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Dry Mouth Can Easily Lead to Root Caries!!

Seoul Bardi Dental Clinic · ✅ 강동구 상일동역 서울바르디치과 · February 25, 2025

Hello~ I’m Lee Juri, the CEO and head doctor of Seoul Bardi Dental Clinic!!! As you get older, your teeth become drier and the amount of saliva secreted in the mouth also decreases...

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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: Seoul Bardi Dental Clinic

Original post date: February 25, 2025

Translated at: April 20, 2026 at 5:49 PM

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

Hello~

I’m Lee Juri, the CEO and head doctor of Seoul Bardi Dental Clinic!!!

As you get older, your teeth become drier and the amount of saliva secreted in the mouth also decreases.

So the part you should not overlook is the neck area of the tooth!!

When your mouth gets dry, your throat feels dry too, but cavities can also develop more easily on your teeth~

Dry mouth can easily lead to root caries!!

Today, I’ll talk about root caries, which is also called “senile cavities”~!!

Dry Mouth Can Easily Lead to Root Caries!! image 1 Dry mouth makes your throat dry and cavities form easily!!

As saliva secretion decreases with age, the symptom of a dry mouth is referred to as xerostomia.

Saliva not only helps protect the inside of the mouth, but also helps cleanse food particles.

The more severe the dry mouth, the easier cavities can formㅠㅠ

As people age, salivary gland function naturally declines, which reduces saliva secretion,

so you should increase your water intake!!

Eating plenty of fresh vegetables and fruits also helps.

Quitting smoking and drinking is essential...

Let’s be careful of root cavities in older adults (root caries)!!!

Dry Mouth Can Easily Lead to Root Caries!! image 2 240408

Root caries is a cavity that develops at the boundary between the tooth root and the gums~

As people get older, the gums recede, which makes the teeth look longer,

and food gets stuck more easily between teeth, which increases the likelihood of root cavities.

If the mouth is dry, the cleansing ability is reduced, making it even more likely!

Dry Mouth Can Easily Lead to Root Caries!! image 3 240408

The problem is that because the location is near the neck of the tooth, as it progresses, the crown part can suddenly snap off..

Black cavities are not aesthetically pleasing, but because the tooth can break, prompt treatment is needed!

Dry Mouth Can Easily Lead to Root Caries!! image 4 240408

The problem is... even if the cavity progresses, it does not hurt.

One of the signs of aging is that nerves also narrow.

Calcification happens too~

Dry Mouth Can Easily Lead to Root Caries!! image 5 240521 Take a look at how narrow the root canal has become~~

Because the tooth nerves that feel sensation become hardened and blocked, even if the cavity has progressed a lot,

it may feel tolerable.. or not hurt..

and then patients come in only after the problem has become severe.

Another issue is that there is no pain, but the cavity progresses quickly.

The root area has a thin layer of hard enamel~

Dry Mouth Can Easily Lead to Root Caries!! image 6 The gums become thinner toward the root ㅠㅠ

How to treat root caries

The treatment method for root cavities is also not very different.

If the cavity area is small, it is treated with resin,

but if the area is wide and the cavity is large,

root canal treatment may also be necessary,

and the tooth must be fully covered with a prosthetic restoration.

Dry Mouth Can Easily Lead to Root Caries!! image 7 240617

The patient who visited Seoul Bardi Dental Clinic today had multiple root caries due to dry mouth.

Because they came in late, the condition was severe (there were already teeth that had brokenㅠㅠ)

and after root canal treatment, prosthetic treatment was the only option.

Today’s conclusion

If dry mouth is severe, the risk of cavities also increases.

As people age, saliva secretion decreases, so drink plenty of water

and visit the dentist once a year!!!

| This post was written directly by Seoul Bardi Dental Clinic for the purpose of providing medical information and promoting the clinic, in compliance with Article 56, Paragraph 1 of the Medical Service Act. The information provided is for reference only, and for understanding your symptoms and receiving accurate guidance on management methods, please visit a medical institution and consult with medical professionals. All procedures/surgeries performed at the dental clinic may involve risks such as inflammation, bleeding, and swelling depending on the individual. Please make decisions after sufficient consultation with medical staff in advance. The treatment cases in this post were photographed with the consent of patients who completed treatment at our clinic, and the before-and-after photos were taken under the same conditions. |

#drymouth #rootcaries

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