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Veneers — Fundamentals

Veneers and Your Bite

By Dr. Kathryn Sudikoff, DMDLVI Fellow · Neuromuscular Dentistry
Medically reviewed by Dr. Kathryn Sudikoff, DMD

The leading long-term complication of porcelain veneers is fracture, not decay. Fracture is a force problem, which makes the bite — where teeth meet, how hard, and whether you clench at night — one of the most consequential things to understand before thin ceramic is bonded to your front teeth.

Why does the bite matter so much for veneers?

Because the evidence points at force. Analysed as isolated failure modes over ten years, veneers showed 96.3% survival against fracture and 99.2% against debonding, but 99.3% against decay and 99.0% against needing root-canal treatment. Mechanical failure is roughly an order of magnitude more likely than biological failure.

A veneer is a thin ceramic shell bonded to the front of a tooth. Bonded to sound enamel it is remarkably strong. But it is being asked to survive every contact those teeth make, thousands of times a day, for years — and if the way your teeth come together concentrates load onto the front teeth, that is where the load lands.

What does clenching and grinding do to veneers?

It applies sustained, high force outside normal function — often at night, often unconsciously, and often for far longer than chewing ever does. The ADA states plainly that if you clench or grind your teeth, or have a deep overbite, veneers may not be a good choice.

The important word in that sentence is "may". Clenching is not an automatic disqualification. It is a finding that has to be understood before a plan is made, and usually managed after one is — commonly with a night guard, and sometimes by addressing why the clenching is happening at all.

What does a bite assessment involve?

Looking at how the teeth meet in closure and in movement — which teeth touch first, which carry load when the jaw moves side to side and forward — along with signs of wear, muscle tenderness, and any history of jaw pain, headaches or clicking.

Some of this is visual and some of it is measured. Practices that treat jaw function as a discipline in its own right may also use diagnostics such as electromyography, which records muscle activity, or T-Scan digital bite evaluation, which records the timing and distribution of contacts rather than leaving it to a marking strip and judgement.

What if I already have jaw symptoms?

Then the jaw is part of the cosmetic plan, not a separate matter to deal with afterwards. Headaches, clicking, jaw tension, or ear symptoms alongside worn front teeth suggest the wear and the symptoms may share a cause — and placing porcelain over the wear without addressing the cause leaves that cause in place.

This is where cosmetic dentistry and TMJ treatment stop being separate subjects. The teeth, the joints and the muscles that move them are one system, and a smile plan that ignores two thirds of it is working with incomplete information.

What does good planning look like?

  1. Assess the bite and any jaw symptoms before designing the smile, not after.
  2. Establish why any existing wear happened — wear is evidence, not just damage.
  3. Design the result so the new edges work with how the jaw actually moves.
  4. Check and adjust the contacts at the fit appointment, and again once things settle.
  5. Protect the work where clenching is part of the picture, usually with a night guard.

The thing worth knowing

Everything above is standard prosthodontic reasoning, not a special technique. It is simply the difference between treating veneers as a covering and treating them as a restoration that has to survive a functioning jaw.

Frequently asked questions

Cosmetic dentistry in Dilworth, Charlotte

Wondering whether veneers are right for you?

Book a consultation with Dr. Kate. We'll look at your teeth, your bite and your goals, and be honest about whether veneers — or something more conservative — is the better fit.

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