How to Apply a Tooth Gem at Home: Step-by-Step Guide
Short version: clean and dry the tooth, apply etching gel for 10–20 seconds, wipe off and dry completely, apply bonding gel, place the gem with a wax pen, and cure for 3–4 minutes. Set aside 20–30 minutes for your first one — it drops to about 10 by your third.
The whole job hinges on one thing: keeping the tooth dry. Almost every gem that falls off in the first week failed there.
Before you start
- Have a dental check first if you haven't had one recently. Gems shouldn't go on decayed surfaces, and thin or weakened enamel, gum disease and orthodontic work all change whether this is suitable for you.
- Brush beforehand, but skip whitening toothpaste on the day — residue interferes with bonding.
- Pick your tooth. Upper front teeth are the easiest to reach and the most flattering. Avoid the biting edge and keep clear of the gum line.
- Work in good light, in front of a mirror, sitting down. Lay everything out before you open anything.
What you'll need is all in the Installation Kit: etching gel, bonding gel, flowable composite, LED curing light, mouth retractor, wax pen, tweezers, microbrushes and cosmetic sponges. One kit covers up to 20 applications.
Step 1 — Isolate and dry (2 minutes)
Fit the mouth retractor. It looks dramatic but it's doing the most important job in the whole process: holding your lips clear so saliva can't reach the tooth.
Place a cosmetic sponge or roll inside your lip against the gum, then dry the tooth surface thoroughly. It should look completely dry — not damp, not shiny with saliva.
Step 2 — Apply the etching gel (10–20 seconds)
Using the syringe with the application tip attached, apply a small amount of etching gel to the exact spot where the gem will sit. Cover an area slightly larger than the gem, no more.
Leave it for 10–20 seconds — follow the timing in your kit instructions and don't extend it.
Wipe off the etching gel with the sponge provided, then dry again, completely. A properly prepped surface looks slightly chalky and matte compared to the shine of the surrounding enamel. That matte patch is what the adhesive grips.
If saliva touches the tooth at any point after this, dry it again before continuing.
Step 3 — Apply the bonding gel (30 seconds)
With a fresh microbrush, apply a thin, even layer of bonding gel over the prepped area. Thin is the operative word — a thick layer cures unevenly and leaves a visible ridge.
Cure it with the LED light for 30 seconds, holding the light close and steady.
Step 4 — Place the gem (1–2 minutes)
Apply a small dot of flowable composite to the back of the gem — roughly enough to cover the flat back without squeezing out around the edges.
Press the wax pen onto the top of the gem to pick it up. This is the only practical way to handle a 2mm flatback; tweezers are for getting it out of the packet, not for placing it.
Position it on the prepped spot and press gently but firmly.
Check it before you cure. Look in the mirror, check the alignment from straight on and from a slight angle, and adjust now if it's sitting crooked. Once it's cured, it's set — this is the moment to be fussy.
Step 5 — Cure (3–4 minutes)
Cure with the LED light for 3–4 minutes directly over the gem, then give it another pass from a slight angle so the edges cure fully.
Undercuring is invisible — the gem looks finished and holds for a few days before letting go. Give it the full cure time.
Step 6 — Check the edges and finish
Run your tongue over the gem. It should feel smooth where it meets the tooth. If you can feel a rough ledge of excess composite, that's a plaque trap — gently remove excess and cure again.
Take out the retractor. Then don't eat or drink for 1 hour while the adhesive fully sets.
The five mistakes that cause most failures
- A tooth that wasn't fully dry. The single biggest cause. Use the retractor, use the sponges, and re-dry after any rinse.
- Skipping or shortening the etching step. Without it you're gluing to a smooth surface, and it will lift.
- Too much composite. Excess squeezes out and forms a ledge that traps plaque and catches on food.
- Undercuring. Give it the full 3–4 minutes, plus an angled pass. Not a few seconds because it looks done.
- Placing it on the biting edge. Every bite then works directly against the bond.
Aftercare
- No eating or drinking for 1 hour after application
- Soft foods for the first 24 hours; avoid biting directly on the gem after that
- Brush gently around the gem with a soft-bristled brush, and floss around it daily — plaque collects at the gem's edge more easily than on bare enamel
- Switch to an alcohol-free mouthwash; alcohol gradually degrades the bond
- Skip whitening products while wearing a gem
- Try not to play with it with your tongue — this is genuinely how a lot of gems come off
A well-applied flatback gem typically lasts 2–6 months. Larger titanium or silver charms sit closer to 1–4 months, because their surface area puts more leverage on the bond.
Troubleshooting
It fell off within a few days. Almost always moisture or undercuring. Clean the gem, dry the tooth thoroughly, and reapply from step 1 — your kit has plenty of material left.
It feels rough or catches on my tongue. Excess composite around the edge. Worth having smoothed rather than living with, since it's a plaque trap.
It's crooked and already cured. Don't try to lever it off. See a dental professional to have it removed, then reapply.
My tooth feels sensitive. Some brief sensitivity after the etching step isn't unusual. If it persists, or if the gum around it is irritated, remove it and see a dentist.
Removing a tooth gem
Have it professionally removed. Scraping, picking or levering a gem off at home is where most genuine enamel damage happens — it's a short, inexpensive appointment, and it's the one step in this whole process worth outsourcing.
Frequently asked questions
How long does it take to apply a tooth gem at home?
Around 20–30 minutes for a first application, including setup and drying time. Most people are down to about 10 minutes by their third gem.
Does applying a tooth gem hurt?
No. Nothing is drilled or cut. Some people notice brief sensitivity after the etching step, which usually settles quickly. Persistent sensitivity is a reason to remove the gem and see a dentist.
Can I apply a tooth gem by myself?
Yes, on upper front teeth — they're visible in a mirror and easy to reach. Lower and side teeth are genuinely awkward solo; a friend makes those much easier.
How long do I have to wait before eating?
1 hour before eating or drinking anything, then soft foods for the first 24 hours.
What if the gem is crooked?
Check and adjust before curing — that's the only easy moment. If it's already cured, have it removed professionally rather than levering it off yourself.
How many gems can I apply with one kit?
The MintGemz Installation Kit contains enough etching gel, bonding gel and composite for up to 20 applications.
Can I put a tooth gem on a crown or veneer?
Bonding behaves differently on restorations than on natural enamel, and results are unpredictable. Ask your dentist first.
Everything you need is in the MintGemz Starter Kits — shipped from the Gold Coast, free standard shipping on Australian orders over $100.
Related reading
- How to remove a tooth gem — when it's time for a change
- How long do tooth gems last — making yours last longer
- Tooth gem designs & placement — where to put it
Cosmetic use only — not a substitute for professional dental care. Not suitable for everyone. Consult your dentist if you have weak enamel, cavities, gum disease, or braces. If you experience discomfort or irritation, discontinue use and see a dental professional.