Veneer Damaged or Fallen Off: What the Exposed Tooth Needs in the First 48 Hours

Most advice about a lost veneer concentrates on the veneer. The more useful subject is the tooth it came off, because that is what is now unprotected, and how it is handled over the next day or two affects what can be done afterwards.

Under a prepared veneer there is often exposed dentine — the layer beneath enamel, shot through with millions of microscopic tubules running from the outer surface towards the nerve. Each tubule contains fluid.

When cold air, cold water or a sugary drink hits an open tubule, the fluid inside moves rapidly. That movement deforms nerve endings at the inner end of the tubule, and the brain reads it as a sharp, brief pain. This is the hydrodynamic mechanism, and it explains the characteristic pattern: intense but short, provoked by cold and air, and absent when nothing is touching the tooth.

Two useful implications follow.

The sharper it is to cold air, the more likely dentine is exposed rather than enamel. That is worth mentioning when you call.

Pain that lingers for more than half a minute after the stimulus is removed, or that occurs spontaneously, is different. That suggests the nerve itself is inflamed, and it changes the urgency. Our article on an exposed nerve and emergency bonding covers this distinction.

Sensitivity is uncomfortable but it is not the reason to act quickly. These are:

Decay. A prepared surface is roughened, and exposed dentine is considerably softer and dissolves at a higher pH than enamel — meaning it begins demineralising with far less acid challenge. Plaque accumulates readily on it. Weeks of exposure in a visible, frequently-snacked-past front tooth is a genuine risk.

Staining. Exposed dentine absorbs pigment quickly. A tooth that picks up coffee or wine staining while uncovered may not match the veneer when it is re-bonded, and may need internal cleaning first.

Drift. This is the one most people do not anticipate. Teeth move. A prepared tooth is narrower than the veneered tooth was, so the adjacent teeth have room to close towards the space. Within a few weeks a veneer that would have fitted perfectly may no longer seat — which converts a re-bond into a remake.

Over-eruption of the opposing tooth, for the same reason, where the veneer was building the biting edge.

Further fracture. A prepared front tooth without its veneer is thinner and less supported than a natural one. Biting into something firm can fracture it, and that is a much larger problem than a lost veneer. Our article on whether veneers damage natural teeth and our article on protecting underlying tooth structure cover how much structure is typically involved.

Soft tissue trauma. A sharp remaining edge of porcelain or tooth can lacerate the tongue or lip repeatedly.

The short version: days are fine, weeks are not.

Find the veneer and keep it dry. A small rigid container or a pill box. Not tissue, not a pocket. If it is whole and undamaged, re-bonding is often possible and is far quicker and less costly than a remake.

Do not use any household adhesive. Superglue is not a dental material. It is not intended for oral use, it bonds irreversibly to the fitting surface so the veneer can no longer be properly re-treated, it can burn soft tissue, and removing it means removing more tooth. Our article on why superglue must never be used on dental work sets out the consequences. Temporary denture repair kits and over-the-counter cements are similarly unsuitable for veneers.

Stop chewing on that tooth entirely. Use the other side; cut food rather than biting into it.

Manage the sensitivity. A desensitising toothpaste containing potassium nitrate or stannous fluoride, rubbed onto the exposed surface with a clean fingertip and left rather than rinsed away, is more effective than simply brushing with it. Repeat a few times a day. Avoid very hot and very cold drinks, and avoid acidic drinks, which open the tubules further.

Keep it clean, gently. Plaque on exposed dentine is the decay risk. Brush softly with a soft brush rather than avoiding the area.

Cover a sharp edge with orthodontic wax or a piece of sugar-free chewing gum as a stopgap.

Photograph it before you go in — useful if it changes.

Contact the practice. Explain whether the whole veneer came off or a piece broke, whether you have it, and whether the tooth is sensitive to cold. That triages the appointment correctly. Our emergency dental page covers urgent access.

Arrange to be seen the same day if there is:

• Pain that continues for more than thirty seconds after cold, or that wakes you.

• Spontaneous, throbbing pain without any trigger.

• Swelling of the gum or face.

• A sharp edge repeatedly cutting the tongue or lip.

• Bleeding from the gum around the tooth that does not settle.

• A visible fracture line in the tooth itself rather than the veneer.

Otherwise, within a few days is appropriate — but do not let it drift into weeks.

A lost front veneer on holiday or before an event is common and manageable.

The interim options are a temporary composite covering or a laboratory-free direct build-up, either of which protects the preparation and restores appearance well enough to function. This is exactly what temporary restorations are for. Our article on emergency dental bonding covers what a temporary repair involves, and our article on a lost crown before an event covers the same problem in a different restoration.

If you are abroad, a temporary covering placed locally is usually preferable to leaving the tooth bare for a week, provided you keep the original veneer and have it assessed on return. Our article on a crown lost while eating and our article on a lost temporary before the final restoration cover related situations.

The clinician will establish whether the veneer is intact, whether the preparation is sound, whether there is decay, and whether the tooth has moved. Then, in rough order of preference:

• Re-bond the original veneer, after re-treating both surfaces and identifying why it came off.

• Repair the tooth or veneer with composite, where a fragment is missing.

• Place a temporary covering and make a new veneer.

• Reconsider the restoration entirely if the underlying tooth has changed enough — for example, if there is now substantial dentine exposure or decay.

Expect a conversation about the cause as well as the fix. A restoration that failed once under the same conditions tends to fail again.

• The exposed preparation, not the missing veneer, is what needs protecting.

• Sensitivity comes from fluid movement in open dentine tubules; lingering or spontaneous pain is a different, more urgent sign.

• Decay, staining, tooth drift and further fracture are the real risks of leaving it uncovered.

• Days are acceptable; weeks can turn a re-bond into a remake.

• Keep the veneer dry and intact, and never use household adhesive.

• A temporary covering is a reasonable interim step when you cannot be seen immediately.

If a veneer has come off or been damaged, prompt assessment protects the tooth underneath and keeps the simpler options available. You can contact our team or read about porcelain veneers.

This article is provided for general information only and does not constitute dental advice. If you experience persistent or spontaneous pain, facial swelling, difficulty swallowing or breathing, seek urgent professional care.

Next review due: 11 August 2027