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Tooth Abscess: What It Is, What Causes It, and How to Treat It

Understanding Dental Fistula: Causes, Symptoms, and Treatment


What is a Dental Fistula?


A dental fistula, also known as a gum boil or oral fistula, is a small channel or opening that forms on the gum near a tooth. This opening allows pus and infection to drain from an abscess or infected tooth to the surface of the gums. It’s the body’s natural way of relieving pressure caused by an underlying dental infectio

Common Causes of Dental Fistula


  • Tooth Abscess: The most common cause is an abscessed tooth, where bacterial infection has reached the pulp (inner tissue) of the tooth.



  • Failed Root Canal Treatment: Sometimes, infection persists after a root canal, leading to fistula formation.


  • Trauma or Injury: Damage to the tooth or gum can sometimes cause fistula development.

Symptoms to Watch For


  • A small, pimple-like bump on the gum that may drain pus
  • Bad taste or odor in the mouth from the drainage
  • Tenderness or mild discomfort around the affected tooth
  • Swelling or redness near the fistula site
  • Sometimes, no pain if the pus drainage relieves pressure



Why You Shouldn’t Ignore a Dental Fistula


While a dental fistula may temporarily relieve pain by draining infection, it is a sign of a serious dental issue that requires professional treatment. If left untreated, the infection can spread to other areas of the mouth or even enter the bloodstream, causing more severe health problems.


Treatment Options for Dental Fistula

  • Root Canal Therapy: Often the first choice to eliminate infection within the tooth and seal it.
  • Apicoectomy: A surgical procedure that removes the infected root tip and surrounding tissue, ideal when root canal alone isn’t enough.
  • Tooth Extraction: If the tooth is severely damaged or the infection is uncontrollable, removal may be necessary.
  • Antibiotics: Sometimes prescribed to control infection before or after dental treatment


Common Causes of Dental Fistula


  • Tooth Abscess: The most common cause is an abscessed tooth, where bacterial infection has reached the pulp (inner tissue) of the tooth.



  • Failed Root Canal Treatment: Sometimes, infection persists after a root canal, leading to fistula formation.


  • Trauma or Injury: Damage to the tooth or gum can sometimes cause fistula development.

Symptoms to Watch For


  • A small, pimple-like bump on the gum that may drain pus
  • Bad taste or odor in the mouth from the drainage
  • Tenderness or mild discomfort around the affected tooth
  • Swelling or redness near the fistula site
  • Sometimes, no pain if the pus drainage relieves pressure


Why You Shouldn’t Ignore a Dental Fistula


While a dental fistula may temporarily relieve pain by draining infection, it is a sign of a serious dental issue that requires professional treatment. If left untreated, the infection can spread to other areas of the mouth or even enter the bloodstream, causing more severe health problems.

Treatment Options for Dental Fistula

  • Root Canal Therapy: Often the first choice to eliminate infection within the tooth and seal it.
  • Apicoectomy: A surgical procedure that removes the infected root tip and surrounding tissue, ideal when root canal alone isn’t enough.
  • Tooth Extraction: If the tooth is severely damaged or the infection is uncontrollable, removal may be necessary.
  • Antibiotics: Sometimes prescribed to control infection before or after dental treatment.


Preventing Dental Fistula

Good oral hygiene is key. Regular brushing, flossing, and dental checkups can prevent infections that lead to fistulas. Early treatment of cavities and gum disease also reduces risk.



When to See Your Dentist


If you notice any bumps, swelling, or drainage on your gums, or if you have persistent tooth pain, schedule a dental appointment promptly. Early diagnosis and treatment can save your tooth and protect your overall health.


Why us?

At Chris A. Castellano, DMD PA in Riverview, FL, we specialize in treating dental infections and saving teeth with advanced procedures like root canals and apicoectomies.  Contact us at 813-672-1917 for an evaluation and personalized care.


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