regularly to improve your face-to-face impression.

It is profitable to brush your teeth every day to improve the appearance of your teeth as well as the oral environment. The electric toothbrush that aims for such a double action is " mega smile ".

This time, I was able to borrow a product that is under development at machi-ya, so I would like to convey the appeal that I found out after trying it.

Activated carbon particles in the filament


I received a product that was developed by a Swiss dentist! The whole body is black and there is only one button. The impression is that it is an electric toothbrush with simple operation.


Looking at the shape of the head, it looks like a mountain shape that seems to fit the shape of the teeth. I often see models with fine jagged edges, but the "mega smile" is very boldly hollowed out. Since this shape and the area that comes into contact with the teeth are large, it seems to be efficient to brush several teeth at once.

The filament is a round cut type. Manufactured by a long-established German filament manufacturer. Actually, it seems that the secret of "mega smile" is hidden in this filament. The aim is to remove yellowing and stains on teeth by trapping activated carbon particles.

Cleaning up to the teeth with sonic water flow

There are four modes for the electric toothbrush.

Sensitive mode (gentle cleaning), intensive mode (low amplitude and intensive cleaning), deep cleaning mode (high amplitude and thorough cleaning), and polishing mode (tooth polishing and gloss maintenance) are switched each time the button is pressed.


I am happy to be able to select the optimum mode according to the quality of the teeth and gums and the purpose. The polishing mode, which polishes the tooth surface without damaging the enamel, is encouraged to be used in combination with other modes.

The amplitude and frequency of each brush are different, and it seems to be a mechanism that generates a sonic water flow with a maximum of 42000 vibrations/minute to clean the teeth.

The squishy feeling of microbubbles is comfortable!


I tried "mega smile" to brush my teeth in the morning and at night.

When I heard that plaque and colored stains were removed, I imagined that it would be crispy with a sharp filament, but with regard to "mega smile", it is said that this is achieved without damaging the teeth and gums. In fact, the stimulus when polishing was very soft.


An active timer every 30 seconds shows the timing of area movement, so you can brush evenly in 2 minutes.

In the intensive mode and deep cleaning mode, I felt the squishy feeling of microbubbles. The small vibrations make your gums feel itchy, but as you get used to it, it becomes more comfortable.

No maintenance is required




After brushing your teeth, rinse lightly and use it as a charging stand. Since the waterproof performance of the main body is IPX7, it can be handled without worrying even in water.

It was unclear if the yellowing of the teeth had disappeared because of the short period of time, but even after subtracting the influence of prior information, the refreshing feeling after brushing the teeth was a habit!

Tooth stains that accumulate over time, such as tea astringency, should be removed diligently by brushing your teeth every day. I felt that "mega smile", which provides oral care and tooth polishing at the same time, is a very attractive product.


The sonic electric toothbrush "mega smile" that removes stains with the power of activated carbon particles is currently accepting support at machi-ya. At the time of writing, it is possible to order from [Early Discount] 20% OFF (limited to 50 people) and 12,784 yen (including consumption tax and shipping fee).

There is a limited number, so consider early. Detailed explanations about product specifications and mechanisms can be found on the following website.

If you ever want to know about similar things, check out the Facebook page Maga AI

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