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Why is brushing your tongue properly so important?

May 7, 2025
3 min read

Dr. Sabrinsky Flores in her dental office
Dr. Sabrinsky Flores

Do you brush your teeth every day but still notice bad breath? Did you know that 90% of bad breath originates on the tongue? Many people brush their teeth diligently but forget one crucial detail: the tongue must also be cleaned properly.


As a dentist in the Dominican Republic, I have observed in my practice that this very simple habit is performed incorrectly in most cases. Today I explain how to do it properly and why you should never skip it again.


What happens when you do not brush your tongue properly?

The tongue is a rough surface that accumulates bacteria, food debris, dead cells, and even fungi. When it is not cleaned properly, all of this forms a whitish or yellowish layer called tongue coating, responsible for:

  • Persistent bad breath (halitosis)

  • Altered sense of taste

  • Digestive problems

  • Increased risk of periodontal disease


Why do many people do it incorrectly?

Most patients I see in my practice try to clean their tongue incorrectly, and this can cause:


  • Gagging when brushing deep areas

  • Damage to the uvula or the small hanging tissue at the back of the throat from excessive force

  • Abandoning the habit because of discomfort


Many people also make the mistake of “scrubbing” the tongue without direction or technique, causing discomfort without achieving effective cleaning.


The correct way to brush your tongue


Here is a step-by-step guide supported by science and clinical experience:


  1. Stick your tongue out as far as you can, but without forcing it.

  2. Use a soft-bristled toothbrush or a tongue cleaner.

  3. Brush from the inside outward, from the deepest part toward the tip.

  4. Do not scrub in circles, as this only moves bacteria around without removing them.

  5. Avoid reaching the uvula, as it is not necessary for thorough cleaning.

  6. Do it gently, but firmly.

  7. Rinse with an alcohol-free mouthwash to complete the cleaning.


When and how many times a day should the tongue be cleaned?


Ideally, do it at least once a day, preferably in the morning. If you notice an unpleasant taste or are undergoing dental treatment, you can do it twice a day, always gently to avoid irritating the tissues.


What if you cannot tolerate brushing?


Some people have a very sensitive gag reflex. In those cases I recommend:

  • Using a flat tongue cleaner instead of a toothbrush

  • Starting farther forward, without reaching the back, and gradually working your way back

  • Breathing through your nose while cleaning your tongue

  • Doing it quickly but precisely


With daily practice, the reflex diminishes and the process becomes more natural.


Your tongue also speaks about your health


Your tongue is not just responsible for taste and speech. It is also a reflection of your general health. A poorly cared-for tongue may indicate infections, nutritional deficiencies, and even systemic diseases. Neglecting it is like showering without washing your hair: it looks like hygiene, but it is incomplete. As the best dentist in Santo Domingo, I always recommend that my patients include tongue care as an essential part of their daily routine.



Brushing your tongue properly may seem like a minor detail, but its effects on your oral and general health are immense. It is a simple, inexpensive, effective habit that helps you keep your breath fresh, prevent infections, and care for your well-being.

Add this practice today and discover how a small change can dramatically improve your oral health.



Educational notice: this content provides general information and does not replace an individual dental evaluation. Diagnosis and treatment should be determined after a professional assessment.

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