[Health Column] Worried about yellow teeth? A comprehensive guide from the principles and types of teeth whitening to finding the right results for you.

 

 

hello. Seoul Dia Dental Clinic Chief Director Lee Jeong-ho no see.

 

✨ Have you often felt troubled and unable to smile broadly because of your unusually noticeable yellow teeth whenever you look in the mirror?

 

Much more people than you might think suffer from stress due to tooth discoloration. However, when you actually try to look into teeth whitening, you may have felt confused by the sheer volume of information available, ranging from professional whitening and at-home whitening to whitening toothpaste.

 

If you read this article, you will be able to easily and perfectly understand everything about complicated teeth whitening!

 

 

1️⃣ Why do teeth turn yellow?

Tooth discoloration is broadly divided into two types: external factors (extrinsic) and internal factors (endogenous).

 

So why does this happen? Before understanding the principles of whitening, it is important to first identify the reasons why teeth become discolored.

 

 

🔹 1. Exogenous discoloration (external factors)

 

🔸 This is discoloration caused by the accumulation of staining substances on the surface of the teeth.

🔸 It occurs most commonly in people who frequently enjoy dark-colored foods and beverages such as coffee, black tea, red wine, and curry.

🔸 Smoking is also a key culprit, as nicotine and tar stick to the surface of teeth and cause them to turn yellow and brown.

 

 

🔹 2. Endogenous discoloration (internal factors)

 

🔸 This refers to cases where the inside of the tooth itself is deeply discolored.

🔸 This applies to cases where teeth are naturally dark, discoloration caused by taking tetracycline antibiotics, or teeth that have darkened after root canal treatment.

 

⚠️ The whitening effect for such intrinsic discoloration may be somewhat limited compared to external discoloration.

 

📌 "If the surface of your teeth has become discolored due to your regular coffee or cigarettes, it is highly likely to be extrinsic discoloration!"

 

 

 

2️⃣ Teeth Whitening: How Does It Make Them Whiter? 🔸

It is a principle in which teeth whitening ingredients penetrate deep into the teeth and safely break down stained pigment molecules.

 

Many people worry that teeth whitening involves grinding down their teeth. That is absolutely not the case!

 

🔹 Teeth whitening primarily uses an oxidizing agent component called hydrogen peroxide (H₂O₂) or carbamide peroxide.

🔹 This ingredient passes through the enamel on the tooth surface and safely penetrates to the inner dentin.

🔹 The penetrating ingredient works by breaking down the tightly clumped pigment molecules into smaller pieces.

 

 

💡 A common example to help with understanding! It is easy to understand if you think of it as being very similar to the principle of making stained white clothes clean and white with bleach. However, the difference is that, since it is used on precious teeth, it is used safely and controlled at a much lower concentration than fabric bleaching.

 

 

 

3️⃣ What type of teeth whitening is right for me? 🔹

There is a wide variety, ranging from fast and effective professional whitening to self-whitening at home and whitening toothpaste for maintenance.

 

I will explain the three types in detail so that you can choose the one that best suits your current situation and lifestyle.

 

 

1. Professional teeth whitening (performed at a dental clinic)

 

✔️ You can expect fast and 확실 results by using high concentrations of whitening ingredients.

✔️ Since the procedure is performed directly by experts such as dentists, it is conducted safely without worrying about side effects.

✔️ In particular, the One-Day Professional Whitening allows for three consecutive whitening sessions in just one visit, making it very effective for busy professionals or those with tight schedules in terms of saving time.

 

 

2. At-home whitening (performed at home)

 

✔️ This is a method where you have a custom-made tray (template) made at the dental clinic, and then apply the whitening agent yourself at home and wear it.

⚠️ Since it uses ingredients at a relatively lower concentration than professional whitening products, you usually need to use it consistently every day for about 1 to 2 weeks to see noticeable results.

 

 

3. Whitening toothpaste (daily care)

 

✔️ Strictly speaking, it is closer to 'stain removal' than whitening that brightens the inside of the teeth.

✔️ The principle is to physically wipe away stains on the tooth surface using abrasive ingredients rather than the whitening ingredients themselves.

✔️ Those who feel their teeth have become whiter with toothpaste alone often find that they have returned to their original tooth color, and the effect of brightening the teeth themselves is somewhat limited.

 

 

4️⃣ Are there cases where whitening is not effective? 🔸

Whitening effects will not be observed in cases of dental prosthetics or severe specific intrinsic discoloration.

 

Before blindly undergoing the procedure, you need an example to first check if your teeth are in a condition to benefit from it.

 

⚠️ Teeth whitening is a treatment that works only on stained 'natural teeth'.

Therefore, whitening ingredients cannot penetrate prosthetics such as crowns, laminates, and resins, so the color does not change.

⚠️ In addition, deep discoloration caused by internal factors, such as tetracycline staining, may be very difficult to resolve with general whitening treatments alone.

 

📌 If you have many dental prosthetics or suspect congenital discoloration, a thorough consultation with a skilled specialist must be conducted before treatment!

 

 

FAQ

 

Q1. Will teeth whitening damage or wear down my teeth?

 

A1. To start with the conclusion, teeth whitening performed at safe concentrations under the accurate diagnosis of a professional is absolutely not a treatment that grinds down or thins the teeth. The whitening agent does not remove tooth structure but only breaks down the staining pigments on the surface. You may experience temporary sensitivity immediately after the procedure, but in most cases, this naturally disappears over time.

 

Q2. Does teeth whitening last a lifetime with just one treatment?

 

A2. No. Since teeth whitening is not a permanent treatment, discoloration may recur over time due to everyday food. The duration of the results varies depending on individual dietary habits and smoking habits, and regular check-ups and maintenance are very helpful for maintaining a bright and clean color for a long time.

 

 

 

conclusion

 

✔️ Tooth discoloration is classified into extrinsic caused by everyday food and endtrinsic caused by medication or root canal treatment.

✔️ Teeth whitening does not remove teeth, but works on the principle of safely breaking down pigments using oxidizing agents.

✔️ The whitening effect does not appear on prosthetics such as crowns and laminates.

 

Teeth whitening should begin with accurately understanding the causes of your tooth discoloration and your oral condition, rather than blindly following trendy home care products.

 

Since the expected results of the same procedure can vary depending on the condition of your teeth, if you wish to maintain a bright smile safely and satisfactorily for a long time, we strongly recommend that you select the correct care method that is perfectly suited to you through a thorough diagnosis and consultation with medical professionals who have extensive clinical experience.

 

 

 

 

 

 

 

 

 

Seoul Dia Dental Clinic

Chief Director Lee Jeong-ho

 

Ministry of Health and Welfare Certified Specialist in Integrated Dentistry

Seoul National University Graduate School of Dentistry Advanced Dentistry procedure

university High-end implants Dentistry procedure

Oral Design Uncensored laminate course

American Academy of Implant Dentistry (AAID) Regular member

Osstem Implant Clinical Research Center Research Advisory Committee

 

 

 

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