How can I tell if my veneers are bad?

Something about your veneers is wrong and you cannot name it. They photograph reasonably well, your gums are unhappy, and the dentist who placed them says everything is fine.

Colour is the complaint people arrive with and rarely the real fault. The faults that matter are in the margins, the gums, the bite and the movement, and most of them are checkable.

Unhappy gums are the clearest sign of all

Gums that stay red, puffy and bleeding around veneers months after placement are reporting a problem with the veneers rather than with your brushing. Healthy tissue around well-finished work settles within weeks.

The usual cause is an overhang: a lip of material at the margin where the veneer meets the tooth, which holds plaque in a place no brush or floss can reach. Tissue cannot stay healthy against it.

Run floss down to the gum on each tooth. Floss that catches, shreds or stops at a ledge has found the overhang, and that is objective evidence rather than an impression.

What to feel for with your tongue

Margins should be undetectable. A step, a ridge, or a rough band where veneer meets tooth means the finish or the fit is wrong, and your tongue is a remarkably good instrument for finding them.

A grey or dark line appearing at the gum line is either a margin that has leaked and stained or the edge of the preparation showing through. Both need addressing rather than watching.

Teeth that feel thicker than they should, or lips that no longer close without effort, mean the veneers are over-contoured. That shows up in speech too, usually on s and f sounds.

• floss that catches or shreds at the gum
• a step or ridge you can feel with your tongue
• a dark line appearing at the margin
• lips that no longer meet comfortably
• a lisp or whistle that was not there before

Teeth with root canals are not appropriate for veneers in most cases, and would be restored with crown more predictably. It looks like your tooth has fractured. The "veneer" if it even was one, will need to be redone as a crown if there is enough tooth left. What remains of this tooth is borderline to restore even with a crown.

— r/askdentists

Asymmetry shows in movement, not in photographs

A still photograph taken straight on hides most proportional faults. Film yourself talking and smiling for thirty seconds and watch it back, because that is the version other people see.

Look for the midline sitting off-centre against your nose and lip, and for the line of the biting edges running flat instead of following the curve of the lower lip. Both read as wrong without anybody knowing why.

Teeth all the same length and the same shape is the other giveaway. Natural front teeth differ, and a row of identical rectangles is what makes work look like work.

A lot of times they are veneers. They’re just done well. Not all veneers look bad lol

— r/beauty

Colour faults are usually about translucency, not shade

Too white is the complaint, and flatness is usually the actual fault. Natural enamel is translucent at the edge and more opaque toward the gum, and veneers that are uniformly opaque look like plastic at any shade.

Mismatch against the teeth behind them is the other common one, visible when you smile widely rather than in a careful photograph.

Shade cannot be adjusted after placement. Changing it means remaking them, which is worth knowing before you ask.

The bite is the fault that breaks things

Veneers that hit before the rest of your teeth take the whole force of the bite on a thin layer of ceramic bonded to enamel. Chipping, debonding and fracture follow, often within a year.

Signs of it are jaw ache that started after placement, one tooth feeling high, and teeth that no longer meet evenly when you tap them together. A dentist checks this with a thin strip of marking paper in a couple of minutes.

Grinding makes all of this worse, and anyone who grinds should have been given a guard with the veneers. Being prescribed one after they chip is a conversation worth having.

Sometimes the fault is that veneers were the wrong treatment

Teeth that have had root canals, or that are mostly filling already, are generally poor candidates for veneers and better restored with crowns. A veneer bonded to very little remaining enamel has nothing to hold onto.

Significant crowding or a bad bite are orthodontic problems. Veneers placed to disguise them require far more tooth to be cut away and still look wrong in profile.

If this is the situation, a second opinion is the next step rather than another set. Take photographs, ask your dentist for the original records, and see someone who was not involved in placing them.

Really bad case for veneers, unfortunately. There's no quick fix that would be advisable. Invisalign would absolutely work here but would require someone that does a lot of Invisalign to get a good result.

— r/askdentists

Common questions

What are the signs of badly done veneers?

Gums that stay red and bleeding, floss that catches at the margin, a step you can feel with your tongue, a dark line at the gum, over-thick teeth affecting speech, and a bite that hits on the veneers first.

Why are my gums inflamed around my veneers?

Usually an overhang at the margin holding plaque where no brush reaches. Healthy tissue settles within weeks of well-finished work, so inflammation months later points at the restoration rather than at your cleaning.

Can bad veneers be fixed without replacing them?

Sometimes. Minor contour and polish issues can be adjusted, and bite problems can be corrected directly. Shade, opacity, overhangs and poor fit generally mean remaking them.

Why do my veneers look fake?

Most often uniform opacity and uniform shape rather than the shade itself. Natural teeth are translucent at the edges and differ from one another, so an even row of identical opaque rectangles reads as artificial.

Should I get a second opinion on my veneers?

Yes, if the gums are persistently inflamed, floss catches, the bite feels wrong, or they were placed on root-treated or heavily filled teeth. Bring photographs and ask for your original records before the appointment.

Do the two checks you can do yourself today: run floss to the gum on every veneer, and film yourself talking for thirty seconds. Catching floss and a drifting midline are the two findings that settle the question fastest.

If either turns up something, book a second opinion with someone who did not place them and bring your records. Faults at the margin and in the bite get more expensive the longer they sit.