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  1. Tooth abscess - Symptoms & causes - Mayo Clinic

    Jun 29, 2022 · Bacteria can enter the innermost part of the tooth through either a deep cavity or a chip or crack in your tooth. The resulting infection and inflammation can cause an abscess at the tip of the …

  2. Tooth abscess - Diagnosis & treatment - Mayo Clinic

    Jun 29, 2022 · A bacterial infection at the tip of the tooth root usually occurs from an untreated dental cavity, an injury or prior dental work.

  3. Root canal treatment - Mayo Clinic

    Root canal is a treatment to repair and save a badly damaged or infected tooth instead of removing it. The term "root canal" comes from cleaning out the canals inside a tooth's root.

  4. Can brain infection come from infected teeth? - Mayo Clinic Connect

    Dec 4, 2024 · Hi @johnbecker, an untreated tooth or dental infection can lead to serious health complications elsewhere in your body. It is very rare that it would go to your brain. The symptoms …

  5. Periodontitis - Symptoms and causes - Mayo Clinic

    Feb 24, 2023 · Periodontitis is a severe gum infection that can lead to tooth loss, bone loss and other serious health complications.

  6. What appeared to be chronic sinusitis was actually tooth infection

    Mar 24, 2025 · The oral surgeon showed me the exposed root of my tooth with a big space around it eaten out by the infection. He cleaned out the infection and repacked the root and placed bone graft …

  7. Impacted wisdom teeth - Symptoms and causes - Mayo Clinic

    Feb 1, 2024 · But when an impacted wisdom tooth becomes infected, damages other teeth or causes other dental problems, you may have some of these symptoms: Red or swollen gums. Tender or …

  8. Top left teeth are constantly in Pain. Last Dentist said it was sinus

    Aug 17, 2025 · Sinus infections are awful and to have it impacting your teeth with the pressure can be almost unbearable. Because the Maxillary sinus is situated very close to the roots of your upper …

  9. Impacted wisdom teeth - Diagnosis and treatment - Mayo Clinic

    Feb 1, 2024 · Needing to have a tooth taken out may cause you to feel worried or anxious, but delaying care can lead to serious and lasting problems. It's important to talk with your dentist about your …

  10. Gingivitis - Symptoms and causes - Mayo Clinic

    Nov 16, 2023 · Trench mouth, also known as necrotizing ulcerative gingivitis or NUG, is a severe form of gingivitis that causes painful, infected, bleeding gums and ulcers. Trench mouth is rare today in …