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To Those of You Who Don’t Really Know How to Brush Your Teeth (The Right Way to Brush)

Gangnam Saero Dental Clinic · 강남새로치과 공식블로그 · June 23, 2025

Preventing Overtreatment by Preventing Cavities To Those of You Who Don’t Really Know How to Brush Your Teeth The Right Way to Brush Brushing has been a habit since childhood, so m...

AI translation notice

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: Gangnam Saero Dental Clinic

Original post date: June 23, 2025

Translated at: April 20, 2026 at 4:14 PM

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

To Those of You Who Don’t Really Know How to Brush Your Teeth (The Right Way to Brush) image 1

Preventing Overtreatment by Preventing Cavities

To Those of You Who Don’t Really Know How to Brush Your Teeth

The Right Way to Brush

Brushing has been a habit since childhood,

so many people feel that the method is not difficult.

Brushing by holding the toothbrush upright, not brushing with the brush laid horizontally, brushing with gentle rather than strong pressure, brushing all the way to the tip of the tongue,

just knowing these basic methods is enough,

but if you are careless,

you may end up corroding your teeth instead.

The Right Way to Brush by Food Type

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After eating,

bacteria in the mouth proliferate

within 20 minutes to 1 hour,

so the basic rule is to brush right away,

but did you know that depending on the food,

brushing immediately may be fine

or may be bad for your teeth?

The Right Way to Brush: Brush Immediately

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Foods high in sugar,

such as chocolate, cake, and snacks,

are best brushed off immediately after consumption.

Fruit and fruit juice are also

high-sugar foods,

so you should brush immediately after consuming them.

Foods containing tannins,

which have a bitter and astringent taste,

such as coffee, black tea, and wine,

should also be brushed off immediately after consumption.

This is because sugar activates the activity of bacteria in the mouth

and creates conditions favorable for cavities to develop.

For reference, tannins are

also known to cause tooth discoloration.

The Right Way to Brush: After 30 Minutes

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Acidic foods,

such as carbonated drinks, beer, and vinegar,

are best brushed after 30 minutes.

Acid makes the mouth more acidic,

corroding the thin layer coating the tooth surface.

If you brush right away in this state,

the acid and the abrasive ingredients in toothpaste

can react and corrode the teeth.

If you still want to brush quickly because it feels unpleasant,

it is recommended that you rinse your mouth with water first.

The Right Way to Brush: After 1 Hour

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Foods with high acidity,

such as yogurt and sports drinks,

should be brushed after 1 hour

for the same reason.

The Right Way to Brush: Preventing Cavities

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The reason proper brushing is important

is to prevent cavities,

and the reason preventing cavities is important

is that it can help prevent overtreatment.

Cavities, which mean decayed teeth,

are a state in which the teeth have been eroded and damaged,

and since this applies to 85.7% of people,

you can see that preventing cavities is not easy.

In addition, tooth corrosion can lead to

pain, tooth sensitivity, and broken teeth,

making it easy to become a subject of overtreatment,

so the right way to brush is something you should definitely know.

Cavity Treatment Methods

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It was said that cavities apply to 85.7% of people,

because even if you brush,

it is impossible for the number of bacteria in the mouth to always converge to zero.

If a cavity develops,

the only possible treatment is to remove the decayed area

and fill it with a restoration.

Depending on the extent of the decay,

the treatment methods progress from smallest to largest as follows:

resin > inlay > onlay > crown

The materials used are:

resin

(used for resin treatment and inlay treatment)

ceramic, PFM, zirconia, gold

(used for inlay, onlay, and crown treatment)

Gangnam Station Cavity Treatment

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Gangnam Station Newro Dental Clinic, which follows the principle of preserving natural teeth

Gangnam Station cavity treatment

It diagnoses only cavities that need treatment,

does not force same-day treatment,

and even when the decay is extensive

and the area that must be removed is large,

it treats in a way that preserves as much of the natural tooth as possible.

Even when crown treatment is not possible,

it strives to preserve the natural tooth until the very end

by using apicoectomy and tooth reimplantation.

A new smile

A new beginning

This is Gangnam Newro Dental Clinic, which insists on principles.

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