What is the lifespan of an electric toothbrush?

The lifespan of an electric toothbrush depends on how we use it. The better we use it, the more time it will stay with us. Nowadays, companies present good quality electric toothbrushes that last for 3 to 5 years.

In the paragraphs below, we will discuss how long an electric toothbrush will last. And how long should you keep an electric toothbrush?


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 What is the lifespan of an electric toothbrush?


The lifespan of electric toothbrushes depends on many factors. Out of them, the battery life is the most significant.

Battery life

If we want our electric toothbrush to work correctly for a more extended period, then we should keep the battery of our electric toothbrush in a good state.

There is a universal rule of battery that is true here as well. We should charge the battery only when needed when the battery is low.

When the battery becomes full, we should use it entirely until it exhausts. However, we must be careful not to exceed the charging time as it will degrade the battery’s life.


The lifespan of an electric toothbrush battery

The lifespan of an electric toothbrush battery will depend on how fairly we complete the charging and discharging cycles. If we use to charge the battery for shorter periods, it will slowly decay the battery.

Similarly, we should avoid disconnecting the toothbrush from the power cord. It will save energy and the battery’s life as well.


Nowadays, modern electric toothbrushes have a built-in battery feature; this will help automatically disconnect from the power when the battery is fully charged. Thus, there will be secure battery life.


The new Lithium-ion batteries can last for much more extended periods, similar to our smartphone batteries. The incoming of new battery technology has shortened our battery-related worries, but it is not wise to leave the brush on charging for prolonged times.


The battery’s charging routine

The new batteries slightly follow a different charging routine. In contrast, to those mentioned above, these batteries are not bound to be charged when they are entirely used.

However, the battery can be charged when they reach the cutoff limit of 20%.


Frequent charging and discharging will make the battery less efficient with time.

Some brushes solve this issue by providing a battery indicator light. When it needs charging, the indicator becomes red; we have to charge the toothbrush at this time.


How long does the toothbrush head last?


We should replace the toothbrush head after three months of continuous usage because the bristles will become less effective due to distressing and damaging. Moreover, they will not be able to clean up the plaque effectively. Consequently, it will damage our teeth and gums.


Careful handling will prolong the lifespan.


These moving parts in the electric toothbrushes need care as knocking them on the ground during operation will damage them. If we mishandle the brush and it keeps falling many times, it will lose the cabling and motor connections.

Eventually, the motors will burn and fail, so careful handling is advised.


This theory is not always true; in some cases, electric toothbrushes will live longer even with frequent falls. But in some cases, it will die soon.

If we follow the regular charging cycles and avoid mishandling will result in the extended life of our electric toothbrush.


How long should we use the electric toothbrush?


There is no harm in using an electric toothbrush as long as it is in good working condition. We recommend changing the toothbrush after some years of usage for the model up-gradation.

We have to look for the primary purpose of the toothbrush. As long as it is doing its job efficiently, there is no point in changing it. However, the changing toothbrush becomes a necessity in the following cases;


  • The brush head becomes defective, loses its grip, and does not firmly attach to the rest of the toothbrush body.
  • The motor of the toothbrush became weak and unable to deliver the desired vibrations per minute.
  • You want to change the brush based on hygiene.

In addition, electric toothbrushes should be disposed of following the environmental rules and regulations.


How do you know that your toothbrush isn’t working fine?


There are many ways to show that the toothbrush is not working as it should be.

Sometimes, the toothbrush stops working and does not receive any input from the power cord. This charging fault is due to the malfunctioning charger, which must be amended or replaced.

We can also confirm the working of the toothbrush by trying some other charger.


It often happens that the battery only charges a bit; this is due to the memory effect build-up. The battery only remembers the small charge left in it and does not accommodate more charges from outside.


To get rid of this, we have to use our toothbrush by disconnecting it from the power source; it will help drain the charge left in the battery, then we should go for another charging round. This issue is experience-based and not fully recognized by the experts.


What is the lifespan of an electric toothbrush?


Consequent to the discussion, we have learned that electric toothbrushes have a longer lifespan of almost five years. Many factors contribute to the healthy working of brushes, which are discussed above.

Out of many aspects, battery life is the most significant determining an electric toothbrush’s overall performance and life expectancy. By adhering to charging cycles, we can substantially increase the battery life.

Moreover, careful handling and avoiding frequent damage by knocking off will ensure the safety of moving parts and the inside motor.








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