How to change the head of Oral-B electric toothbrush? How often should the head of Oral-B electric toothbrush be changed?

Generally, the toothbrush head needs to be replaced after using it for a period of time. How should the head of an Oral-B electric toothbrush be replaced? How often should the head of an Oral-B electric toothbrush be replaced?

Electric toothbrushes are used for a long time, and the brush heads are bound to split, so they need to be replaced. Take the Braun Oralb electric toothbrush as an example.

Pull the toothbrush head upwards and the split toothbrush head will come out.

Then align the new toothbrush head with the metal rod and insert it, and the new toothbrush head can be easily replaced.

Dentists recommend that toothbrushes should be replaced every three months, and so should electric toothbrushes, but the brush head should be replaced. If a brush head is used for more than three months, not only will the bacteria exceed the standard, but the bristles will also be deformed, which can easily damage the gums when brushing and reduce the cleaning effect. So how do you judge whether the brush head needs to be replaced? There are two ways: one is to look at the bristles. New bristles are straight, and when the bristles of the brush head are separated, it should be replaced. The other is to look at the color. The brush head of the Oral-B electric toothbrush is cleverly designed. There is a very light blue display bristle on the bristles. When the bristles gradually change from blue to white, we should replace the brush head in time.

If you take good care of your electric toothbrush, avoid bumping or dropping it, don't place it in damp places, and clean it promptly after use, then you can use it for two years without any problems.

There are circuit boards, batteries, motors and other components inside the electric toothbrush. If they are exposed to moisture for a long time or are not waterproof, water vapor will enter the electric toothbrush and easily corrode the circuit boards and batteries, greatly reducing the life of the electric toothbrush.

Electric toothbrushes can be carried with you and do not need to be checked in. This is because electric toothbrushes contain lithium batteries, and civil aviation regulations require that lithium batteries must be carried with you and cannot be checked in, and the capacity cannot exceed 160wh. If it exceeds, it cannot be carried or checked in. Generally, the capacity of lithium batteries in electric toothbrushes is relatively low, so they can be carried with you.