After getting a dental crown, the most important thing is to wait for the numbness to wear off before eating or drinking anything hot. Local anesthesia typically fades within about two hours, and during that window you risk burning your mouth or biting your cheek or tongue without realizing it. Once sensation returns, stick to soft foods for the first 24 hours and avoid chewing directly on the new crown until it feels comfortable.
Beyond that first day, there’s a short adjustment period where some sensitivity is completely normal, along with a few habits worth building to keep the crown in good shape for years.
Eating and Drinking in the First 24 Hours
For the first day, keep your meals soft and close to room temperature. Scrambled eggs, yogurt, mashed potatoes, soup (not scalding), and pasta all work well. Avoid anything that puts stress on the crown before the cement has fully set and the surrounding tissue has started to settle.
Specifically, stay away from:
- Hard or crunchy foods like nuts, pretzels, chips, and ice
- Sticky or chewy foods like caramel, taffy, and fruit gummies
- Tough foods like bagels and thick-cut meats
- Very hot or very cold foods and drinks, which can trigger sensitivity in the freshly prepped tooth
After 24 hours, you can gradually reintroduce your normal diet. Most people are eating comfortably within a few days, though you may want to favor the opposite side of your mouth for the first week if the crowned tooth still feels tender.
Sensitivity and Pain After Placement
Some degree of sensitivity to cold, pressure, or both is normal in the days following crown placement. When your dentist shaped the tooth to fit the crown, a thin layer of enamel was removed. That process can irritate the nerve inside the tooth, and the nerve needs time to calm down. Sensitivity typically lasts no longer than a couple of weeks and sometimes resolves in just a few days.
Over-the-counter pain relievers like ibuprofen are usually enough to manage any discomfort. If you notice that biting down feels “off,” as if one spot on the crown hits before the rest of your teeth come together, that’s a sign the crown may be slightly too high. A high bite creates uneven pressure that can cause persistent pain when chewing, increased sensitivity to temperature, and even tension in your jaw muscles that makes speaking uncomfortable. This is a simple fix: your dentist can adjust the crown’s surface in minutes, so don’t wait it out hoping it will improve on its own.
Caring for a Temporary Crown
If you’re in the waiting period between your first appointment and the permanent crown, you have a temporary crown protecting the prepared tooth. Temporary crowns are held on with weaker cement by design, since they need to come off easily at your next visit. That means they’re more vulnerable to popping off.
Brush and floss as usual, but be gentle. When flossing around the temporary crown, pull the floss out to the side rather than snapping it up through the contact point, which can tug the crown loose. Avoid sticky foods entirely during this period. Caramel, gummy candy, and even thick, chewy bread can grab the temporary crown and pull it right off. Hard foods, very hot or cold items, and sugary foods that could seep under the edges and cause decay should also be avoided.
If your temporary crown does come off, call your dentist promptly. The exposed tooth underneath is vulnerable to shifting, sensitivity, and decay.
Long-Term Cleaning and Maintenance
A crowned tooth can still develop decay, but not on the crown itself. The vulnerable spot is the margin, the line where the crown meets your natural tooth just at or below the gumline. Bacteria and plaque collect there just like they do on natural teeth, and if decay develops at that margin, it can undermine the crown from below.
Clean around a crown exactly as you would a natural tooth: brush twice a day and floss daily. Wrap the floss into a C-shape against the side of the tooth and slide it up and down several times on both sides. If you find it hard to reach, interdental brushes, water flossers, and floss holders can make the job easier and more thorough. An electric toothbrush is also a good investment, as it tends to clean more effectively with less effort.
There’s nothing special you need to buy. Consistent daily cleaning is what protects the crown long-term.
How Long Crowns Typically Last
The lifespan of a crown depends on the material and how well you maintain it. In a large study tracking crowns over a decade, metal crowns had a 68% survival rate at 10 years, while all-porcelain crowns came in at 48%. Across multiple studies, about 11% of crowns experienced some type of complication, with the most common being the need for a root canal (3%), porcelain chipping or fracturing (3%), and the crown coming loose (2%). Other research has estimated a median crown lifespan of around 14.6 years.
Modern materials, including newer ceramic and zirconia options, have improved since those studies, but the fundamentals haven’t changed: crowns that are well-fitted, well-maintained, and not subjected to grinding or heavy clenching last the longest. If you grind your teeth at night, ask your dentist about a night guard, as grinding is one of the fastest ways to crack or wear down a crown.
Signs Something Is Wrong
Most crown placements go smoothly, but there are a few things worth watching for in the weeks and months after:
- Pain that worsens instead of improving after the first two weeks, or throbbing pain that keeps you up at night, may point to nerve damage or an infection that wasn’t fully addressed before the crown was placed.
- A crown that feels loose or rocks slightly when you press on it with your tongue means the cement seal may be failing. Bacteria can get under a loose crown quickly, so this needs attention soon.
- A gap you can feel between the crown and the neighboring teeth, or edges that catch floss and shred it, can indicate a poor fit that will trap food and plaque.
- Persistent gum inflammation around the crown that doesn’t respond to good brushing and flossing may mean the crown margin is irritating the tissue or that an overhang is trapping debris.
Any of these warrants a call to your dentist. A faulty or failing crown that goes unaddressed can lead to decay underneath, gum disease, or the loss of the tooth the crown was meant to protect.