A smile is one of the first things people notice, so it’s no surprise that many patients feel self-conscious when their gums seem to take centre stage over their teeth. This is commonly known as a “gummy smile,” and it’s far more common than most people realise. At Zuf Dental Care, we regularly see patients who want to understand why this happens and, more importantly, what can be done about it.
A gummy smile, clinically referred to as excessive gingival display occurs when a larger-than-average amount of gum tissue is visible above the upper teeth when smiling. Dental researchers generally agree that once more than 3mm of gum shows above the teeth, the smile starts to look disproportionate to most observers.
It’s worth stressing that a gummy smile isn’t a medical problem in itself. It doesn’t put your oral health at risk, and whether it’s noticeable enough to bother you really comes down to personal preference. Studies suggest the condition affects a meaningful share of the population, and it tends to show up somewhat more often in women than in men.
There isn’t a single cause, a gummy smile is usually the result of one or more of the following:
Because these causes can overlap, the right fix really depends on identifying which factor, or combination of factors is behind your particular smile.
Dentists generally categorise gummy smiles by how much gum tissue is visible:
Milder cases often respond well to less invasive treatments, while more pronounced cases may need a combined approach.
Which treatment makes sense for you depends heavily on what’s actually causing the excess gum display. Options generally fall into two groups: non-surgical treatments that ease symptoms temporarily, and dental or surgical procedures that address the root cause more permanently.
Botox injections: Small, carefully placed amounts of botulinum toxin relax the overactive muscles that pull the upper lip too high when smiling. Results typically last three to four months, so this works best as an ongoing maintenance option rather than a one-off fix.
Dermal fillers: Rather than relaxing the muscle, fillers add gentle weight to a high-moving upper lip so it doesn’t rise as far, covering more of the gum line. Like Botox, this is temporary and needs to be topped up periodically.
Laser gum contouring (gingivectomy): A dentist uses a laser to remove a small amount of excess gum tissue and reshape the gum line in a single visit. This approach tends to work best when only a couple of millimetres of tissue need to be removed, and it pairs well with ongoing gum health maintenance afterwards.
Crown lengthening: For cases involving more tissue — or where bone is also covering too much of the tooth, a periodontist reshapes both the gum and the underlying bone to expose more of the natural tooth. This is considered a permanent solution rather than a temporary adjustment.
Orthodontics: If over-erupted teeth or bite alignment are contributing to the gummy appearance, clear aligners as an alternative to metal braces, traditional braces, or temporary anchorage devices (TADs) can shift teeth into better proportion with the gums. This is often considered alongside broader orthodontic treatment options for patients already looking to straighten their teeth.
Lip repositioning surgery: For a persistently hyperactive lip that doesn’t respond to Botox, a surgeon can reposition the upper lip so it physically can’t rise as high when smiling — a more permanent version of what fillers and Botox achieve temporarily.
Veneers or crowns: Where teeth simply look small relative to the gums, veneers to reshape your smile or crowns and veneers can visually lengthen the tooth and improve the tooth-to-gum ratio without any gum tissue being removed.
Because a gummy smile can stem from several different underlying causes, there’s no one-size-fits-all fix. A thorough assessment is the best starting point, this is exactly why routine dental checkups matter, even for concerns that feel purely cosmetic. Your dentist will look at your teeth, gums, lip movement, and jaw alignment together before recommending a course of action.
If orthodontics turns out to be part of the answer, finding the right orthodontist who can coordinate any additional cosmetic work is important, particularly if you’re also considering straightening your teeth as an adult alongside gum-related treatment. And whatever route you take, keeping on top of your gum health afterwards will help protect the results long-term.
No. Excessive gingival display is generally considered a cosmetic concern rather than a medical one, and it doesn’t put your oral health at risk on its own. That said, it’s still worth mentioning to your dentist at your next routine dental checkup, since some of the underlying causes- like gum overgrowth are worth monitoring.
There’s no strict medical cutoff, but many dental professionals use around 3mm of visible gum tissue above the teeth as a rough guide. Beyond that, smiles are more likely to be perceived as gummy, with severity typically graded as mild (2–4mm), moderate (4–6mm), or severe (6mm+).
Sometimes. If the main cause is over-erupted teeth or a bite alignment issue, clear aligners as an alternative to metal braces or traditional orthodontics can meaningfully improve the proportions. If the cause is a hyperactive lip or excess gum tissue, orthodontics alone usually won’t be enough, and it’s often combined with another treatment.
Botox and dermal fillers are the least invasive options, since both are non-surgical and reversible. The trade-off is that neither is permanent – Botox typically lasts three to four months, and fillers need periodic top-ups.
Crown lengthening and lip repositioning surgery are generally considered permanent, since they physically reshape the gum, bone, or lip position rather than temporarily relaxing muscles. Laser gum contouring can also be long-lasting if the underlying gum tissue doesn’t regrow.
Most procedures are done under local anaesthetic, and non-surgical options like Botox and fillers involve only minor injection discomfort. Recovery time and sensitivity vary by procedure, so your dentist will talk you through what to expect for the specific treatment you choose.
It depends on what’s actually causing your gummy smile – small teeth, excess gum tissue, a hyperactive lip, or jaw positioning can all look similar but need different fixes. A proper assessment with your dentist is the best way to find the right treatment rather than guessing based on appearance alone.
A gummy smile is common, treatable, and nothing to feel embarrassed about. If you’re considering your options, the team at Zuf Dental Care can assess what’s causing your gummy smile and talk you through the treatments best suited to your goals, from simple, non-surgical tweaks to more comprehensive smile makeovers.
To help point you toward the right starting place, it’s worth thinking about:
Book a consultation today to take the first step toward a smile you feel confident showing off.
