Tooth pain that throbs, lingers after hot or cold, or wakes you up at night is often a sign that the inner tissue of your tooth has become infected. A root canal removes that infection, eliminates the pain, and saves the tooth — without the long-term costs and complications that come with extraction. At Smile Craft Dental, we provide same-day root canal evaluation and treatment at our Sunnyvale location for patients experiencing tooth pain or suspected infection.
Most patients who have had a root canal say the procedure felt no different from a routine filling. The discomfort comes from the infection — not the treatment. Our Sunnyvale emergency dentistry team prioritizes getting you out of pain quickly and preserving as much of your natural tooth structure as possible.
Signs You May Need a Root Canal
A root canal becomes necessary when bacteria reach the pulp — the soft tissue inside your tooth containing nerves and blood vessels. This can happen through a deep cavity, a crack, or trauma. According to the American Association of Endodontists, early treatment dramatically improves outcomes. Common warning signs include persistent throbbing tooth pain, sensitivity to hot or cold that lingers after the source is removed, pain when biting, swelling or a pimple on the gum near a tooth, and darkening of a tooth following injury. Some infected teeth cause no pain at all — another reason regular checkups matter.
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What Happens During a Root Canal
A root canal is a straightforward procedure that typically takes about an hour at our Sunnyvale office. Here is exactly what to expect at each step.
Recovery Guide: What to Expect After a Root Canal
Recovery is typically quick — most patients return to normal activities the same day. Mild soreness for two to three days is normal and responds well to ibuprofen or acetaminophen. Avoid chewing on the treated side until the crown is placed. Rinse with warm salt water and eat soft foods for the first few days. If antibiotics were prescribed, complete the full course. Call our office right away if you experience pain that worsens after day three, visible swelling in the face or neck, or fever — these may indicate additional treatment is needed.
A treated root canal tooth can last a lifetime with proper care. Brush and floss normally and maintain regular checkups as you would for any natural tooth.
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Frequently Asked Questions About Root Canals in Sunnyvale
Below are the questions patients ask us most often before deciding to move forward with root canal treatment.
Do root canals hurt?
The procedure itself should not be painful. The area is numbed completely before anything begins. Most patients say it feels similar to getting a filling — pressure and movement, not pain. Mild soreness for a few days afterward is normal and responds well to ibuprofen or acetaminophen.
How do I know if I need a root canal?
Common signs include a persistent throbbing toothache, lingering sensitivity to hot or cold, pain when biting, swelling or a pimple on the gum, or a tooth that has darkened following injury. Some infected teeth cause no symptoms. If you’re experiencing any of these, contact us for a same-day evaluation.
How long does a root canal take?
Most single-root canals take about an hour. Molars with multiple canals may take longer or require a second appointment. A crown is typically placed at a separate follow-up visit after the tooth has stabilized.
What happens if I do not get a root canal?
An infected tooth does not heal on its own. The infection spreads, destroying the tooth and potentially the surrounding bone and jaw. Extraction becomes the only option at that point — which is more expensive, more involved, and results in tooth loss. Saving the tooth with a root canal is almost always the better outcome.
Does insurance cover root canals?
Most PPO plans cover root canals as a major restorative service, typically at 50–80 percent after the deductible. We do not accept Delta Dental. Cherry financing is available. Our team verifies your benefits and provides a clear cost estimate before treatment begins.
Is a crown always necessary after a root canal?
For back teeth that bear heavy chewing pressure, a crown is strongly recommended to prevent fracture. Front teeth with minimal structural damage may sometimes be restored with a tooth-colored filling. We evaluate each case individually and give you a clear recommendation before any treatment begins.
Root Canal Treatment at Smile Craft Dental in Sunnyvale
Tooth pain does not have to take over your life, and losing a natural tooth is never the only option. At Smile Craft Dental’s Sunnyvale location, our team provides same-day root canal evaluation and treatment using local anesthesia and sedation options to keep you comfortable. We accept most major PPO insurance plans, offer Cherry financing, and do not accept Delta Dental.
If you are in pain or suspect a tooth infection, do not wait. Contact our Sunnyvale office today — we will get you in as soon as possible.