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Proper Tooth Brushing: When You Know the Right Way, Your Dental Health Changes

LUCID Dental Clinic · 루시드치과 · November 25, 2025

​ Hello. This is Lucid Dental Clinic. Brushing your teeth every day may make it seem like you can just do it the same way as always, but in reality, many people repeat incorrect ha...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: LUCID Dental Clinic

Original post date: November 25, 2025

Translated at: April 20, 2026 at 6:48 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

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Hello. This is Lucid Dental Clinic.

Brushing your teeth every day may make it seem like you can just do it the same way as always, but in reality, many people repeat incorrect habits.

Tooth brushing is the most basic and also one of the most important ways to care for your teeth and gums. It must be done with the proper method, for enough time, and with the right tools for the effects to show.

Today, I’ll organize the proper brushing method you can practice every day, step by step. In particular, I’ve also included the 3-3-3 rule, the Bass method, and criteria for choosing a toothbrush, which many people are curious about.

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Why is proper tooth brushing important?

The purpose of brushing is not simply to make your mouth feel fresh, but to remove plaque. This plaque is a mass of bacteria that is not easily visible to the naked eye, and if it is not brushed away properly, it can cause the following problems.

▪️ Cavities

▪️ Gum inflammation

▪️ Progression of periodontal disease

▪️ Bad breath

▪️ Gum bleeding and gum swelling

In particular, gums are very delicate tissue, so they can be easily damaged if you rub too hard or brush carelessly for only a short time.

Proper tooth brushing is a balanced care method that keeps teeth clean while protecting the gums.

Basic principles of brushing: when, how long, and how?

▪️ Brush for at least 2 minutes, carefully cleaning each tooth surface Most people brush for only about 30 seconds to 1 minute. However, it takes at least 2 minutes to thoroughly brush all of your teeth, and you should approach it as if you are brushing each individual tooth surface.

▪️ Do not brush too hard Brushing harder may feel cleaner, but it can cause gum recession or cervical abrasion. Brushing with gentle pressure and small movements is much more effective.

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The key to proper brushing: the 3-3-3 rule

The well-known 3-3-3 rule may seem simple, but it is a very practical guideline.

Brush 3 times a day

▪️ After breakfast

▪️ After lunch

▪️ After dinner

Brushing before bed is especially the most important brushing of the day. That is because saliva production decreases during sleep, allowing bacteria to become most active.

Brush within 3 minutes after eating After meals, food debris and the acidic environment can weaken your teeth, and brushing within 3 minutes can help reduce bacterial growth.

Brush carefully for 3 minutes This gives you enough time to evenly clean all surfaces of the teeth (outer, inner, and chewing surfaces).

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The Bass method for protecting the gums

The gum-care-focused brushing method recommended by experts is the Bass method. It may be especially helpful for people whose gums often swell or bleed.

Steps of the Bass method

  1. Place the toothbrush at a 45-degree angle to the gum line.

Make sure the bristles touch the boundary where the teeth and gums meet.

  1. Move it gently left and right with a small vibrating motion Not with strong movements, but with the feeling of giving very small vibrations.

  2. Sweep so the bristles draw plaque out from under the gums For the upper jaw, sweep from top to bottom; for the lower jaw, from bottom to top.

  3. Repeat the same method on the inner surfaces of the teeth

  4. Finish by lightly brushing the chewing surfaces back and forth

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Criteria for choosing a toothbrush: what kind is good?

Choosing a toothbrush is as important as proper brushing.

  1. Choose soft bristles Bristles that are too firm can irritate the gums and wear down the tooth surface. Most people are fine with soft or ultra-soft.

  2. Choose a small, slim head If the toothbrush head is too large, it is difficult to clean every corner. A smaller head makes it easier to reach behind the canines and the inside of the molars.

  3. Choose a handle that does not slip In particular, the Bass method relies on small vibrations, so a handle that can be held steadily is better.

  4. Replace the toothbrush every 2 to 3 months Once the bristles begin to splay, their ability to remove bacteria decreases. Even before this is visible, regular replacement is necessary.

How should you choose toothpaste?

It is better to choose toothpaste based on ingredients and purpose rather than scent or how it feels.

▪️ Fluoride toothpaste: helps prevent cavities ▪️ Sensitive toothpaste: helps relieve tooth sensitivity ▪️ Breath-care toothpaste: for concerns about bad breath

Toothpastes that claim specific effects can vary depending on each person’s condition, so it is safest to consistently use a product that is not very irritating.

Additional care that is good to do besides brushing

  1. Use interdental brushes and dental floss A toothbrush alone removes only about 60% of plaque between teeth. To care for the remaining spaces, you should definitely use dental floss or interdental brushes as well.

  2. Use a tongue cleaner Many bacteria also gather on the surface of the tongue, which can cause bad breath. Gently scraping it after brushing makes your mouth feel much fresher.

  3. Drink water often If your mouth is dry, bacteria multiply faster. Adequate fluid intake helps dental health.

  4. Get regular scaling checkups Tartar that is difficult to remove with a toothbrush should be managed through regular scaling.

Common bad habits when brushing

▪️ Rubbing too hard ▪️ Brushing by sweeping only left and right ▪️ Cleaning only the outer surfaces of the teeth and brushing the inner surfaces carelessly ▪️ Using a toothbrush for more than a year

These habits can cause gum damage or oral problems, so it is important to change them to the proper method.

When you practice proper tooth brushing, things change.

Brushing is a small action repeated several times a day, but its effect is very large. If you care for your teeth correctly every day, you can experience changes such as cavity prevention, reduced gum bleeding, improved plaque and bad breath, and better overall oral health.

Lucid Dental Clinic places importance on helping patients manage their oral health properly at home as well.

We hope you will consistently practice proper tooth brushing to keep your teeth and gums healthy.

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