Reasons to change the toothbrush

We tell you the reasons why the toothbrush should be changed. Having this hygiene instrument in good condition is essential for your health.

Last update: September 19, 2021

Taking care of dental hygiene is essential to keep the mouth healthy. There are several reasons why your toothbrush must be changed for oral cleaning to be effective.

Toothbrushes do not last forever, because as time passes, the bristles wear out. For this reason, most manufacturers recommend replacement every 12 to 16 weeks.

But there are other reasons why you should change your toothbrush, even before the suggested time. In this article we will tell you those reasons so that you can take proper care of your oral hygiene.

Reasons to change the toothbrush

Tooth brushing is one of the main measures for the care of the oral cavity. Having an instrument in good condition is essential to perform the task correctly.

Whether a manual or an electric toothbrush is used, the ideal is to change it every 3 months. After 90 days of regular use, the bristles lose strength and effectiveness in removing bacterial plaque.

However, there are some reasons why the toothbrush should be changed before the estimated time. Here are the reasons why this oral hygiene tool should be replaced.

Bent or damaged bristles

Regular use of the toothbrush will bend and weaken the bristles. In this way, the instrument is deformed and is not efficient enough to remove plaque of teeth and gums.

Beyond a proper cleaning technique, if the brush is not in good condition, oral hygiene will not be effective. By not being able to eliminate bacteria correctly, you increase the risk of suffering from diseases of the mouth, such as cavities and gingivitis.

Therefore, look at the open or outward toothbrush bristles it is one of the reasons why it should be changed. Even if the suggested 3 months have not yet passed, if the bristles are deformed, toothbrush replacement is best for oral health.

The bristles of a working toothbrush should be straight, soft, but firm. The handle should be clean and easy to grip. In this way, it will be possible to reach all places in the mouth to eliminate germs and food debris effectively.

In the case of electric toothbrushes, the heads clean the tooth surface by rotating and vibrating at high speed. When the bristles of the head are worn, it is also time to replace it with a new one.

Over time, toothbrushes can become colonized by microorganisms.

Pass of the time

Many times, toothbrush bristles show no obvious signs of wear despite months of use. Although the deterioration is not noticeable, the passage of time is another reason why the toothbrush should be changed.

Every day, at the time of oral hygiene, Microorganisms and microscopic debris accumulate on the brush. Although this type of deterioration is not noticeable, it has a negative influence on the cleaning efficiency.

Washing the bristles of the brush under a strong stream of water after use and placing it in an upright position for ventilation and drying helps to maintain it. Anyway, after 12 to 16 weeks, you have to look for a new brush, even if it seems that everything is fine with the one we already have.

Have been sick

Another reason why you should change your toothbrush is having been sick. If you or someone in your family has had the flu, angina or an infection, Ideally, the whole group living together renew their brushes.

Possibly, the person who was sick, if their immune system is not compromised, will not get sick from the same thing again. In any case, the rest of the family is at risk of being infected.

With the replacement of oral hygiene instruments the proliferation of pathogenic germs between its filaments is avoided. For this reason, reducing the chances of an infectious agent spreading through the bristles of the brush is good practice.



At the end of a dental treatment

Receiving dental discharge is another reason why you should change your toothbrush. If the person has been visiting the dentist frequently to treat caries lesions, gingivitis, periodontitis and infections, Once the treatment is finished, the ideal is to buy a new brush.

Changing the brush reduces the risk of reintroducing strains of microorganisms that were eliminated and that may have remained among the old bristles. And although several of the bacteria that caused oral problems persist in the mouth, having a new toothbrush will also help prevent their proliferation and accumulation. In this way, it is possible to maintain the state of oral health achieved with the therapies.

Excess humidity

When the bristles of the brush remain wet for a long time, the proliferation of germs on them is easier. Have a habit of wash and shake the brush after use and place it upright to dry and it is ventilated is the ideal thing to avoid its contamination.

It is important to bear in mind that the ventilation and humidity in the bathroom greatly affect the condition of the brush filaments. If it is not possible to keep this hygiene accessory dry, it is best to change it more frequently. Replacement is also suggested if the brush remained wet for more than 48 hours.

Long trips where the toothbrush is stored for a long time and poorly ventilated are another reason why it should be replaced. There are plastic protectors to protect them and avoid contact of the bristles with other objects.

However, prolonged storage and lack of drying favors the proliferation of bacteria. For this reason, After a long trip, the ideal is to buy a new brush.

Tips for caring for your toothbrush

We have already mentioned the reasons why the toothbrush should be changed. As you have seen, many times it is necessary to do it before 3 months.

Here are some cares that you can take into account to keep this hygiene tool in optimal condition:

  • Washing and drying: After performing oral hygiene, the brush should be washed under the tap to remove bacteria, food residues and paste remains. It should be drained vigorously and left to dry upright in a clean and ventilated place.
  • Using a brush brush: This bathroom accessory allows to keep the brushes of the whole family separate and ventilated, avoiding the exchange of germs.
  • Store location: the place where the brush is deposited must be dry and have ventilation. In addition, it should be as far as possible from the toilet area, as it is a source of germs that can reach the filaments. If the brush is in the bathroom, closing the toilet lid when emptying the cistern is good practice.
  • Wear travel protectors: When it is necessary to transport the brush, the ideal is to use a plastic protector that avoids the deformation of the bristles and their contact with other objects. It is essential to keep it dry to avoid the proliferation of bacteria.
  • Don't share your toothbrush: the toothbrush should never be shared with another person. In case this happens by mistake, it is necessary to change it for a new one.
Leaving the brushes upright so that they air out and their bristles do not remain wet is good practice.


Observe the toothbrush

You have surely heard the recommendation that oral hygiene accessories should be replaced every 3 months. But as you've seen, there are a few reasons why your toothbrush should be changed before that time.

Observing the condition of the bristles is a good practice to notice when a replacement is necessary. Recording the date a new toothbrush is used and planning its replacement with all members of the family is also advisable.

Keep the toothbrush in optimal condition it is essential for oral hygiene to be effective. And although sometimes a replacement so often may seem unnecessary or too expensive, the health gain will be much greater.