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Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant

Yonsei Dagam Dental Clinic · 치과의사 서호연의 행복한 치아 · September 30, 2025

Hello. This is Director Seo Hoyun from Yonsei Dagam Dental Clinic, located near Garak Market Station. After crown treatment is completed, many people assume that since the tooth is...

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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: Yonsei Dagam Dental Clinic

Original post date: September 30, 2025

Translated at: April 20, 2026 at 2:29 PM

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

Hello.

This is Director Seo Hoyun from Yonsei Dagam Dental Clinic, located near Garak Market Station.

After crown treatment is completed,

many people assume that since the tooth is now covered by a prosthesis,

no cavities will develop and there will be no more problems.

It is common to encounter this belief. A crowned tooth is not something that can be used forever without problems. All treatments are not permanent, and their lifespan varies depending on how they are maintained!

If prostheses are well cared for,

they can be used for more than 10 years,

but if they are not properly maintained,

problems can return in less than 5 years.

Just as even a good car breaks down quickly if it is not maintained, prostheses also require continuous care.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 1

The inside of a prosthesis is often difficult to detect because it does not show clearly even on X-rays.

Therefore, the area that needs careful attention is between the prosthesis and the gum.

As marked by Garak Market Station Dental Clinic,

cavities or periodontal disease often develop in this area,

even if the visible area does not seem large,

the problem can progress severely on the inside.

Root caries refers to cavities that develop in the root area of the tooth below the gum line.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 2

When root caries is observed,

the entire prosthesis needs to be removed and the exact condition of the tooth must be reassessed.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 3

If root caries is severe,

tooth extraction becomes unavoidable.

A crown is one of the treatments used when the crown portion of a tooth is damaged,

but if decay reaches the root,

it becomes impossible to place a prosthesis.

The area is difficult to treat from the start, and even if resin treatment or root canal treatment is performed,

the prognosis is not good because the risk of reinfection is high.

At Garak Market Station Dental Clinic,

preserving the tooth is the first priority,

but if preservation is not possible,

extraction may be the preferable choice for oral health.

This is because leaving an infected tooth in place can damage surrounding bone and tissue,

which may cause even greater problems later.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 4

When a tooth is extracted, to restore the missing area,

many people choose restoration with an implant, which can reproduce the function of a natural tooth with a high likelihood.

Through an immediate implant procedure,

placing the implant in the site where the natural tooth used to be can help promote faster recovery.

This method has the advantage of minimizing bone loss and shortening the treatment period.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 5

During treatment, cavities were also found on the adjacent surface of the area next to the crowned tooth,

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 6

so after treatment, a new crown was made again in order to preserve the natural tooth as much as possible.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 7

Even if you have been treated with an implant,

it does not mean that you can neglect maintenance.

The maintenance period of any treatment can vary greatly depending on how well you take care of it.

Implants, unlike natural teeth, do not develop cavities,

but you should not overlook the fact that periodontal disease can still occur around the prosthesis.

What Garak Market Station Dental Clinic emphasizes is that all prostheses require careful care, just like natural teeth.

Artificial teeth do not mean no care is needed;

in fact, they require even more delicate attention.

Older prostheses in particular require careful maintenance and may also need replacement.

The gums naturally recede as we age,

and as the oral environment changes accordingly,

prostheses may need to be replaced.

For crowns, the recommended replacement interval is about 10 years.

Of course, depending on maintenance,

they may last longer or need to be replaced sooner.

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 8

As old prostheses and receding gums create a gap between the prosthesis and the gums,

it is like wind coming through the gap in an old window,

and food becomes trapped more easily.

The more food that keeps getting stuck,

the higher the likelihood of deep cavities developing.

Therefore, when this happens frequently, Garak Market Station Dental Clinic considers it a situation in which replacement is needed. To use prostheses for a long time, regular checkups are essential. Receiving X-ray examinations once every 6 months and responding as needed after early detection is very helpful.

Daily oral hygiene is also important, so when brushing, you should clean between the teeth and below the prosthesis as well.

At that time, it is good to use a soft toothbrush and gently brush the area between the prosthesis and the gums at a 45-degree angle.

It is also important to use dental floss or interdental brushes to keep the spaces between the teeth and around the prosthesis clean.

In particular, bridges are difficult to maintain with regular dental floss,

so special floss or a Waterpik can be used.

A prosthesis is a valuable treatment that replaces a natural tooth.

However, please always remember the point emphasized by Garak Market Station Dental Clinic:

that it is not permanent,

and I hope you can maintain a healthy mouth for a long time :)

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 9

25.06.25~25.09.29

Why Cavities or Gum Disease Can Develop in Areas That Have Had Prosthetic Treatment Such as Crowns or Bridges: Garak Market Station Dental Clinic, When Root Caries Occur, Tooth Extraction Followed by Implant image 10

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