Botox for Gummy Smile: The Complete Guide to Non-Surgical Gum Show Correction
If you're self-conscious about showing too much gum when you smile, you're not alone. Approximately 10-25% of people have what's called a "gummy smile." While some embrace it, others seek treatment. Botox offers a non-surgical solution that can reduce gum show by 2-4mm with just a few precisely-placed units. This guide explains everything you need to know about this increasingly popular treatment.
Gummy Smile Botox at a Glance
Understanding Gummy Smile: More Than Just Aesthetics
Before discussing treatment, it's important to understand what causes a gummy smile and whether yours is a candidate for Botox treatment. Not all gummy smiles are created equal, and the cause determines the best treatment approach.
What Is Considered a Gummy Smile?
The Clinical Definition
Clinically, a gummy smile (excessive gingival display) is defined as showing more than 2-4mm of gum tissue above the upper teeth when smiling. However, aesthetic perception varies by culture and individual preference.
Gum Display Classifications:
- • 0-2mm: Ideal/normal gum show
- • 2-4mm: Mild gummy smile
- • 4-8mm: Moderate gummy smile
- • 8mm+: Severe gummy smile
How to Measure Your Gum Show
To assess your own gummy smile:
- 1.Stand in front of a mirror in good lighting
- 2.Smile your natural, full smile (like in photos)
- 3.Use a small ruler to measure from the bottom of your upper lip to the top of your central incisors
- 4.This measurement is your "gum show"
Botox typically reduces gum show by 2-4mm, so this helps predict your results.
A Note on Perception
It's worth noting that a gummy smile isn't inherently unattractive. Many celebrities have gummy smiles that are considered part of their charm. Treatment is a personal choice based on your own preferences and self-confidence, not a medical necessity.
The Four Types of Gummy Smiles: Which Do You Have?
This is crucial information that many guides skip. Understanding your gummy smile type determines whether Botox is the right treatment for you.
Muscular Gummy Smile
Best for BotoxCaused by hyperactive lip elevator muscles that pull the upper lip too high when smiling. The most common type and the ideal candidate for Botox treatment.
How to Identify:
- • Normal lip length at rest
- • Gum only shows when smiling
- • Upper lip rises dramatically
- • Normal tooth and jaw structure
Botox Effectiveness:
Excellent. Botox directly addresses the cause by relaxing the overactive muscles. Expected reduction: 2-4mm of gum show.
Short Upper Lip Gummy Smile
Moderate ResponseCaused by a naturally short upper lip that doesn't cover the gums even at rest. The lip length from the base of the nose to the top of the lip (philtrum) is shorter than average (normal is 20-25mm).
How to Identify:
- • Short distance from nose to lip
- • Some gum visible even at rest
- • Lip length under 20mm
- • Gum show increases when smiling
Botox Effectiveness:
Moderate. Botox can reduce the muscle elevation component but can't lengthen the lip itself. May help somewhat, but surgical lip repositioning may be more effective.
Gingival/Dental Gummy Smile
Limited ResponseCaused by excessive gum tissue covering the teeth (delayed passive eruption) or altered passive eruption where teeth appear short because gum tissue hasn't receded to reveal the full crown.
How to Identify:
- • Teeth appear short or square
- • Gum tissue covers much of tooth
- • Normal lip length and movement
- • Gums look "puffy" or thick
Botox Effectiveness:
Limited. Botox doesn't address excess gum tissue. Crown lengthening (gum contouring) surgery is the appropriate treatment to reveal more tooth structure.
Skeletal/Vertical Maxillary Excess
Poor ResponseCaused by the upper jaw (maxilla) being too long vertically. This is a bone structure issue where the upper jaw has grown excessively downward, exposing more gum tissue regardless of lip position.
How to Identify:
- • Long lower face
- • Difficulty closing lips comfortably
- • Open mouth posture at rest
- • Often severe gum show (8mm+)
Botox Effectiveness:
Minimal. Botox cannot address bone structure. Orthognathic surgery (jaw surgery) to reposition the maxilla is the definitive treatment. Botox may provide minor improvement but won't address the underlying cause.
Mixed Type Gummy Smiles
Many people have a combination of factors contributing to their gummy smile. For example, someone might have both hyperactive muscles AND a slightly short upper lip. In these cases, Botox can address the muscular component while other treatments may be needed for complete correction. A thorough evaluation by a qualified provider can identify all contributing factors.
The Anatomy of a Gummy Smile: Muscles Involved
Understanding the muscles that control your smile helps explain how Botox works and why precise injection placement is critical.
The Lip Elevator Muscles
Your upper lip is elevated by a complex group of muscles. When these muscles contract during smiling, they pull your upper lip upward. In a gummy smile, one or more of these muscles is hyperactive:
LLSAN: Levator Labii Superioris Alaeque Nasi
This is the main muscle targeted in gummy smile treatment. It runs from beside your nose down to your upper lip and is responsible for elevating both the lip and the nostril when you smile. When hyperactive, it's the primary cause of muscular gummy smile.
LLS: Levator Labii Superioris
Located lateral to the LLSAN, this muscle also elevates the upper lip. In some patients, treating the LLSAN alone isn't sufficient, and small amounts of Botox are also placed in the LLS.
Zygomaticus Minor
Runs from the zygomatic bone to the upper lip. Contributes to lip elevation during smiling. Occasionally treated in conjunction with the other muscles.
Levator Anguli Oris
Elevates the corner of the mouth. Generally not treated for gummy smile as it could flatten or distort the smile. Mentioned for completeness.
Why Precision Matters
The lip elevator muscles are small and located close together. Injecting even a few millimeters off target can affect the wrong muscle, leading to asymmetry or unintended effects on your smile. This is why gummy smile treatment requires an experienced injector with detailed knowledge of facial anatomy.
The Balance Concept
The goal isn't to completely paralyze the lip elevators. It's to weaken them just enough to reduce excessive gum show while maintaining a natural smile. This requires careful unit selection and precise placement.
Gummy Smile Botox Injection Technique
The injection technique for gummy smile is highly specific. Here's what experienced providers do:
The Yonsei Point Technique
The most widely used and studied injection site for gummy smile is called the "Yonsei point," named after Yonsei University in South Korea where this technique was refined.
Locating the Yonsei Point
- 1.Draw a horizontal line at the level of the alar crease (where the nostril meets the face)
- 2.Measure approximately 1cm lateral (to the side) from the alar crease
- 3.This intersection point is the Yonsei point
- 4.The injection is placed at this point on both sides of the face
Injection Depth and Technique
- • Depth: Deep injection into the muscle belly
- • Angle: Perpendicular or slightly angled toward the nasal ala
- • Volume: Small volume (0.025-0.05ml per injection)
- • Pressure: Gentle pressure post-injection to prevent spread
Unit Distribution
Alternative and Adjunctive Techniques
Modified Yonsei (3-Point Technique)
Some providers use a modified technique with three injection points: one at the Yonsei point (LLSAN) and two additional points lateral to target the LLS and zygomaticus minor. This is used for more severe cases or when the standard two-point technique isn't sufficient.
Combination with Lip Flip
For enhanced results, gummy smile treatment is often combined with alip flip(Botox in the orbicularis oris above the upper lip). The gummy smile treatment reduces how high the lip rises, while the lip flip makes the upper lip appear slightly fuller. Different injection sites; can be done together.
Asymmetric Dosing
If one side of your smile shows more gum than the other (common), the provider may use different unit counts on each side to create symmetry. This requires careful assessment during consultation.
The Conservative Approach
Experienced providers start with conservative dosing (2 units per side) and bring patients back in 2 weeks for assessment. It's much easier to add more units than to reverse over-treatment. If you're seeing someone for the first time, be wary of providers who immediately suggest high doses.
The Gummy Smile Botox Treatment Process
Here's exactly what to expect during your gummy smile Botox appointment:
Consultation and Assessment (5-10 minutes)
Your provider will evaluate your smile, measure your gum show, identify your gummy smile type, and determine if Botox is appropriate. They'll assess muscle activity by having you smile and may palpate the muscles.
Marking and Preparation (2-3 minutes)
The provider may mark the injection points (Yonsei points) with a surgical marker. The area is cleaned with alcohol. Topical numbing is rarely needed for these small injections, but some providers offer ice for comfort.
The Injections (Less than 2 minutes)
The actual injection process is very quick. You'll feel a small pinch with each injection. The entire process typically takes less than a minute per side.
Post-Treatment Instructions
Do:
- • Resume normal activities immediately
- • Apply ice if there's mild swelling
- • Practice your smile in the mirror after day 5
- • Take before/after photos
- • Schedule 2-week follow-up for assessment
Don't:
- • Rub or massage the injection sites
- • Lie down for 4 hours
- • Exercise strenuously for 24 hours
- • Apply pressure to the treated area
- • Get facials for 24 hours
Follow-Up (2 weeks later)
A follow-up appointment at 2 weeks allows your provider to assess results, check for symmetry, and add touch-up units if needed. This is especially important for first-time patients.
Gummy Smile Botox Results Timeline
Immediately After Treatment
Tiny bumps at injection sites that resolve within 30 minutes. Possible mild redness or pinpoint bruising. Your smile looks and feels normal: the Botox hasn't started working yet.
Botox Begins Working
The Botox is starting to bind to nerve endings and block muscle contractions. You may notice very subtle changes in how your upper lip moves when you smile. Most patients don't see significant changes yet.
Early Results Visible
Now you should start seeing noticeable reduction in gum show. Your upper lip doesn't rise as high when you smile. Compare to your before photos. The effect continues to develop.
Full Results
Maximum gum show reduction achieved. This is when to assess your results, take after photos, and have your follow-up appointment if scheduled. Your provider can add touch-up units if needed for symmetry or additional reduction.
Enjoying Results
Results remain stable. Enjoy smiling without self-consciousness about your gums. Take photos for your records. Most patients find this is the "sweet spot" of their treatment cycle.
Gradual Return of Muscle Activity
You'll notice your gum show gradually returning as muscle function resumes. Time to schedule your next treatment if you want to maintain results. Maintenance treatments are typically needed every 3-4 months.
What Results to Realistically Expect
Botox typically reduces gum show by 2-4mm. This is often enough to transform a gummy smile into a more balanced smile. However, if you have severe gum show (8mm+), Botox alone may not achieve your goals. Setting realistic expectations based on your starting point is crucial for satisfaction.
Side Effects, Risks, and Complications
While gummy smile Botox is generally safe, there are specific risks to understand. Many are related to the precise nature of this treatment.
Common and Expected
- • Injection site bumps (resolve in 30 minutes)
- • Mild redness (resolves in hours)
- • Slight tenderness at injection sites
- • Minor bruising (uncommon, resolves in days)
Gummy Smile-Specific Risks
Asymmetric Smile
If one side is treated more than the other, or if muscles respond differently, your smile may appear uneven. One side of your upper lip may rise higher than the other.
Solution: Often correctable with additional Botox to the higher side at your follow-up appointment.
Flattened Smile / Long Upper Lip Appearance
Over-treatment can make your upper lip appear elongated or flattened when smiling. Your smile may look less natural or "frozen" in the upper lip area.
Solution: This is temporary and resolves as Botox wears off. Use fewer units in subsequent treatments.
Difficulty with Certain Expressions
Since the treated muscles control lip elevation, you may notice subtle changes in other expressions involving the upper lip, such as snarling or sneering (intentionally or reflexively).
Solution: Usually not noticeable in daily life. Resolves as Botox wears off.
Temporary Nasal Effects
Because the LLSAN muscle also affects the nostril, some patients notice their nostril doesn't flare as much when breathing deeply or during exercise. This is rarely problematic.
Solution: Typically not noticeable. Resolves as Botox wears off.
Rare but Possible
- • Drooling/Oral incompetence: Extremely rare, from spread to nearby muscles
- • Lip weakness: Difficulty with drinking or holding items with lips
- • Speech changes: Very rare, subtle changes to certain sounds
- • Allergic reaction: Extremely rare but possible with any injection
Remember: All effects are temporary and resolve within 3-4 months as the Botox wears off. Choosing an experienced provider significantly reduces risks.
Minimizing Risk: Provider Selection
Gummy smile treatment requires precise technique. When choosing a provider:
- • Ask specifically about their experience with gummy smile treatment
- • Request before/after photos of their gummy smile patients
- • Ensure they offer follow-up appointments for assessment
- • Confirm they use conservative dosing for first-time patients
- • Look for providers with advanced training in facial anatomy
Botox vs. Surgical Options for Gummy Smile
Several treatment options exist for gummy smile correction. Here's a comprehensive comparison to help you understand your options:
| Factor | Botox | Lip Repositioning | Crown Lengthening |
|---|---|---|---|
| Best for | Muscular gummy smile | Short upper lip | Excess gum tissue |
| How it works | Relaxes lip elevator muscles | Surgically limits lip elevation | Removes gum tissue to expose teeth |
| Gum reduction | 2-4mm | 3-8mm | Varies (changes tooth appearance) |
| Cost | $100-300 per treatment | $2,000-5,000 one-time | $1,000-3,000 one-time |
| Duration | 3-4 months (needs maintenance) | Permanent | Permanent |
| Downtime | None | 1-2 weeks | 1-2 weeks |
| Reversible | Yes (wears off) | No | No (tissue removed) |
| Risks | Temporary asymmetry, flattened smile | Scarring, nerve damage, relapse | Tooth sensitivity, tissue recession |
| Procedure time | 10 minutes | 1-2 hours | 30-60 minutes per arch |
Choose Botox If You:
- Have a muscular gummy smile
- Want a non-surgical, reversible option
- Need only 2-4mm reduction
- Want to "test" a less gummy smile before surgery
- Prefer no downtime
Consider Surgery If You:
- Have severe gummy smile (8mm+)
- Have skeletal or gingival causes
- Want permanent results
- Tried Botox and want more dramatic results
- Prefer one-time procedure over maintenance
The "Test Drive" Approach
Many patients use Botox as a way to preview surgical results. If you're considering lip repositioning surgery, trying Botox first lets you experience a less gummy smile without permanent commitment. If you love the reduced gum show but want permanent results, surgery becomes a more informed decision.
Gummy Smile Botox Cost Breakdown
Gummy smile treatment is one of the most affordable Botox procedures due to the low number of units required.
2-4 units per side
At $12-18 per unit
For consistent maintenance
Annual Cost Comparison
Why It's So Affordable
Gummy smile treatment requires very few units compared to other Botox treatments. While forehead lines might need 15-30 units, gummy smile typically needs just 4-8. This makes it accessible for many patients. Some practices charge minimum treatment fees, but even then, it remains one of the most budget-friendly Botox options.
Combining Gummy Smile Treatment with Other Procedures
Gummy smile Botox can be combined with other treatments for enhanced results. Here are the most common combinations:
Gummy Smile + Lip Flip
This popular combination addresses two aspects of smile aesthetics:
How They Work Together:
- • Gummy smile Botox: Reduces how high the lip rises
- • Lip flip: Makes the upper lip appear fuller
- • Combined effect: Less gum + more lip = balanced smile
Treatment Details:
- • Different injection sites (no interference)
- • Can be done in same appointment
- • Combined units: 8-14 total
- • Combined cost: $150-400
Gummy Smile + Lip Filler
For patients who want both less gum show AND more lip volume:
- • Botox reduces gum visibility when smiling
- • Filler adds volume to the upper lip
- • Creates more balanced upper lip to gum ratio
- • Different products (Botox + hyaluronic acid filler)
- • Can be done same day or staged
Gummy Smile + Full Upper Face Botox
Many patients add gummy smile treatment when getting other upper face areas treated:
- • Forehead lines + 11 lines + crow's feet + gummy smile
- • All done in one appointment
- • More comprehensive facial refreshment
- • Often more cost-effective than separate appointments
Frequently Asked Questions
What exactly is a gummy smile?
A gummy smile, medically called 'excessive gingival display,' occurs when more than 2-4mm of gum tissue shows above your upper teeth when you smile. While some gum visibility is normal and even considered attractive, showing more than 4mm is typically considered a gummy smile. The condition affects approximately 10-25% of the population and is more common in women than men.
How does Botox fix a gummy smile?
Botox treats gummy smiles caused by hyperactive lip elevator muscles. When injected into the LLSAN (levator labii superioris alaeque nasi) and sometimes adjacent muscles, Botox relaxes these overactive muscles. This prevents the upper lip from rising too high when you smile, reducing the amount of visible gum tissue. It doesn't affect your ability to smile: it simply limits how far your upper lip elevates.
How many units of Botox for a gummy smile?
Gummy smile treatment typically requires 2-8 units total, making it one of the lowest-unit Botox treatments. Most patients need 2-4 units per side (4-8 total), divided between injection points. Conservative dosing (2-3 units per side) is recommended initially because over-treatment can affect your smile's natural appearance. Your provider may start low and add more at a follow-up if needed.
Where exactly is Botox injected for gummy smile?
The primary injection site is the LLSAN muscle, located at the 'Yonsei point,' approximately 1cm lateral to the nostril and 3cm above the lip line. Some providers also inject the LLS (levator labii superioris) slightly more lateral to this point. The injection is placed deep into the muscle. Precise placement is critical: even millimeters off can affect results or cause asymmetry.
How much does Botox for gummy smile cost?
Botox for gummy smile typically costs $100-300 per treatment, making it one of the most affordable Botox procedures. This is because it requires very few units (4-8). At $12-18 per unit, the treatment cost is relatively low. Some providers charge a minimum 'treatment fee' regardless of units used, which can increase costs slightly.
How long does Botox for gummy smile last?
Results typically last 3-4 months, though some patients report effects lasting up to 6 months. The duration depends on individual metabolism, muscle strength, and units used. Because the treated muscles are used frequently (every time you smile), some patients find results wear off slightly faster than Botox in other areas. Maintenance treatments every 3-4 months are typical.
When will I see gummy smile Botox results?
Initial effects appear within 3-5 days as the muscles begin to relax. Full results are typically visible by day 10-14. You'll notice your upper lip doesn't rise as high when you smile, reducing visible gum tissue. Some patients see dramatic improvement; others see more subtle changes depending on their gummy smile type and cause.
Can Botox completely eliminate a gummy smile?
Botox can significantly reduce a gummy smile but may not completely eliminate it, especially in severe cases or when skeletal factors are involved. For muscular gummy smiles (caused by hyperactive lip elevators), Botox can reduce gum show by 2-4mm, which is often enough to achieve a pleasing smile. For severe cases (10mm+ gum show) or skeletal causes, surgical options may be more appropriate.
Will Botox for gummy smile affect my smile?
When properly dosed, Botox for gummy smile should make your smile look more balanced without appearing unnatural. Your smile will be slightly less 'high,' showing less gum but the same teeth. However, over-treatment can cause an asymmetric smile, flattened smile, or difficulty fully smiling. This is why conservative initial dosing and experienced injectors are crucial.
Is Botox or surgery better for gummy smile?
It depends on the cause and severity. Botox is ideal for mild to moderate muscular gummy smiles (2-4mm reduction needed), as a trial before surgery, or for patients wanting non-permanent solutions. Surgery (lip repositioning, crown lengthening, or orthognathic surgery) is better for severe cases (10mm+ gum show), skeletal causes, or patients wanting permanent results. Many start with Botox to 'test' the look before considering surgery.
What are the risks of gummy smile Botox?
The main risks include asymmetric smile (one side higher than the other), flattened or elongated upper lip appearance, difficulty with certain expressions, and temporary changes to speech or eating. These effects are temporary and resolve as Botox wears off. Choosing an experienced injector familiar with facial anatomy significantly reduces risks. Starting with conservative doses allows for adjustment.
Can I combine gummy smile Botox with lip flip?
Yes, many patients combine gummy smile treatment with a lip flip for enhanced results. The gummy smile treatment prevents the upper lip from rising too high, while the lip flip makes the upper lip appear slightly fuller by preventing it from rolling inward. Together, they can create a more balanced, aesthetically pleasing smile. The treatments use different injection sites and can be done in the same appointment.