Dental Fistula: What You Need to Know to Protect Your Oral Health

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By Esthetique Dental | February 27, 2025

Do you experience a small pus-filled bump inside your mouth? You have a dental fistula. It is one of the most common bacterial infections, causing pain and discomfort. Though these blisters are not harmful, they can worsen if left untreated.

Oral fistulas look more like pus-filled ulcers, like a pustule or yellowish inflamed spot. They can occur in both the upper and lower jaw. Today, you will learn more about dental fistula, its causes, symptoms, and treatment options. 

Dental Fistula- A Brief Introduction

An oral fistula is an abnormal passageway connecting the inner part of the mouth to the skin or another organ. It resembles a small, painless bump or ulcer around the teeth or gumline. These infections lead to a hole between the gums and teeth, allowing the bacteria to proliferate and cause pain. For oral health concerns or ulcer treatment, consult an emergency dentist in Keller today.

Symptoms of Oral Fistula

There are various signs indicating you have ulcers or pus-filled blisters. They include-

  1. A small bump or ulcer in the mouth
  2. Bad breath
  3. Swelling in the face or neck
  4. Drainage of pus or fluid from the fistula
  5. Difficulty in swallowing

Common Causes of Fistula

The causes of fistula are mentioned below-

  1. Dental Infections-

The most common cause of fistula inside the mouth is a dental infection, like abscesses. When the infection becomes trapped within a tooth or surrounding tissues, it creates a pathway to the surface. 

  1. Oral Surgery- 

Some oral surgeries like tooth extractions or implant placement can increase the occurrence of fistula. 

  1. Trauma and Stress- 

Trauma or injuries to the mouth, such as a blow to the face or a bad dental procedure, can lead to the formation of abscesses or blisters. 

  1. Inflammatory Conditions-

 Some inflammatory conditions, like Crohn’s disease or tuberculosis, can lead to oral fistula. 

  1. Cancer- 

In rare conditions, oral blisters or fistula can happen as a side effect of cancer. 

How Can You Prevent Oral Fistula?

Here are some preventive measures you need to follow to avoid the formation of fistulas. They are-

  1. Floss once per day
  2. Brush your teeth daily two times with a soft-bristled toothbrush, and also use fluoride toothpaste.
  3. Chew sugar-free gum
  4. Gargle with mouthwash after brushing the teeth
  5. Eat dairy products to increase saliva production
  6. Encourage eating a healthy diet, and avoid eating acidic or sugary foods
  7. Schedule regular dental cleanings and check-ups with an emergency dentist
  8. Treat dental emergencies and toothaches as soon as possible

Treat Dental Fistula With Emergency Dental Care

Whether you suspect a fistula or already have one, it is essential to visit an emergency dentist. If the ulcers are left untreated, the infection can spread and lead to life-threatening complications. Early intervention can encourage quick healing and prevent the need for invasive treatments. 

Treating blisters may help in resolving the underlying causes of infection. The treatment of dental fistula also includes-

  • Extraction of an infected tooth
  • Root canal
  • Draining the area of infection

Who Is At Risk Of Fistula?

Fistulas can affect individuals of any age. These infections develop not only in adults but also in kids with milk teeth. These ulcers are common in children because their jaws and teeth are not fully developed. However, the treatment is the same for both. 

The first step in treating a fistula is to practice proper oral care. Brush twice a day, floss regularly, and follow a proper diet. In addition to dental fistulas, you can visit an emergency dentist in Keller when you have a cracked or knocked-out tooth. Book an appointment with Dr. Darshan P. Patel or visit Esthetique Dental today.

**Disclaimer: This content should not be considered medical advice and does not imply a doctor-patient relationship.