Crown, Bridge, and Filling Aftercare: What to Do After Restorative Treatment

Short answer

• Wait until numbness has fully worn off before you chew, and avoid hot drinks while you are numb because you cannot judge temperature or feel a bite injury. On the first day, eat soft foods, chew on the opposite side where you can, and keep hard, sticky, and chewy foods away from the restored tooth. A composite filling is hardened with a curing light during the appointment, so eating can usually resume once sensation returns. An amalgam filling keeps hardening after placement, so dentists commonly advise avoiding chewing on that tooth for longer, often up to 24 hours for hard foods. A temporary crown is held with weaker cement on purpose, so treat it gently, avoid sticky foods that can pull it off, and slide floss out to the side rather than pulling it back up. Mild sensitivity to cold, heat, or pressure is common after a crown, bridge, or filling and usually fades over days to a couple of weeks. Gum soreness around a new crown or bridge is also common for a few days. Brush twice a day with fluoride toothpaste, clean between teeth daily, and pay special attention to the margin where the restoration meets the natural tooth. Under a bridge, clean beneath the replacement tooth every day with a floss threader, floss made for bridges, or an interdental brush your dental team recommends. Call your dentist promptly if a crown or bridge feels loose, a temporary crown comes off, a filling feels cracked or sharp, your bite still feels high after numbness is gone, pain is severe or getting worse, sensitivity lasts beyond a couple of weeks or wakes you at night, or swelling develops. Those signs need assessment. They are not solved by waiting or by changing your brushing.

By Emma Hudson

A new crown, bridge, or filling can feel strange on the day it is placed. The tooth may feel slightly larger, the bite may feel uneven once the numbness fades, and cold water may sting in a way it did not before. Most of those early sensations settle. Good aftercare in the first hours and days protects the restoration while it settles, and it also helps you tell the difference between normal adjustment and a problem that needs the dentist who treated you.

This article covers all three restorations together because they share the same first day rules, then separates them where the care differs. It explains what to do while you are still numb, when and what to eat, how to care for a temporary crown, how sensitivity usually behaves, how to clean at the margin of a crown or filling and underneath a bridge, and which warning signs should prompt a prompt call. It is general information only. It is not a substitute for the instructions from your own treating dentist, who knows the tooth, the material used, and how deep the work was. If your dentist gave you different instructions, follow theirs.

If you are deciding between restorative options rather than recovering from one, you may also find it useful to read about related treatments covered elsewhere on this site, including dental veneers and laminates, which cover only the front surface of a tooth, and how long a dental implant takes, which follows a very different timeline from a crown or bridge.

What Each Restoration Is, in Brief

A filling repairs a part of a tooth, usually after decay has been removed. The cleaned space is filled and shaped so the tooth can bite and be cleaned again.

A crown covers the whole visible part of a tooth. The American College of Prosthodontists and Cleveland Clinic both describe crowns as a way to strengthen, protect, and restore a weak, broken, or heavily filled tooth. The dentist reshapes the tooth, then fits a cap over it that restores its shape and chewing surface.

A bridge replaces one or more missing teeth. The American College of Prosthodontists explains that the teeth on both sides of the gap are prepared for crowns, a false tooth is joined to those crowns, and the whole bridge is cemented to the prepared teeth. The patient does not remove a fixed bridge. It is cleaned in place, with special aids to reach underneath it.

Knowing which one you have matters. A filling mainly needs protection while numbness lasts and, for some materials, while it finishes setting. A temporary crown needs the gentlest handling of all. A bridge needs a routine that reaches underneath it.

The First Hours After Treatment

While you are still numb

Local anesthetic commonly leaves lips, cheek, and tongue numb for a few hours. Exact timing varies by person, by the tooth treated, and by the anesthetic used, so use sensation itself, not the clock, as your guide.

While numbness lasts:

• Do not chew. You can bite your cheek, lip, or tongue hard enough to injure it without feeling it.
• Avoid very hot foods and drinks. You cannot judge heat accurately and can burn tissue without noticing.
• Drink cool or lukewarm water carefully if you wish. Some dripping is normal while lip control is reduced.
• Watch children closely until sensation returns. The strange numb feeling tempts children to chew the area, which can leave a sore.
• Avoid repeatedly testing the restoration with your tongue or fingers. Constant prodding irritates gums and can loosen a temporary.

Wait for the familiar tingling stage to pass and for normal feeling to return before your first proper meal. If numbness lasts far longer than the timeframe your dentist described, or part of your face feels weak rather than simply numb, contact the practice for advice.

The bite check once sensation returns

Your dentist checks your bite before you leave. That check is harder to judge while numb, so pay attention again once feeling returns.

Close gently and notice whether one tooth meets first or takes most of the force. A restoration can feel unfamiliar for a day without being wrong. A bite that clearly feels high is different. Contact the practice and say so. Left unadjusted, a high bite can cause aching, lingering sensitivity, and damage to the restoration or opposing tooth. An adjustment is usually a small appointment. Do not try to file it or bite hard to wear it in.

If you had a temporary crown or bridge

Many laboratory made crowns and bridges need two visits. At the first visit the tooth is reshaped and a mold or digital scan is taken. Leeds Teaching Hospitals NHS Trust describes the usual pattern: a temporary crown is made to protect the tooth and cemented with temporary cement, and the permanent crown is fitted at a later visit, often about two weeks later. Cleveland Clinic notes the same two stage idea for many crowns, with same day crowns as the exception described below.

Temporary cement is deliberately weaker so the temporary can be removed cleanly. That means a temporary is protective, not strong. Treat it as a placeholder:

• Chew on the opposite side where you can.
• Avoid sticky foods such as caramel, toffee, and chewing gum, which can pull a temporary off.
• Avoid hard foods such as nuts, ice, hard candy, and crusty bread on that side, which can crack or dislodge it.
• Brush gently around it. Do not skip cleaning, because plaque at the margin irritates gums and can affect how the permanent crown fits.
• Floss carefully. Slide the floss down gently, then pull it out to the side instead of lifting it back up between the teeth, because the upward pull can catch the edge of a temporary and lift it.

Eating After a Crown, Bridge, or Filling

The first day

For the first day, soft foods are the safest choice for all three restorations. Think yogurt, scrambled eggs, mashed vegetables, soft pasta, soup that is warm rather than hot, and smooth foods that need little chewing. Chew on the opposite side where possible, take smaller bites, and stop if biting causes sharp pain.

Avoid very hard, sticky, or chewy foods on the restored tooth at first, and follow any longer restriction your dentist gave you. Teeth and restorations can also be sensitive to extremes of temperature on the first day, so lukewarm foods and drinks are often more comfortable.

Composite fillings

Composite, or tooth colored, fillings are hardened with a curing light during the appointment. The American Dental Association describes composite resins as providing good durability and resistance to fracture in small to mid size fillings that must withstand the moderate pressure of chewing. Because the material is set before you leave, there is usually no material based wait once numbness has worn off. Your dentist may still advise a cautious first day, especially if the filling was large or deep. Follow that advice over any general rule.

Amalgam fillings

Amalgam, or silver colored, fillings behave differently. The material is firm when placed but continues to harden afterward. Dentists commonly advise avoiding chewing on that tooth for the first hours and avoiding hard foods on it for up to 24 hours, chewing on the other side instead. If fillings were placed on both sides, soft foods for the first day are the practical answer. Your dentist knows the size and position of your filling, so confirm the timing with them if you are unsure.

Permanent crowns and bridges

Once numbness is gone, a permanent crown or bridge is made to chew with. Build up gradually, start soft, and avoid habits that damage natural teeth too, such as chewing ice or opening packaging with your teeth. If biting hurts sharply, do not push through it. That points to a bite or nerve issue covered below.

Same day crowns

Same day crowns are designed and milled in the office with digital scanning and fitted at the same visit. Cleveland Clinic describes this CAD CAM approach, using digital impressions and an on site milling machine. There is no temporary stage. Aftercare is otherwise similar: wait out numbness, avoid very hard foods at first, watch the bite, and clean carefully at the margin.

Sensitivity, Soreness, and What Usually Settles

Sensitivity to temperature and pressure

Mild sensitivity to cold, heat, sweet foods, or biting pressure is common after crowns, bridges, and fillings. The tooth has been drilled, shaped, and sealed, and the nerve inside needs time to calm down. For many people sensitivity is strongest in the first few days and fades steadily over one to two weeks. A deep filling or a tooth that was already irritated before treatment can take longer to settle, which is one reason your own dentist’s expectation for your tooth matters more than a general timeline.

Patterns that suggest normal settling:

• A brief zing with cold water that fades within seconds.
• Mild awareness when biting something firm that improves day by day.
• Sensitivity that is clearly getting less frequent and less intense over the first two weeks.

Patterns that need a dental check:

• Sensitivity that is severe, spontaneous, or throbbing without a trigger.
• Pain that wakes you at night.
• Sensitivity to heat that lingers, or pain that stays for a long time after the hot or cold source is removed.
• Sensitivity that is getting worse after the first week instead of better.
• Sensitivity still present and unchanged after a couple of weeks.
• Pain combined with swelling, a bad taste, or a pimple like bump on the gum.

Do not assume prolonged sensitivity will always settle on its own. It can point to a high bite, a crack, decay left near the nerve, or inflammation inside the tooth that may need further treatment. Understanding that pathway helps explain why dentists take lingering pain seriously: decay and deep restorations that reach the nerve are also the route by which cavities can turn into root canals, so a tooth that does not settle deserves investigation rather than patience alone.

Gum soreness

Gums around a new crown or bridge are often sore for a few days. They have been pushed back slightly, worked around, and sometimes shaped during preparation and fitting. Mild tenderness, slight puffiness, and a small amount of bleeding when you first clean carefully are common in the first days.

Brush softly at the gumline, clean between teeth as advised, and use warm salt water rinses only if your team suggested them. If soreness worsens after improving, or swelling or increasing redness develops, contact your dentist. Those changes can signal trapped cement, a rough margin, infection, or food packed under a bridge.

Soreness from the injection and jaw

The injection site can ache, and the jaw can feel stiff after a long appointment. That usually fades over a few days. Use only pain relief your dentist or pharmacist advised for you personally. If stiffness, swelling, or bruising is severe or worsening, contact the practice.

Cleaning Crowns, Bridges, and Fillings

Cleaning is where aftercare turns into long term success. A crown or filling does not decay, but the natural tooth at its edge can. The margin, the line where restoration meets tooth, is where plaque collects and where new decay most often starts. Leeds Teaching Hospitals NHS Trust gives the core routine for crowns plainly: brushing twice daily with fluoride toothpaste, using floss or interdental brushes, and limiting how often sugar is consumed will help preserve the crown and the natural teeth.

Brushing

Brush twice a day with fluoride toothpaste and a soft brush. Angle the bristles toward the gumline and clean the margin of every crown, bridge, and filling as carefully as the chewing surface. Around a tender new crown, brush gently but do not skip the area. Plaque left for days because gums are sore will make those gums more inflamed, not less.

Keep the routine consistent. Reaching every margin every day matters more than fancy technique.

Cleaning between teeth

Clean between teeth daily with floss or interdental brushes sized by your dentist or hygienist. Around a permanent crown or filling, floss should glide through the contact and curve around each tooth surface. If floss catches, shreds, or snaps repeatedly at the same spot, mention it at your next visit or sooner if it is new after treatment. Catching floss can indicate a rough margin, an overhang, or excess cement that needs smoothing.

Do not use toothpicks or sharp household objects to dig around a restoration. They can scratch margins, injure gums, and dislodge a temporary crown.

Cleaning under a bridge, step by step

A fixed bridge has a replacement tooth, called a pontic, that sits over the gum where the natural tooth is missing. Ordinary floss cannot pass through the joined crowns from above, so you must clean from underneath. The American College of Prosthodontists notes that special aids are available to keep a bridge clean. The common options are a floss threader, floss with a stiff end and spongy section made for bridges, interdental brushes that fit the space, and, for some people, a water flosser recommended by their dental team.

1. Thread a length of floss through the loop of the floss threader.
2. Guide the threader gently under the pontic, from cheek side to tongue side, without forcing it.
3. Pull the floss through until the working section sits under the bridge.
4. Move the floss back and forth along the underside of the pontic and against the sides of the supporting teeth.
5. Slide the floss out, rinse it or move to a clean section, and repeat for each space under and beside the bridge.

Ask your dentist or hygienist to demonstrate on your own bridge. The right brush size depends on the space under your pontic: too large injures gums, too small cleans little.

Clean under a bridge daily, not only when food feels trapped. If the supporting teeth decay, the bridge itself is at risk.

Mouthwash and fluoride

Use mouthwash only as your dental team advises. It does not replace brushing or cleaning under a bridge. Extra fluoride for high decay risk is an individual decision, so ask rather than self prescribing.

Warning Signs: When to Contact Your Dentist Promptly

Contact your dentist promptly, the same day where possible, if any of the following occur. After hours, follow the practice’s urgent care instructions. Seek urgent care the same day for swelling that is spreading, difficulty breathing or swallowing, fever with dental pain, or trauma to the face. Those are not wait and see symptoms.

A crown, bridge, or temporary comes off or feels loose

Keep the crown if you can find it, rinse it gently, store it safely, and bring it to your appointment. Note which tooth it came from and whether the tooth underneath is painful or sensitive. Call the practice promptly and follow their instructions on whether to try to reseat it temporarily or leave it off until you are seen. Do not use household glue, superglue, or any household adhesive to refit a crown. Household glues are not made for use inside the mouth and can damage the tooth and make proper refitting harder. If the practice advises a temporary pharmacy dental cement, use only that product and only as they direct. If a loose crown could be swallowed, especially overnight, tell the practice when you call so they can advise on timing.

A permanent crown that comes off also needs prompt attention, even if it does not hurt. The prepared tooth underneath is smaller and more vulnerable than a natural tooth, and teeth can shift slightly, which can affect how the crown refits.

Bite feels high or uneven

As described above, a bite that still feels high after numbness has worn off, or that develops into aching when you chew, needs an adjustment appointment. Describe it clearly when you call: the restored tooth hits first, the bite feels uneven, or pain occurs on biting and releases. That detail helps the practice book the right appointment.

Pain, swelling, or a cracked or rough restoration

Call promptly if:

• Pain is severe, throbbing, or prolonged, or pain relief advised for you is not controlling it.
• Swelling develops in the gum, face, or jaw, or swelling is increasing.
• A filling feels cracked, rough, sharp, or partly missing, or you find a piece of filling or crown material.
• A crown or bridge feels loose, rocks when you touch it gently, or moves when you eat.
• You develop a bad taste, discharge, or a bump on the gum near the restored tooth.
• Sensitivity has not settled within a couple of weeks, or it returns after settling.

A sharp edge that is cutting your tongue or cheek also warrants a prompt call, even without pain. Covering it is a short term comfort question to ask the practice about, not something to file down yourself.

Long Term Care for Restorations

Long term, crowns, bridges, and fillings need the same care as natural teeth, plus attention to their margins and supports. The American College of Prosthodontists clinical practice guidance for restored teeth, led by Dr. Avinash Bidra at the University of Connecticut School of Dental Medicine and published in the Journal of Prosthodontics, calls for lifelong maintenance: routine dental examinations at least every six months, brushing with fluoride toothpaste at least twice a day, flossing at least once a day, following your dentist’s tailored home care recommendations, wearing a night guard regularly if recommended, and watching diet, including avoiding a high sugar diet.

In practice that means:

• Keep regular dental visits even when nothing hurts. Checks let a dentist spot margin problems, wear, cracks, looseness, or early decay before extensive damage occurs.
• Limit how often you have sugary foods and drinks, not only how much. Frequent sugar exposure between meals raises decay risk at margins.
• Protect against grinding. If you grind or clench your teeth at night, discuss a night guard. Grinding can crack crowns and fillings, wear opposing teeth, and shorten the life of a bridge.
• Do not use restored teeth as tools. Opening bottles, tearing packaging, and chewing ice are common causes of chipped porcelain and cracked fillings.
• Tell every new dentist what restorations you have and when they were placed. Records help, and your own note of dates and teeth treated is useful when you move practices.

No restoration lasts forever. Leeds Teaching Hospitals NHS Trust notes that a properly cared for crown should normally last around 8 to 10 years, depending on regular check ups, brushing and flossing technique, and a low sugar diet. Other crowns last longer and some fail sooner. Lifespan depends on material, position, bite forces, grinding, and home care. Treat any single lifespan figure as a guide, not a promise, and treat regular review as the way problems are caught while they are still small and repairable.

A tooth that needed a large filling may later need a crown, and options such as dental implants for replacing a missing tooth belong in review discussions with your own dentist, not in decisions made from aftercare guidance alone.

Frequently Asked Questions

How long should I wait to eat after a crown or filling?

Wait until numbness has fully worn off. After a composite filling, eating can usually resume at that point because the material was hardened during the appointment, starting with soft foods. After an amalgam filling, avoid chewing on that tooth for the first hours and avoid hard foods on it for up to 24 hours, as your dentist advises. With a temporary crown, eat soft foods and chew on the opposite side for as long as the temporary is in place. With a permanent crown or bridge, start soft on the first day and build up as comfort allows.

Is sensitivity normal after a crown or filling?

Yes, mild sensitivity is common. Brief sensitivity to cold, heat, or pressure that fades over days to a couple of weeks, and that is steadily improving, is the usual pattern. Severe pain, pain that wakes you at night, swelling, sensitivity that gets worse after the first week, or sensitivity still unchanged after a couple of weeks needs a dental check.

What should I do if my temporary crown comes off?

Keep the crown, rinse it gently, and contact your dentist promptly. Follow their instructions on whether to reseat it temporarily or come in for refitting. Do not use household glue or superglue. Chew on the opposite side and keep the exposed tooth clean and protected until you are seen, because the prepared tooth underneath is more vulnerable than a natural tooth.

Why does my bite feel high after treatment?

A filling or crown that sits slightly proud of the surrounding bite will meet the opposing tooth first, so it feels tall and takes extra force. Dentists check the bite at the appointment, but numbness can mask a high spot until sensation returns. If the bite still feels high once you are no longer numb, contact the practice for an adjustment. Do not try to wear it in by biting hard.

How do I floss around a bridge if the teeth are joined?

You cannot pass floss down between the joined units from above, so you clean underneath instead. Use a floss threader, bridge floss with a stiff end, or an interdental brush recommended by your dental team to pass floss under the replacement tooth, then move it back and forth along the underside and against the supporting teeth. Do this daily. Ask for a demonstration at your appointment so the size and angle are right for your bridge.

Can I brush normally after a crown, bridge, or filling?

Yes, with care at first. Brush twice a day with fluoride toothpaste, gently around a new crown or tender gums, and clean between teeth daily. Around a temporary crown, brush gently and slide floss out to the side rather than pulling it back up. Skipping cleaning because an area is sore allows plaque to build at the margin, which makes gums more inflamed.

How long do crowns, bridges, and fillings last?

It varies by material, tooth position, bite, grinding, and home care. One NHS teaching hospital guide gives around 8 to 10 years as a normal expectation for a properly cared for crown, while noting it depends on check ups, cleaning technique, and sugar intake. Fillings and bridges also have wide ranges. Regular examinations at least every six months, as prosthodontist guidance recommends for restored teeth, are how wear and early decay are caught before a restoration fails.

When is dental pain after treatment urgent?

Seek same day advice for swelling that is spreading, swelling with fever, difficulty breathing or swallowing, pain that is severe and not controlled by measures your dentist or pharmacist advised for you, a restoration that has come off a painful tooth, or injury to the face or teeth. For other warning signs, such as a loose crown, a high bite, or a cracked filling without severe symptoms, contact your dentist promptly and follow their timing advice.

Sources & references

• American Dental Association, MouthHealthy, Fillings (Tooth Colored). Composite resins provide good durability and resistance to fracture in small to mid size fillings needing to withstand moderate chewing pressure; prevention routine of brushing twice a day with fluoride toothpaste, flossing daily, balanced diet, and regular dental visits. https://www.mouthhealthy.org/all-topics-a-z/fillings-tooth-colored
• American Dental Association, MouthHealthy, Dental Amalgam. Amalgam described as a durable, safe, and effective filling option used for more than 100 years; hardens quickly relative to placement context and is a strong choice for large cavities in back teeth. Used here only for material background, not for setting time advice. https://www.mouthhealthy.org/all-topics-a-z/dental-amalgam
• Leeds Teaching Hospitals NHS Trust, Crowns. Crown defined as a restoration improving appearance, strength, and function; two visit pattern with a temporary crown cemented with temporary cement and the permanent crown fitted about two weeks later; care by brushing twice daily with fluoride toothpaste, floss or interdental brushes, and limiting sugar frequency; properly cared for crown normally lasting around 8 to 10 years depending on check ups, cleaning technique, and low sugar diet. https://www.leedsth.nhs.uk/patients/resources/crowns/
• American College of Prosthodontists, Bridges. Fixed bridge made by preparing teeth on both sides of a gap for crowns, joining a false tooth to the crowns, and cementing the whole bridge to the prepared teeth; patient cannot remove it and special aids are available to keep it clean. https://www.gotoapro.org/bridges/
• American College of Prosthodontists clinical practice guidelines for maintenance of restored teeth, summarized by University of Connecticut, 6 January 2016. Lifelong maintenance with examinations at least every 6 months, brushing with fluoride toothpaste at least twice a day, flossing at least once a day, dentist tailored home care, night guard if recommended, and avoiding a high sugar diet. Summary at https://www.sciencedaily.com/releases/2016/01/160106102533.htm
• Cleveland Clinic, Dental Crowns. Crown as a tooth shaped cap restoring weak, broken, or decayed teeth; same day crowns made with CAD CAM digital impressions and on site milling in one visit; resin commonly used for temporary crowns. https://my.clevelandclinic.org/health/treatments/10923-dental-crowns