[Health Column] Why Are My Teeth So Discolored? The Various Causes of Tooth Discoloration

 

hello. Director Jeong Jae-wook of Gangnam Saero Dental Clinic no see.

 

The color of your teeth has a greater impact on your first impression than you might think.

There are surprisingly many people who feel that their teeth are getting yellower even though they brush their teeth diligently.

So, I start to worry, “Is it because I can’t manage it?”

However, tooth discoloration is not just a problem of lack of care; it can be caused by a combination of tooth structure and lifestyle habits.

today Let's take a closer look at the causes of tooth discoloration.

 

 

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1. Why do teeth easily become discolored? ?

👋 Even though they appear hard on the outside, teeth have a structure that is vulnerable to pigmentation. .

 

The enamel, the outermost layer of the tooth, appears hard, but In reality, it has very fine gaps (pore structures).

 

Food coloring seeps through these small gaps,
As this process is repeated, it bonds with the tooth surface. coloring may lead to.

 

✔️ So, ‘repeated exposure like a habit’ is more important than one time.
✔️ Even if you eat the same food, there may be differences depending on the condition of the tooth surface.

 

👉 This is where the thought “Why do I look more yellow?” begins.

 

 

 

 

 

2. What types of tooth discoloration are there? ?

👋 Tooth discoloration is broadly divided into 'cases that occur externally' and 'cases that change internally'. .

 

There are two main causes of tooth discoloration.

 

🔹 Exogenous discoloration → Teeth Pigment sticks to the surface Discoloration that occurs

🔹 Endogenous discoloration → Teeth If the color is visible due to a change in internal structure

 

Even though they look like the same 'yellow teeth', The causes can be completely different This is important.

 

 

 

3. Under what circumstances does exogenous discoloration occur? ?

👋 Discoloration is most affected by daily habits. .

 

Extrinsic discoloration is closely related to the actions we repeat every day.

 

🔸 Foods and drinks that cause discoloration

• coffee, tea, wine

• Foods with high pigmentation, such as curry and berries

 

🔸 smoking

• Nicotine and tar components stick to the surface of the teeth.

• Causes brown or dark gray discoloration

• Long-term smoking can cause staining to deepen and become difficult to remove ⚠️

 

🔸 If oral care is not sufficient

• If you don't brush and floss enough,

• As plaque and tartar build up, staining occurs more easily.

 

✔️ Especially When there is tartar The pigment adheres better.

 

 

 

 

 

4. Why does endogenous discoloration occur? ? 

👋 This is when changes inside the teeth are visible on the outside. .

 

Endogenous discoloration is relatively In cases where it is difficult to resolve through management alone There are many.

 

🔹 aging

• As we age, our enamel becomes thinner.

• The yellow color of the inner dentin may show through.

 

🔹 dental trauma

• If your teeth are damaged by falling or hitting something

• Internal nerves may be damaged and may change color over time.

 

🔹 Taking certain medications during growth

• When taking tetracycline antibiotics during growth

• Tooth discoloration may occur

In this way, endogenous discoloration Changes in tooth structure and time It is better to understand it as .

 

 

 

❓ FAQ

 

Q1. Do my teeth turn yellow right away when I drink coffee? ?

A1. Discoloration will not occur immediately after one or two intakes.
However, repeated consumption may cause pigments to accumulate and lead to discoloration.
Discoloration may occur more easily, especially when consumed with acidic beverages.

 

Q2. Why is the border between the teeth and gums particularly dark? ?

A2. This area is difficult to reach with a toothbrush and is prone to tartar and plaque buildup.
As the surface becomes rougher, pigmentation may become more noticeable.

 

Q3. Can whitening toothpaste address the cause of discoloration?

A3. Whitening toothpaste Light coloring on the surface It may help with relief.
However, there are limitations to resolving changes in the internal color of teeth or deep staining.

 

 

 

📝 conclusion

 

✔️ Tooth discoloration can happen to anyone.
✔️ It's not just a problem caused by eating certain foods.
✔️ Tooth structure, lifestyle habits, oral care, and the passage of time all work together.

 

Therefore, rather than assuming that “yellow = same cause”,
The process of understanding what causes my teeth to discolor This is important.

 

If discomfort or concerns persist, Check your current status through expert consultation
Finding a management direction that suits you may be one way to do so.

 

Next time How to manage tooth discoloration I will tell you more about it later.

 

 

Gangnam Saero Dental Clinic

Director Jeong Jae-wook

Ministry of Health and Welfare, Dental Prosthodontics Specialist

Graduated from Yonsei University College of Dentistry

Graduated with a master's degree from Yonsei University School of Dentistry

Intern at Yonsei University Sinchon Severance Hospital , Prosthodontics Residency Completion

Korean Academy of Prosthodontics, recognized and full member

Korean Society of Oral and Maxillofacial Implantology (KAOMI) Premium Member

Regular member of the Korean Society of Temporomandibular Joint and Occlusion

Full member of the Korean Academy of Aesthetic Dentistry

jeon ) Adjunct Professor, Yonsei University College of Dentistry

jeon ) Former Director of Yonsei Good Day Dental Clinic Yangjae Branch

hyeon ) Korean Academy of Prosthodontics, Board of Review , Expert Committee/Academic Affairs Committee

hyeon ) Korean Society of Oral and Maxillofacial Implantology (KAOMI) Director of Academic Planning

 

 

 

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