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Can a Smile Makeover Fix Uneven Gums Too?

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Can a Smile Makeover Fix Uneven Gums Too?

Published: October 13, 2026

Last updated: October 13, 2026

By Dr. Rajanbir Singh Thind, Thind Dental Clinic

Quick answer

Yes. A smile makeover can correct uneven or excessive gums, because gum shape is part of smile design, not an extra. Options range from gum reshaping (gum lift) and bone-level crown lengthening to temporary muscle-relaxing injections and aligner-based tooth movement. The right choice depends on why the gums look uneven, so a proper assessment must come first. Most research treats about 2 to 3 mm of gum show as attractive and more than 3 mm as unattractive. In many cases the fix is simpler and less invasive than people expect.

How much gum show is too much, according to research?

Most studies place the comfortable limit at roughly 3 mm. A 2020 study in the International Journal of Environmental Research and Public Health, run in Vietnam with 51 dentists and 51 non-professionals, found that dentists judged 3 mm of extra gum exposure "ugly" while non-professionals tolerated up to 4 mm (Ngoc and colleagues, 2020).

A 2023 study in the Australasian Orthodontic Journal asked 117 adults to rate one smile digitally altered from -4 mm to +4 mm of gum display. The smile at -2 mm was rated most attractive, and the one at -4 mm was rated least attractive (Yuen and colleagues, Australasian Orthodontic Journal, 2023).

In plain terms, people notice gums more than they realise. Even small differences change how a smile reads.

How common is a gummy or uneven gum line?

It is common, especially in young adults. An integrative review in the Revista Clinica de Periodoncia, Implantologia y Rehabilitacion Oral reports that about 10% of people aged 20 to 30 have a gummy smile, and that it is more common in women than in men (Moura and colleagues, 2017).

The same review notes that evidence for surgical correction is thin. It covered only five studies and 48 patients, with short follow-up, and the authors call for longer randomised trials. Patients were generally satisfied with the cosmetic result of gingivectomy with bone reshaping.

Why do gums look uneven in the first place?

Uneven gums have several different causes, and each needs a different fix. Gum tissue may sit too low over the teeth, the upper lip may lift too high when you smile, the upper jaw may sit lower than ideal, or the teeth themselves may be worn, short or tilted.

This is why copying a friend's treatment rarely works. Two smiles that look similar can need two entirely different plans.

  • Excess gum tissue: the gum covers more of the tooth than it should.
  • Overactive upper lip: the lip raises further than average when smiling.
  • Tooth position: crowded, tilted or short teeth make the gum line look uneven.
  • Gum inflammation: swollen gums hide tooth length and change the outline.

What are the treatment options for uneven gums?

There are four main routes, and a good smile design often combines two of them. Gum reshaping and crown lengthening change the tissue and bone. Muscle-relaxing injections change how far the lip lifts. Aligners and cosmetic work change the teeth around the gum.

Option What it changes Best suited to Permanence
Gum reshaping (gingivectomy or gum lift) Removes or contours gum tissue to even the outline Excess or uneven gum tissue Long lasting when the cause is tissue
Crown lengthening with bone reshaping Adjusts gum and underlying bone to expose more tooth Gum that sits too low over the teeth Long lasting
Botulinum toxin injections Relaxes the muscles that lift the upper lip Gum show caused by an overactive lip Temporary, repeated over time
Aligners and cosmetic reshaping Moves or reshapes teeth so the gum line looks balanced Crowding, tilting, worn or short teeth Long lasting with retainers

For injections, a systematic review and meta-analysis in Brazilian Oral Research found the largest drop in gum display, about 4.44 mm, within two weeks of treatment. Display then crept back over the follow-up weeks, and the authors concluded that well-designed trials with at least six months of follow-up are still needed (Brazilian Oral Research, 2018). The practical lesson is that injections suit patients who want a reversible option, not a one-time fix.

What should you expect to look for in a gum-friendly smile makeover?

A well-run plan starts with diagnosis, not with a procedure. Five standards separate a careful plan from a rushed one.

  • The cause is identified first: tissue, bone, lip movement or tooth position, measured rather than guessed.
  • You see a preview: a digital smile design shows the proposed gum and tooth outline before anything is done.
  • Healthy gums come first: any inflammation is treated before cosmetic changes are planned.
  • Sterilisation is certified: gum procedures involve soft tissue, so a clinic with recognised hospital-grade hygiene standards matters.
  • Several options are explained: you hear about reversible and permanent routes, and their trade-offs.

How do you tell a careful smile makeover plan from a rushed one?

Use this checklist when you compare clinics.

  • Ask what is causing the uneven gum line and how they confirmed it.
  • Ask to see a digital preview of the final gum and tooth outline.
  • Ask whether gum health will be treated before any cosmetic step.
  • Ask which hygiene accreditation the clinic holds and how instruments are sterilised.
  • Ask what happens at follow-up, and what maintenance the result needs.
  • Ask for a written plan listing every step in order, so nothing surprises you later.

Where does Thind Dental Clinic fit in?

Thind Dental Clinic is an NABH-approved practice with three locations in Ludhiana, led by Dr. Rajanbir Singh Thind and Dr. Gurinder Kaur Thind. Our smile makeover planning treats the gum line, the teeth and the lips as one design, supported by laser and digital technology. If uneven gums are part of what bothers you, we assess the cause first and explain every option before you decide.

How can you check whether your gums need attention?

You can start with a conversation, not a commitment. Book a free smile assessment and consultation at thind.com, and we will look at your gum line, explain what is causing the unevenness, and show you what is realistic. If you are also considering straightening, ask about invisible aligners and how cosmetic dentistry at Thind Dental Clinic can be planned around your schedule.

Frequently asked questions

Can a smile makeover fix a gummy smile?

Yes, in most cases. The method depends on the cause, such as excess gum tissue, a high-lifting lip or short-looking teeth. A dentist should confirm the cause before recommending gum reshaping, crown lengthening or injections.

Is gum reshaping permanent?

When the cause is excess gum tissue, the result is generally long lasting. Gum health still needs good daily care and regular checkups to keep the new outline stable. Injections to relax the lip, by contrast, are temporary.

How much gum show is considered normal?

Research generally treats under 2 to 3 mm of gum show as attractive and more than 3 mm as unattractive (Moura and colleagues, 2017). Preferences vary a little between people and cultures, which is why a personalised preview matters.

Can aligners help with uneven gums?

Sometimes. If the uneven look comes from crowded, tilted or misaligned teeth, moving the teeth can balance the gum line. If the cause is the gum tissue itself, aligners are usually combined with a gum procedure.

Do I need to treat gum disease before a smile makeover?

Yes. Inflamed or infected gums change shape and bleed, which makes cosmetic planning unreliable. Healthy gums come first, and the cosmetic steps follow.

Sources

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