A crown is one of dentistry's workhorses — the fix for a tooth that's too damaged for a filling but far too good to lose. It's also the treatment patients have the most quiet questions about: Will it hurt? Why is it sensitive? How long will it last? What if it feels weird? Here's the complete, honest guide, from first visit to years down the road.
What a crown is, and when you actually need one
A crown is a custom cap that covers the whole visible tooth, restoring its shape and strength. The common reasons: a tooth with more filling than tooth left, a crack that will spread without protection, a tooth that's had a root canal (especially molars), a tooth broken by trauma, or occasionally a badly worn or misshapen tooth. The honest flip side: a small cavity doesn't need a crown, and we'll never sell you one that isn't earning its keep.
The procedure, step by step
Crown treatment is typically two comfortable visits. Visit one: we numb the tooth thoroughly, shape it so the crown has room to fit, take a precise impression or digital scan, and place a temporary crown so you leave looking and chewing normally. Visit two: the custom crown comes back from the lab, we try it in, fine-tune the fit and your bite until it feels like nothing at all, and cement it permanently. In between, treat the temporary kindly — skip sticky and very hard foods on that side, and if it comes loose, call us; it's a quick re-seat, not a crisis.
Does getting a crown hurt?
The procedure itself shouldn't — you're numb throughout, and most patients describe it as long-ish but easy. (Nervous in the chair generally? That's our specialty; see how we care for anxious patients.) Afterward, some sensitivity is genuinely normal: the tooth may zing a bit with hot and cold, and the gum around it may be tender for a few days. That settle-down period can run from a few days to a couple of weeks, gradually improving the whole way.
Pain that's NOT normal after a crown
- Pain when you bite down that doesn't fade within a few days usually means the crown is sitting a hair high. This is the most common crown complaint and the easiest fix there is — a few minutes of bite adjustment. Please don't spend a month chewing on one side out of politeness; come in.
- A constant ache or throbbing, or strong temperature sensitivity that lingers long after the stimulus, can mean the nerve inside the tooth is inflamed and struggling. Sometimes that calms down; sometimes the tooth needs more help. Either way, we want to see it.
- Pain plus swelling or a bad taste near the crowned tooth — call us promptly.
Front-tooth crowns: a word about looks
A crown on a front tooth is as much art as engineering. We match the shade to your neighboring teeth in natural light, shape it to suit your smile, and use materials chosen for how they handle light — because a front crown should be invisible in the best way. You'll wear a presentable temporary in the meantime, and we don't cement the final until you've seen it and love it. If your goal is purely cosmetic, it's worth reading veneers vs. bonding vs. whitening first — a crown covers the whole tooth for strength, while a veneer resurfaces just the front, and the right choice depends on how much healthy tooth you have and what job needs doing.
Common crown problems over the years — and what to do
- It came loose or off. Don't panic and don't glue it (please, no super glue). Save the crown, call us, and avoid chewing there — re-cementing is often quick if the tooth underneath is sound.
- A chip. Small chips in porcelain can often be smoothed or repaired; larger ones may mean a remake. Bring it to a checkup either way.
- A dark line at the gum. Classic sign of an older metal-based porcelain crown showing its edge as gums naturally recede — harmless, but if it bothers you in the mirror, modern all-ceramic crowns solve it beautifully.
- Decay at the edge. The crown can't decay, but the tooth at its margin can — this is the #1 thing that actually ends a crown's life, and it's exactly where brushing and flossing earn their pay.
- It just feels "off." Bites shift subtly over years. A crown that's started catching floss, trapping food, or feeling different is worth a look before it becomes a problem.
How long does a crown last?
The honest range: many years — commonly a decade or more, often well beyond — and the spread depends far more on habits than on luck. What shortens a crown's life: grinding and clenching (if that's you, a custom night guard is the single best investment you can make in it — ask us), chewing ice, cracking nuts and opening packages with your teeth, and letting decay sneak in at the margin. What lengthens it: brushing twice a day, flossing carefully along the gumline of the crowned tooth, and regular checkups where we can spot a tiny margin issue while it's tiny.
Caring for your crown
Treat it like a natural tooth with a nice suit on: brush, floss (slide the floss out sideways rather than snapping it up if it ever feels catchy), wear your night guard if you have one, and keep your cleanings. That's genuinely the whole regimen.
Cracked tooth today, or a crown that's acting up?
Whether you've been told you need a crown, an old one is misbehaving, or you just cracked a tooth over lunch, we'll give you a straight answer and comfortable care. Come see us at our Keene office or our Joshua office — no pressure, no upsell, just what the tooth actually needs.