Save An Infected Tooth

Root Canal Therapy In Santa Ana

Address Problems Inside Your Tooth

Root canal therapy treats inflamed or infected pulp, the soft tissue inside a tooth. Deep decay, cracks, or dental injuries can damage this tissue. Removing the affected pulp and sealing the canals can help relieve symptoms and preserve a tooth that can still be restored.


At World Smiles Dental, we examine your tooth and use imaging and diagnostic tests to determine whether root canal treatment is appropriate. Let us know if you notice any of these concerns:

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Tooth Pain That Persists Or Returns Over Time

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Lingering Sensitivity After Eating Hot Or Cold Foods

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Tenderness When Biting Down Or Chewing Your Food

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Swelling Or A Recurring Bump Along Your Gums

What Happens During Root Canal Therapy?

Your dentist numbs the area and isolates the tooth with a protective dental dam. A small opening provides access to the pulp chamber, where the affected tissue is removed. The canals are then cleaned, shaped, and filled to seal the internal space.


A temporary filling may protect the tooth between appointments or until the final restoration is ready. Depending on the remaining tooth structure, dental fillings or dental crowns complete the restoration. We explain your aftercare instructions and arrange follow-up visits to check healing.

Frequently Asked Questions

  • Does root canal treatment hurt?

    Local anesthesia is used to numb the tooth and surrounding area before treatment. You may feel pressure, but tell your dentist if you experience pain so your comfort can be addressed. Some tenderness afterward is possible, and our team will explain how to manage it and when to contact us.

  • How many appointments will I need?

    Root canal therapy may be completed in one or more appointments, depending on the tooth’s anatomy, infection, and treatment complexity. Additional visits may be needed for the final filling or crown. Your dentist will explain the expected schedule and how to protect the tooth between appointments.

  • Can I eat normally after root canal treatment?

    Wait until numbness wears off before eating to avoid biting your cheek or tongue. Follow the instructions provided and avoid biting hard foods with the treated tooth until its final restoration is complete. Your dentist will explain when you can return to normal chewing based on your tooth’s condition.

  • Is it better to remove the tooth instead?

    When a tooth can be predictably restored, root canal treatment may allow you to keep it. Extraction may be appropriate if the tooth is severely fractured or cannot be repaired. Your dentist will explain the outlook for the tooth and discuss replacement options, such as dental implants, if removal is necessary.

  • What if my tooth still hurts after treatment?

    Mild tenderness can occur during early recovery, but discomfort should gradually improve. Contact our team if pain persists, worsens, or returns, or if you notice swelling or an uneven bite. Your dentist can assess healing and determine whether an adjustment, further evaluation, or additional treatment is needed.

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Give Your Natural Tooth A Chance

Contact World Smiles Dental in Santa Ana to discuss tooth pain or a recommendation for root canal therapy. We’ll explain your options and help you take the next step toward restoring comfortable function.