By 부평나우치과Updated: 8/4/2026

Incheon Bupyeong Gummy Smile Treatment, A Guide from Cause Diagnosis to Treatment Selection

Author: Yang Seong-won (Oral and Maxillofacial Surgeon, Clinic Director)
This content has been prepared in compliance with related laws including the Medical Practice Act.

Gummy smile refers to a condition where the gums are noticeably exposed when smiling. The appropriate treatment varies completely depending on whether the cause is in the muscles, gums, teeth, or skeletal structure. According to related clinical data, exposure of gums of 3mm or more when smiling is defined as gummy smile, and the cause is known to be divided into four main categories. If you are considering a consultation in Bupyeong, it is better to first confirm that accurate cause differentiation is the starting point for treatment selection, rather than deciding on Botox or gum contouring first.

Why You Should Accurately Identify the Cause of Gummy Smile in Bupyeong

Gummy smile cannot be lumped together as a single symptom of "showing too much gum." When the upper gum is exposed 3mm or more when smiling, this is medically called gummy smile, but the cause of this exposure varies from person to person. For some people, the muscle that lifts the upper lip moves excessively; for others, the gum tissue itself covers the tooth excessively; for some, the tooth has not erupted sufficiently; or the upper jawbone itself has grown downward and elongated. Related clinical data explains this condition divided by cause as follows.

Q. Do I need to have gum contouring if my gums show a lot?
No. If the cause is muscle hyperactivity, Botox may be considered before gum contouring, and if it is a skeletal problem, gum contouring alone has limitations. Therefore, when receiving a consultation in Bupyeong, the cause differentiation process should be the first step in treatment planning.

4 Causes of Gummy Smile and Each Treatment Mechanism

Since different treatment methods correspond to different causes, organizing them in the table below will help with understanding before consultation.

CauseCharacteristicsCorresponding Treatment
Lip and levator muscle hyperactivityThe muscle that lifts the upper lip moves excessivelyBotox
Gum tissue overgrowthGum excessively covers the toothGingivectomy / Crown lengthening
Insufficient tooth eruptionTooth has not erupted sufficientlyCrown lengthening
Maxillary vertical overgrowthUpper jawbone grows downward and elongatedOrthognathic surgery

According to data from Kyunghyang Shinmun, gum contouring is a suitable method when the structure and position of the upper jawbone are normal but the gum excessively covers the tooth, and when the upper jawbone itself has descended, improvement is difficult with gum contouring alone. Related clinical data also classifies the cause of gummy smile into four categories: excess tooth eruption, gum tissue overgrowth, lip and levator muscle hyperactivity, and maxillary vertical overgrowth, and explains that they are addressed with gingivoplasty, crown lengthening, Botox, orthognathic surgery, etc. If orthodontic treatment is involved in the case, the clinical guideline from Korean Association of Orthodontists can also be referenced. Since causes often overlap, precise differentiation through precise examinations such as panoramic and lateral cephalometric radiographs is essential rather than self-diagnosis.

Now dental clinic's Approach to Gummy Smile Diagnosis and Treatment

Now dental clinic, where an oral and maxillofacial surgeon is stationed, prioritizes the process of anatomically differentiating the cause of gummy smile. Without determining treatment first without understanding the cause, it proceeds as follows:

▪ Confirming the pattern of gum exposure and lip movement when smiling
▪ Confirming skeletal and tooth position through radiographic examination if necessary
▪ Establishing treatment plan suited to the cause (Botox, gum contouring, orthodontic coordination, etc.)
▪ Reviewing possibilities for coordination with esthetic treatment and tooth contouring

The fact that conscious sedation can be applied throughout the entire treatment process for those who have concerns or anxiety about dental treatment is an element that adds comfort from the diagnostic stage. Even those who have tension about pain or treatment itself can undergo precise examinations and consultations in a comfortable environment.

Things You Must Check Before the Procedure

Before formal consultation, checking the following items yourself will help with cause identification.

▪ The degree of gum exposure when smiling (slight vs. noticeable)
▪ Whether lip length is short or if the upper lip rises unusually much
▪ Whether the front teeth are protruding or the upper jaw appears longer than the lower jaw
▪ Whether there is a neuromuscular disorder, or if pregnant or nursing

According to related clinical data, Botox alone may have limited effectiveness if the cause of gum exposure is a skeletal problem (maxillary vertical overgrowth) or if the upper lip is short, and if there is a neuromuscular disorder or if pregnant or nursing, the procedure itself may be difficult. Results may vary depending on individual condition. If you receive a consultation with this limitation understood in advance, you can reduce unnecessary expectations or misunderstandings. Not only residents in the Bupyeong area but also those living in nearby Bucheon, Incheon Gyeyang-gu, and Seoul Guro can refer to this and visit.

How Bupyeong Gummy Smile Consultation Proceeds

If you are concerned about gums showing when smiling, Now dental clinic will consult with you step by step from cause diagnosis. If you decide on a treatment method without cause differentiation, it can lead to minimal effect or the condition where the gums appear prominent again over time. In fact, regarding orthognathic surgery, research on how maxillary movement affects airway space has been published in Korean Journal of Orthodontists, which shows that the more skeletal problems are involved in a case, the more important precise diagnosis and planning are. We recommend starting from cause identification and finding a treatment direction that suits you together.

Frequently Asked Questions

Q1. Do I absolutely need to treat gummy smile?
Treatment is often chosen by those who want esthetic improvement. If there is no functional problem, treatment is not necessarily required, and you can decide after consultation depending on your level of concern.

Q2. Should I choose Botox or gum contouring?
It depends on the cause. If the muscle that lifts the lip is hyperactive, Botox may be appropriate; if gum tissue is overgrown, gum contouring may be suitable, so it is best to decide after precise examination.

Q3. Can gummy smile be improved with orthodontics alone?
If the cause is insufficient tooth eruption or arrangement problems, some improvement can be expected with orthodontics, but if the skeletal or muscle is the main cause, orthodontics alone may have limitations.

Q4. Can gums be visible again after gum contouring?
If the cause was not only gum tissue but also skeletal problems combined, gum exposure may be felt again over time. That is why prior cause differentiation is important.

Q5. Can gummy smile caused by maxillary problems be improved without surgery?
If the maxillary bone itself has grown downward and elongated, non-surgical methods such as Botox or gum contouring alone may have limited improvement potential, so consultation through precise diagnosis is needed.


Results may vary depending on individual condition

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