[Health Column] Is Non-Extraction Correction for Protruding Mouth Possible with Invisalign? Checking with Actual Treatment Cases

 

Hello! ✨ Jo Byeong-ju, Chief Director of Nowon Shine Orthodontics Dental Hospital, a board-certified orthodontist with 16 years of experience no see.

 

Hello! I am Cho Byung-joo, a board-certified orthodontist with 16 years of experience and the Chief Director of Nowon Shine Orthodontics Dental Hospital. 😊

 

Is it possible to make the protruding mouth go back in without extracting teeth?

 

This is the question most frequently asked by the countless patients visiting the clinic concerned about protruding lips! 💭

 

Today, I would like to introduce a real-life case of a female patient in her 20s who was concerned about protruding front teeth and improved both her appearance and bite using Invisalign without tooth extraction. ✨

 

not extracting teeth Non-extraction posterior movement I will explain the process and the conditions under which it is possible in an easy-to-understand way, so please read through it carefully! 📌

 

1️⃣ Why is correction necessary for 'labial inclination' where the front teeth protrude?

If your front teeth protrude forward, it can cause gum damage and occlusal instability.

 

For example, at the time of the visit, a female patient in her 20s had her front teeth tilted forward beyond the normal range. 'Protrusion of the front teeth' It was in that state.

 

Because the teeth were angled outward like this, the lips were pushed out along with them, making the mouth appear protruded from the side profile. 😮

 

If you leave this state as it is, it will not only cause cosmetic inconvenience.

 

If the front teeth protrude excessively, the force is excessively concentrated only on the front teeth when chewing food. Teeth may wear down quickly or damage the gums, and the overall bite (occlusion) is also prone to becoming unstable. 💦

 

 

🔹 Core Goal of Treatment

 

It involves moving the molars backward little by little to create space, and then using that space to properly restore the angle of the protruding front teeth to the normal range.

 

💡 When the angle of the front teeth is properly set, the bite of the molars also tends to stabilize calmly, so they are closely connected!

 

👉 If you are one of these people, check this out!
If you feel like you are applying force only to your front teeth when chewing food, or if you are self-conscious about your lips protruding from your profile, it may be time for a professional diagnosis of your tooth angles. 🩺

 

2️⃣ How is 'non-extraction posterior movement' designed?

🦷 The key is the meticulous design of the tooth movement stages and an auxiliary device that blocks reaction.

 

Non-extraction orthodontic treatment for protruding teeth is not simply a matter of blindly pushing the protruding front teeth inward.

 

Only by meticulously designing the stages of tooth angle change and root movement in the correct sequence can stable posterior movement be achieved without straining the gums. 🛠️

 

 

🔹 Customized treatment design for this case

 

✨ Miniscrew implantation
A total of four mini-screws were safely implanted, two in each of the upper and lower gum bones.

 

🔗 Rearward pulling force transmission
We attached rubber bands to the implanted miniscrews and applied force to gradually pull the entire molar backward.

 

🛡️ Complete blockage of reaction
By firmly connecting the mini-screws and the back teeth with stainless steel wire, we blocked the unwanted reaction where the front teeth are pushed further forward during backward movement.

 

⚠️ A quick tip!

 

Acting as an anchor If you attempt posterior movement without an 'indirect anchorage,' the reaction force may push the front teeth further forward, potentially worsening the protrusion!

 

Therefore, design know-how regarding which auxiliary devices to use, where to place them, and how to position them becomes a key factor in determining treatment outcomes. 💡

 

3️⃣ Protruding mouth correction without tooth extraction, how did the actual results change?

As the angle of the teeth was restored to its proper state, the protrusion around the mouth was naturally alleviated.

 

As non-extraction posterior movement treatment using Invisalign and miniscrews was performed, pleasant changes came to the patient's teeth and facial contours. ✨

 

 

🔹 Summary of major changes before and after treatment

 

item	change
Improvement of front tooth angle	The front teeth, which were excessively protruding outward (anterior labial inclination), moved backward and returned to a natural and normal angle.
Posterior occlusal stability	The unstable overall bite condition led to the restoration of a balanced occlusal relationship through the posterior movement of the molars.
Relief of the profile and mouth shape	As the front teeth moved slightly back, the protrusion around the mouth was gently softened, and the lips now close much more comfortably and naturally. 💖

 

📢 ※ caution: Since the results of orthodontic treatment may vary depending on the individual patient's bone condition (skeletal state) and tooth alignment, precise consultation with a specialist is essential.

 

 

💬 Frequently Asked Questions

Q1. Is tooth extraction always necessary when correcting a protruding mouth?

 

A. No! 🙅‍♂️ If the dental and skeletal conditions are well-matched and supported by a meticulous treatment plan to secure space to move the molars backward, sufficient improvement can be achieved through 'non-extraction posterior movement' without tooth extraction. However, this does not apply to all cases, so an accurate and precise diagnosis must be performed beforehand.

 

Q2. Are miniscrews really necessary for non-extraction posterior movement?

 

A. Yes, it plays a very important role! Mini-screws act as a reliable 'anchor.' If you try to push the teeth backward without an anchor, the front teeth may unexpectedly shift forward, leading to severe protrusion. Mini-screws are a safe auxiliary device that prevents this reaction.

 

Q3. Is non-extraction posterior tooth movement really possible with clear aligners like Invisalign?

 

A. Yes, it is possible! 👏 However, due to the nature of clear aligners, the process of securing anchorage points must be precise. Therefore, the key to success lies in how auxiliary devices such as miniscrews and wires are combined and designed. For this reason, we recommend receiving treatment from an orthodontist with extensive clinical experience in clear aligners.

 

🏁 Conclusion & Summary

🦷 For non-extraction posterior movement, a precise diagnosis tailored to you is the top priority.

 

Non-extraction posterior movement, which improves protruding teeth without extraction, is certainly an attractive treatment method in that it allows for tooth preservation.

 

However, it is also a highly complex treatment that requires well-established skeletal conditions of the teeth and gum bone, as well as precise calculation of the movement path. 🌿

 

Therefore, rather than simply saying, "I absolutely want to do this without extracting any teeth," It is of the utmost importance to find a hospital that can objectively analyze my current dental alignment and skeletal condition.

 

If you are hesitating about orthodontic treatment due to concerns about a protruding mouth, start with a comfortable consultation with an orthodontist who can provide a treatment plan perfectly suited to you by analyzing the pros and cons of extraction versus non-extraction methods in a balanced manner! 🩺✨

 

 

 

 

 

 

 

Shine Orthodontics

Director Cho Byeong-ju

Graduated from Seoul National University Graduate School of Dentistry / Doctor of Dental Surgery

Catholic University of Korea Seoul St. Mary's Hospital Department of Orthodontics Intern / Resident

Graduated from Catholic University of Korea Graduate School of Medicine with a minor in Plastic Surgery / Master of Medicine

Visiting Professor, Department of Orthodontics, Catholic University of Korea Seoul St. Mary's Hospital

Visiting Professor at CHA University Gangnam Hospital

Invisalign Official Faculty

Regular member of the Korean Association of Orthodontists (KAO)

Member of the Korean Society of Clinical Orthodontists (KSO)

2019/2020/2021/2022 Awarded the Excellent Case Presentation by the Korean Association of Orthodontists

 

 

 

 

👉🏻 Want to read more of Director Cho Byung-joo's columns?

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