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Oral Health and Eating Disorders: FAQs for Recovery

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Eating disorders are complex mental health conditions that can have serious consequences on a person’s physical and emotional well-being. One aspect of health that is often overlooked in the context of eating disorders is oral health. The relationship between oral health and eating disorders is a complex one, with various factors at play. In this article, we will explore some frequently asked questions about oral health and eating disorders, and provide valuable insights for individuals in recovery.

What are eating disorders?

Eating disorders are serious mental illnesses characterized by abnormal eating habits and distorted attitudes towards food, weight, and body shape. The most common types of eating disorders include anorexia nervosa, bulimia nervosa, and binge eating disorder. These disorders can have severe physical, psychological, and social consequences, and require comprehensive treatment.

How do eating disorders affect oral health?

Eating disorders can have a significant impact on oral health due to the behaviors and habits associated with these conditions. Some of the ways in which eating disorders can affect oral health include:

  • Tooth erosion: Frequent vomiting, a common behavior in individuals with bulimia nervosa, can lead to the erosion of tooth enamel. Stomach acid from vomiting can erode the protective layer of enamel, leading to tooth sensitivity, discoloration, and an increased risk of cavities.
  • Tooth decay: Poor nutrition and a lack of essential nutrients can weaken the teeth, making them more susceptible to decay. Additionally, individuals with eating disorders may consume excessive amounts of sugary or acidic foods, further increasing the risk of tooth decay.
  • Gum disease: Malnutrition and poor oral hygiene can weaken the immune system, making individuals more susceptible to gum disease. Gum disease can cause gum inflammation, bleeding, and eventually lead to tooth loss if left untreated.
  • Dry mouth: Dehydration and a lack of saliva production are common in individuals with eating disorders. Dry mouth can increase the risk of tooth decay and gum disease, as saliva plays a crucial role in neutralizing acids and washing away food particles.
  • Oral infections: The frequent use of laxatives, diuretics, or other medications to control weight can disrupt the natural balance of bacteria in the mouth, increasing the risk of oral infections such as thrush or oral candidiasis.

How can individuals in recovery protect their oral health?

Recovering from an eating disorder is a challenging process that requires comprehensive treatment and support. In addition to addressing the underlying psychological and nutritional aspects of the disorder, it is essential for individuals in recovery to prioritize their oral health. Here are some tips to protect oral health during the recovery process:

  • Maintain a balanced diet: Working with a registered dietitian can help individuals develop a balanced meal plan that provides essential nutrients for overall health, including oral health. A diet rich in fruits, vegetables, lean proteins, and whole grains can support healthy teeth and gums.
  • Practice good oral hygiene: Brushing teeth at least twice a day with a fluoride toothpaste and using dental floss daily can help remove plaque and prevent tooth decay. It is also important to visit a dentist regularly for check-ups and professional cleanings.
  • Avoid harmful behaviors: Individuals in recovery should avoid behaviors such as self-induced vomiting, excessive use of laxatives or diuretics, and excessive consumption of sugary or acidic foods and beverages. These behaviors can significantly impact oral health.
  • Stay hydrated: Drinking plenty of water throughout the day can help combat dry mouth and promote saliva production. Chewing sugar-free gum or using saliva substitutes can also help alleviate dry mouth symptoms.
  • Seek professional help: It is crucial for individuals in recovery to work with a multidisciplinary team, including therapists, dietitians, and dentists, who specialize in eating disorders. These professionals can provide personalized guidance and support for maintaining oral health during the recovery process.

What are some common oral health complications in eating disorder recovery?

While prioritizing oral health during eating disorder recovery is essential, it is important to be aware of potential complications that may arise. Some common oral health complications in eating disorder recovery include:

  • Tooth sensitivity: Tooth erosion caused by frequent vomiting can lead to increased tooth sensitivity. Using a toothpaste designed for sensitive teeth and avoiding hot or cold foods and beverages can help manage this symptom.
  • Enamel erosion: The erosion of tooth enamel can result in tooth discoloration and a weakened tooth structure. In severe cases, dental restorations such as fillings or crowns may be necessary to restore the appearance and function of the teeth.
  • Periodontal disease: Gum disease, characterized by gum inflammation, bleeding, and potential tooth loss, can be a complication of eating disorders. Regular dental check-ups and professional cleanings are crucial for monitoring and managing gum health.
  • Oral infections: Disruptions in the natural balance of oral bacteria can increase the risk of oral infections. Antifungal medications may be necessary to treat conditions such as thrush or oral candidiasis.
  • Temporomandibular joint (TMJ) disorders: Eating disorders can contribute to the development of TMJ disorders, which can cause jaw pain, headaches, and difficulty in opening and closing the mouth. Physical therapy, relaxation techniques, and dental splints may be recommended for managing TMJ disorders.


Oral health is an important aspect of overall well-being, and it should not be overlooked in the context of eating disorders. The behaviors and habits associated with eating disorders can have severe consequences on oral health, including tooth erosion, decay, gum disease, dry mouth, and oral infections. However, individuals in recovery can take steps to protect their oral health by maintaining a balanced diet, practicing good oral hygiene, avoiding harmful behaviors, staying hydrated, and seeking professional help. It is crucial for individuals in recovery to work with a multidisciplinary team, including dentists who specialize in eating disorders, to address any oral health complications that may arise. By prioritizing oral health, individuals in recovery can improve their overall well-being and enhance their journey towards a healthier and happier life.

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