A smiley piercing carries more risk than most other piercings. It sits on the upper lip frenulum, the thin flap of tissue connecting your upper lip to your gum, and that location puts it in constant contact with your teeth, gums, and everything you eat or drink. The piercing can heal without problems, but the potential for dental damage, infection, and rejection is real and worth understanding before you commit.
Why the Frenulum Is a Risky Location
The frenulum is a small, thin piece of tissue. It doesn’t have much depth, which means the jewelry sits very close to the surface. This makes smiley piercings behave like surface piercings, which are the type most commonly rejected by the body. Your immune system can treat the jewelry as a foreign object and slowly push it toward the surface of the skin until it eventually comes out entirely.
Beyond rejection, the placement means the jewelry rests directly against your upper front teeth and gum line every time you close your mouth or smile. Over months and years, that repeated contact can wear down tooth enamel and cause gum recession, where the gum tissue pulls back and exposes the root of the tooth. Enamel doesn’t grow back, and gum recession often requires surgical grafting to repair. These aren’t rare worst-case scenarios. They’re predictable consequences of metal pressing against soft tissue and enamel day after day.
Signs of Rejection and Migration
Because the frenulum is so thin, smiley piercings are particularly prone to migration, where the jewelry gradually shifts from its original placement. Signs to watch for include:
- More jewelry visible on the outside of the piercing than when it was first placed
- Persistent soreness, redness, or dryness beyond the first few days of healing
- The piercing hole appearing larger than it was initially
- Jewelry visible under the skin or hanging differently than before
- The jewelry moving more freely than it should
If you notice any of these, the piercing is likely migrating. Continuing to wear the jewelry at that point increases the risk of scarring and tissue damage. Many people with smiley piercings find they eventually lose them to migration or rejection regardless of how well they care for them, simply because there isn’t enough tissue to anchor the jewelry long-term.
Infection Risk in the Mouth
Your mouth is full of bacteria. That’s normal and healthy, but it also means an open wound inside your mouth has constant exposure to microorganisms. A smiley piercing creates exactly that wound. Eating, drinking, smoking, and even talking introduce new bacteria to the healing site throughout the day. Infection symptoms include increasing pain, swelling that gets worse rather than better, pus, and a foul taste or smell. An untreated oral infection can spread to the surrounding tissue and, in severe cases, enter the bloodstream.
Healing Timeline
A smiley piercing typically heals within 4 to 12 weeks when there are no complications. That’s a wide range, and your actual healing time depends on how well you maintain aftercare, whether the jewelry fits properly, and how much you irritate the piercing through eating, talking, and facial movement. The inside of the mouth does heal faster than external skin in general, but the constant moisture and bacterial exposure can offset that advantage if aftercare slips.
Jewelry That Reduces (but Doesn’t Eliminate) Risk
The material matters. Cheap metals increase the chance of irritation, allergic reaction, and infection. The Association of Professional Piercers recommends specific grades of metal for any initial piercing. Implant-grade titanium (ASTM F-136 compliant) is lightweight and ideal for anyone with nickel sensitivity. It can also be anodized into different colors without affecting its safety. Surgical steel is another option, but only specific grades are biocompatible, those meeting ASTM F-138 or ISO 5832-1 standards. Niobium is similar to titanium and has a long track record, though it lacks an official implant-grade designation.
Gold can work if it’s 14 karat or higher, nickel-free, cadmium-free, and alloyed for biocompatibility. Anything above 18 karat is too soft and scratches easily, creating rough surfaces that harbor bacteria. Gold-plated, gold-filled, or vermeil jewelry is not safe for a fresh piercing. The coating wears off and exposes whatever cheaper metal is underneath.
Even with the best jewelry, the fundamental problem remains: metal sitting against teeth and gums causes mechanical damage over time. Better materials reduce irritation and allergic reactions, but they don’t prevent enamel erosion or gum recession.
How to Care for a Smiley Piercing
If you decide to get one, aftercare is the single biggest factor in avoiding infection during healing. The Association of Professional Piercers recommends brushing your teeth and using a rinse (saline solution or alcohol-free mouthwash) at least twice a day, plus after every meal. Rinse with filtered or bottled water after eating, drinking anything other than water, or smoking.
Avoid mouthwash that contains alcohol or hydrogen peroxide. Both irritate the wound and slow healing. Stick to a plain saline rinse or a gentle, alcohol-free mouthwash instead. Don’t play with the jewelry, don’t twist it, and try to minimize contact with it while eating. Spicy, acidic, and very hot foods will sting and can inflame the area during healing.
The Long-Term Reality
Many smiley piercings don’t last. The frenulum is thin enough that normal wear gradually thins the tissue further, leading to migration or outright rejection over months or years. Some people keep theirs for a long time without obvious problems, but subclinical damage to enamel and gum tissue can accumulate silently. You may not notice gum recession until it’s advanced enough to cause sensitivity or require treatment.
If you value the look and accept the risks, choosing an experienced piercer who uses properly certified jewelry and following strict aftercare will give you the best chance of healing without complications. But even under ideal conditions, the anatomy of this piercing makes long-term dental damage a genuine possibility rather than a remote one.