
Seoripul Dental Clinic, How Does Extraction Work in Lower Teeth Partial Orthodontics? 3 Ways to Create Space Explained by a Dentist with 16 Years of Experience (Including Side Effects and Precautions)
Hello. I am Kim Han-gyeol, director of Smile View Dental Clinic, where we design the most natural smile for your face.
Are you reading this because you are concerned about tooth extraction for partial orthodontic treatment of your lower teeth?
You may want to straighten your crooked lower teeth while wondering whether extraction is really necessary.
When I meet patients in the clinic, I consider the following three principles important.
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Rather than looking only at the teeth, I consider the harmony of the entire face to design the most natural smile.
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As a specialist in comprehensive dentistry, I diagnose dental conditions from various perspectives, including orthodontics, veneers, and cavities, and recommend only the treatment that is necessary.
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Because I understand better than anyone how frightening dental treatment can feel, I provide sufficient explanations to help you feel reassured during treatment.
Based on this treatment philosophy, today I will clearly answer your questions about “extraction for partial orthodontic treatment of the lower teeth.”
“My lower teeth are crooked, and I want partial orthodontic treatment… Do I really have to have a tooth extracted?”
Many people ask this question.
To give you the conclusion first, the focus should be less on “whether to extract or not” and more on “why there is not enough space and how to create it.”

Changing the Question Reveals the Answer: Extraction vs. Non-Extraction
Crooked lower teeth mean that there is not enough space for the teeth to be properly aligned.
Therefore, the key to partial orthodontic treatment is “how to create space for the teeth to move.”
Many people think only of “extraction” as a way to create space, but there are actually several methods.
- Interproximal reduction (IPR): The sides of the teeth are carefully trimmed within a range that is harmless to the body (0.2–0.5 mm) to create space.
This is mainly used when the lack of space is not severe.
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Dental arch expansion: The dental arch of the narrowed lower jaw is widened sideways to create space.
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Posterior movement of the arch: The molars are moved backward to create space for the front teeth to align.
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Extraction: This is considered when it is difficult to create sufficient space using the methods above or when improvement of protruding lips or teeth is needed.
As you can see, extraction for partial orthodontic treatment of the lower teeth is only one of several options, not the only solution.
It is important to comprehensively analyze the patient’s dental condition, jawbone size, and facial structure to establish the most appropriate plan for creating space.

Why You Should Not Look Only at the Lower Teeth: The Importance of the Upper and Lower “Bite”
If you think of partial orthodontic treatment simply as “straightening a few front teeth,” you may encounter unexpected problems.
The issue is the “bite.”
Our teeth perform important functions, such as chewing food and producing speech sounds, as the upper and lower teeth come together.
What happens if the teeth are forcefully pushed or moved forward to correct crooked lower teeth?
The upper and lower teeth may collide every time you eat. (Bite interference)
This can place strain on the jaw joints.
The teeth may also be more likely to move back toward their original positions after orthodontic treatment (relapse).

This is why the overall bite relationship must be checked before deciding whether extraction is needed for partial orthodontic treatment of the lower teeth.
A precise diagnosis must first determine whether the case can be resolved with partial orthodontic treatment alone or whether comprehensive orthodontic treatment is necessary. Only then can a satisfactory result be expected.

Extraction for Partial Orthodontic Treatment of the Lower Teeth May Be Considered in These Cases
So, in what situations might extraction be considered?
- When there is an absolute lack of space
This applies when the crowding is so severe that it is impossible to create enough space for the teeth to align through interproximal reduction or dental arch expansion alone.
If treatment is forced to proceed without extraction, side effects may occur, such as the teeth being pushed outside the jawbone and the gums receding.

- When you want to improve protruding lips
When the lower teeth tilt forward and make the lips appear protruded, space can be created through extraction and the front teeth can be drawn backward, potentially improving appearance.
In this way, extraction for partial orthodontic treatment of the lower teeth can affect not only tooth alignment but also the appearance of the facial profile.

- When a stable bite needs to be established
If the current bite is highly unstable and it is determined that forming a new bite relationship through extraction would be more stable in the long term, orthodontic treatment involving extraction may be planned.
Conclusion: “Harmony” Is More Important Than Straightness
When considering partial orthodontic treatment for the lower teeth, the question of “whether to extract or not” may be an overly limited one.
More important is to accurately diagnose your oral condition and establish the optimal treatment plan while considering harmony with your entire face.

I believe that the patients who regularly fly in from Jeju Island for orthodontic treatment, as well as those who came to us with confidence through actor Dong Hyun-bae’s introduction, do so because they trust the treatment philosophy of Smile View Dental Clinic.
Rather than focusing narrowly on a single tooth or the question of extraction for partial orthodontic treatment of the lower teeth, we will work with you to consider ways to improve your overall smile and quality of life.
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| Smile View Dental Clinic near Sinnonhyeon Station |
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| Monday–Wednesday, Friday (10:00–18:30), Saturday (10:00–15:00) * Closed Thursdays, Sundays, and public holidays |
| TEL : 0507-1398-7529 |

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