A smile is often described as one of the first features people notice. However, for some people, smiling can also be a source of self-consciousness, particularly if they feel that too much of their gums are visible.
This is a condition known as ‘gummy smile’. While this is a common aesthetic concern, advances in both dentistry and aesthetic medicine have made it increasingly treatable. Today’s treatment options range from simple injectable procedures to more comprehensive dental and orthodontic interventions, depending on the underlying cause.
What Causes A Gummy Smile?
One of the biggest misconceptions is that every gummy smile has the same cause. In reality, excessive gingival display can result from several different anatomical factors.
Some people simply have a naturally short upper lip which exposes more gum when they smile. Others have hyperactive muscles which lift the upper lip higher than average during facial expressions. In other cases, the upper jaw, known as the maxilla, may be positioned further forward or vertically longer than average, while some people simply have smaller teeth that appear partially covered by gum tissue.
Certain medications and altered tooth eruption during childhood may also contribute to the appearance of a gummy smile.
Identifying the underlying cause is essential because it determines which treatment will produce the most effective and natural-looking outcome.
There are a variety of treatment options. We look at each in turn:
Injectable Muscle Relaxants
For patients whose gummy smile is caused by overactive upper lip muscles, injectable muscle relaxants have become one of the most popular non-surgical solutions. Tiny amounts are strategically placed into the muscles responsible for lifting the upper lip.
By slightly reducing their activity, the upper lip no longer rises as high during smiling, allowing less gum tissue to show while maintaining natural facial expression. Results typically begin to appear within several days and generally last between three and four months before maintenance treatment is required.
The Yuki Clinic in London, which offers the treatment, describes it as a subtle way of balancing the smile rather than changing it completely. The clinic’s staff explain: “By carefully relaxing the muscles which elevate the upper lip, we can reduce excessive gum exposure while preserving a natural smile.” The emphasis, they note, is on achieving harmony between the lips, teeth and gums; rather than creating an artificial appearance.
One advantage of injectable treatment is that it is quick and minimally invasive. Most appointments take only a few minutes, require little to no downtime, and patients are usually able to return to normal daily activities immediately afterwards. Because the effects are temporary, the treatment can also serve as a way for patients to experience the aesthetic change before deciding whether they wish to continue with ongoing maintenance.
Cosmetic Dentistry
Not every gummy smile, however, can be corrected with injectables alone. If excessive gum tissue covers otherwise healthy teeth, a cosmetic dentist may recommend gum contouring or crown lengthening.
Modern laser techniques allow dentists to reshape the gum line with remarkable precision, exposing more of the natural tooth surface and creating a more balanced smile. Because lasers minimise bleeding and promote faster healing compared with traditional surgical methods, recovery is often quicker and more comfortable than many patients expect.
Orthodontic treatment may also be appropriate when the teeth or jaw contribute to excessive gingival display. In some cases, braces or clear aligners can reposition the teeth, while more complex skeletal issues may require orthognathic surgery to reposition the upper jaw. These procedures are typically reserved for patients with significant anatomical differences rather than purely cosmetic concerns
The Importance Of An Authentic Smile
The growing popularity of gummy smile correction reflects a broader trend within aesthetic medicine towards facial harmony rather than isolated feature enhancement. Practitioners increasingly assess how the lips, teeth, gums and facial proportions work together as a complete unit. A beautiful smile depends not only on straight white teeth but also on the balance between dental display, lip movement and surrounding facial features.
The team from the Yuki Clinic explains that every treatment begins with an individual assessment because no two smiles are identical. Understanding each patient’s facial anatomy is fundamental to creating results which complement a patient’s natural expressions rather than altering their identity.
Ultimately, it’s about creating an authentic smile! Psychological studies have long demonstrated the importance of smiling in human communication. A genuine smile activates muscles around both the mouth and the eyes, producing what psychologists call a Duchenne smile.
Such smiles are often perceived as more trustworthy, authentic and attractive than forced expressions. When individuals feel embarrassed about their smile, they may smile less frequently or attempt to conceal their teeth during photographs and conversations. Improving confidence, rather than pursuing perfection, is therefore one of the main reasons patients seek gummy smile correction.
Ultimately, the most attractive smile is rarely the most symmetrical or mathematically perfect. It is the smile that looks authentic, reflects genuine emotion and allows people to express themselves with confidence.
