Gummy smile: what causes it and what can be done
A gummy smile shows more gum tissue when you smile. It's usually cosmetic, but a dentist can evaluate whether it relates to teeth, gums, or jaw position and discuss options with you.
Medically reviewed by Dr. Jose, DDS — August 8, 2026
What causes a gummy smile?
A gummy smile happens when you show more gum tissue than tooth when you smile. Several factors can contribute:
Excess gum tissue. Some people naturally have more gum covering the tooth surface. This is common and not a sign of disease.
Jaw or lip position. The way your jaw is shaped or how your upper lip moves when you smile can make gums more visible. Genetics often play a role here.
How teeth align. If your upper teeth are positioned lower or shorter relative to your jaw, more gum shows. This can relate to how your teeth grew in or developed over time.
Teeth size. Smaller teeth relative to your gum and jaw may create the appearance of excess gum.
None of these causes a health problem on its own. A gummy smile is primarily a cosmetic preference.
Evaluating your smile
If you’d like to explore options, your first step is a visit to your dentist. They will:
- Examine your teeth, gum health, and jaw alignment
- Ask about your bite and how you chew
- Take photos or X-rays to understand the anatomy
- Identify which factor (or combination) is most relevant
Based on findings, your dentist may refer you to a specialist:
- Periodontist if the cause is excess gum tissue or gum health
- Orthodontist if teeth alignment or jaw position is the main factor
Options to consider
Gum contouring. A periodontist can reshape gum tissue to show more tooth surface and less gum. This is typically outpatient and relatively straightforward.
Orthodontic treatment. If teeth are positioned low in the gum, an orthodontist may move them to change how much gum shows. This takes longer but addresses alignment at the same time.
Jaw-related approaches. In cases where jaw position is the primary cause, a specialist may discuss whether other treatment is appropriate. This is less common and requires a thorough evaluation.
Combination treatment. Sometimes two approaches work together — for example, minor tooth movement plus gum contouring.
Your dentist or specialist will explain what’s realistic for your situation and answer your questions about recovery, timeline, and what results look like.
Is it right for you?
A gummy smile is not a problem that needs fixing unless you want to change it. If you’re happy with your smile, there’s no reason to pursue treatment. If you’re interested in exploring options, the goal is to feel confident and informed, not pressured.
Bring photos of smiles you like, ask questions about recovery and results, and feel free to ask for a second opinion from another provider.
How MediMouth helps
MediMouth connects you with dentists and specialists across Arizona who can evaluate a gummy smile and discuss options tailored to your teeth, gums, and jaw. Use our provider finder to book a consultation and take the first step toward understanding your choices.
Frequently asked questions
Is a gummy smile a health problem?
A gummy smile is usually a cosmetic concern, not a health issue. If your teeth and gums are healthy and you don't have trouble chewing or speaking, there's no medical reason to change it. The choice to address it is entirely yours.
Can a gummy smile be fixed?
Yes, several approaches exist — gum contouring, orthodontic movement, or addressing jaw position — but the right option depends on what's causing it. Your dentist or a specialist can evaluate and discuss what might work for you.
Should I see a general dentist or a specialist?
Start with your general dentist, who can identify the likely cause. Depending on findings, you may be referred to a periodontist (gum specialist) or orthodontist (tooth-movement specialist).