Why Does My Crown Hurt When I Bite Down?

Quick answer: Why does my crown hurt when I bite down? Common causes include a crown that contacts the opposing tooth too heavily, inflammation inside or around the tooth, decay beneath the crown's edge, a loose restoration, or a crack. Mild sensitivity after a new crown may improve. However, sharp, worsening, or persistent biting pain should be evaluated.

At Bailey Family Dental in Whittier, we evaluate the bite, crown, tooth, pulp, gums, and surrounding bone before recommending treatment. This article focuses specifically on pain from a crowned tooth during biting. For pain in a tooth without a crown, visit our Tooth Pain When Biting Down page. For information about the restoration itself, visit Dental Crowns.

Why Can a Crowned Tooth Hurt With Pressure?

Pain during biting can come from the crown, the tooth beneath it, the ligament around the root, or the nearby gums. The timing and trigger help narrow the possibilities, but symptoms alone cannot confirm the diagnosis.

The Crown May Contact Too Heavily

A recently placed crown can sometimes make contact before the neighboring teeth. That extra force may irritate the periodontal ligament that supports the root. The tooth may feel bruised, tender, or noticeably higher when you close your mouth.

If an uneven contact is responsible, the dentist may adjust and polish the biting surface. However, not every crowned tooth with biting pain needs an adjustment. The bite should be tested before the crown is altered.

The Pulp May Be Inflamed or Infected

A crowned tooth may still contain living pulp tissue. That tissue can become irritated after treatment or develop inflammation later. Lingering temperature pain, spontaneous aching, or pain that interrupts sleep can suggest deeper pulpal involvement.

Testing determines whether the pulp appears healthy, temporarily irritated, or unlikely to recover. When the diagnosis supports it, root canal treatment may be considered. The dentist must also determine whether the crown and tooth remain restorable.

Decay or a Loose Crown May Be Present

The crown material cannot develop a cavity, but the natural tooth can decay near or beneath the crown's margin. A loose or poorly sealed crown may also move under pressure. Other clues can include food trapping, a rough edge, odor, a bad taste, or new temperature sensitivity.

Our Cavity Under a Filling or Crown page explains recurrent decay and how treatment depends on the remaining tooth structure.

The Tooth or Crown May Be Cracked

A crack can cause sharp or inconsistent pain when pressure is applied. Some cracks hurt when pressure is released. Others are difficult to localize and may not appear clearly on a dental X-ray.

A clinical examination may include bite testing, gum measurements, pulp testing, magnification, and imaging. Visit our Cracked Tooth Treatment page for a broader explanation. Our article Can a Crown Fix a Cracked Tooth? explains the separate treatment decision.

Grinding or Clenching May Overload the Tooth

Grinding and clenching can place repeated force on a crown and the supporting tooth. The discomfort may be worse after waking or during stressful periods. Wear patterns, jaw-muscle tenderness, and the way the teeth contact can help the dentist determine whether excess force is contributing.

The Gums or Supporting Tissues May Be Sore

Inflamed gums around a crown can feel tender during chewing, brushing, or flossing. Gum recession may also expose a sensitive root surface. Bleeding, swelling, a deep gum pocket, or an isolated area of tenderness should be examined.

If bleeding or recession is part of the problem, visit our Gum Disease Treatment page. If cold is the main trigger, our Tooth Sensitivity to Cold page may be more relevant.

Is It Normal for a New Crown to Hurt When Biting?

Mild sensitivity can occur after a crown is placed, especially during the first couple of weeks. Gum tenderness may also occur briefly. The symptoms should generally improve rather than become stronger.

Call the dentist if the crowned tooth clearly hits first, biting remains uncomfortable, or the pain worsens. Also call if you develop spontaneous pain, lingering heat or cold pain, swelling, or discomfort that wakes you. These patterns deserve an examination rather than months of waiting.

What Should You Do Until the Crown Is Checked?

• Avoid hard, crunchy, or sticky foods on that side.
• Do not keep biting repeatedly to test the tooth.
• Do not file or reshape the crown yourself.
• Continue gentle brushing and flossing unless your dentist gives different instructions.
• Note whether the pain occurs on biting, release, cold, heat, or without a trigger.
• Call the dental office if the crown feels loose or the symptoms are worsening.

If a temporary crown loosens or comes out, follow our guide on What to Do If Your Temporary Crown Falls Off. For a permanent restoration, read What to Do If You Lose a Filling or Crown.

How Does a Dentist Diagnose and Treat Crown Pain?

The examination may include checking the bite, tapping the tooth, testing the crown for movement, examining its margins, and measuring the gums. The dentist may also use temperature or pulp tests. Dental X-rays can help identify decay, bone changes, and infection, but they do not reveal every crack or crown problem.

Treatment should match the diagnosis. Options may include monitoring improving sensitivity, adjusting a heavy contact, treating the gums, recementing or replacing a loose crown, removing decay, or performing root canal treatment when clinically indicated. A severely fractured or nonrestorable tooth may require a different plan.

When Is Crown Pain Urgent?

Call promptly if the pain is severe or rapidly worsening. Swelling, fever, drainage, a bad taste, facial swelling, trauma, or difficulty chewing also deserves timely guidance. Pain that interrupts sleep or happens without a trigger may indicate deeper inflammation.

Our Emergency Dentist page explains when urgent dental care may be appropriate. Facial swelling that affects breathing, swallowing, the eye area, or the neck requires emergency medical attention.

Crown Pain When Biting FAQs

Why does my crown hurt when I bite down years later?

New pain around an older crown may come from recurrent decay, a loose crown, a crack, gum changes, grinding, or inflammation inside or around the tooth. The crown's age does not identify the cause by itself. An examination and appropriate imaging can help narrow the diagnosis.

Can a tooth with a crown still get a cavity?

Yes. The crown cannot decay, but the natural tooth can develop a cavity near or below the crown's edge. Regular cleaning and dental examinations help monitor this area.

Can a root-canal-treated tooth hurt when biting?

Yes. Root canal treatment removes pulp tissue, but the ligament, bone, gums, crown, and remaining tooth can still produce symptoms. Possible causes include a heavy bite, inflammation around the root, a loose restoration, or a crack. Testing is needed to determine the source.

Will crown pain go away on its own?

Mild sensitivity after recent treatment may improve. Persistent biting pain from a heavy contact, loose crown, decay, or structural problem often needs professional evaluation. Call sooner if the symptoms worsen or the bite feels uneven.

Can a dentist adjust a crown that hurts?

A dentist may adjust the crown when testing confirms that a heavy contact is contributing. However, adjusting the crown will not treat every cause of pain. Do not attempt to file the restoration at home.

How long should I wait before calling about biting pain?

You do not need to wait for severe pain. Call if the tooth hits first, you cannot chew comfortably, or the symptoms are not improving. Seek faster guidance for swelling, spontaneous pain, fever, drainage, trauma, or pain that interrupts sleep.

Related Crown and Tooth Pain Resources

• Dental Crowns
• Tooth Pain When Biting Down
• Cavity Under a Filling or Crown
• Cracked Tooth Treatment
• Can a Crown Fix a Cracked Tooth?
• Root Canal Treatment
• What to Do If Your Temporary Crown Falls Off
• What to Do If You Lose a Filling or Crown