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News Dispatch from RCDSO: Food Allergies and Dental Care

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In late June 2019, the Royal College of Dental Surgeons of Ontario (RCDSO) highlighted a rare case of anaphylactic reaction to MI Toothpaste that caused the death of a young girl.

Although extremely rare, the incident has heightened public awareness. In response, the RCDSO released information about food allergies and their link to dental care in their Dispatch News.

Today, we’re crossposting that story on CDA Oasis.

The risks of lethal food allergies was recently highlighted in the media.  A young  girl with a severe dairy allergy died after using a toothpaste recommended by her dentist. Read the news article on the CNN website.

This was an extremely rare case of an anaphylactic reaction to MI Toothpaste, which contains Recaldent (casein phosphopeptide-amorphous calcium phosphate), incorporating a milk-derived protein. This story brought the dangerous consequences of food allergies and their link to dental care to public awareness.

Possible dental implications of food allergies

Food allergies reported by patients can have dental implications. For example, patients with allergies to certain foods, such as avocado, kiwi, pineapple and banana, have a greater risk of being allergic to latex as these foods contain the same proteins found in latex. 

Some dental products like fluoride, prophy pastes, gum and sealant materials, may contain allergens, such as fruit flavouring, pine nuts, traces of peanuts, clove oil, gluten and milk protein.

What dentist should keep in mind

This story is a signal for all dentists to obtain a thorough medical history and to cautiously consider each of their patient’s positive answers about allergies, medications and existing medical conditions.

Dentists are reminded to:

  • Carefully review the medical history with your patients to identify any potential allergic or adverse reaction to any medication, substance or product.
  • Conduct a thorough review and probe further into any positive or unclear response by the patient to determine the history, type and severity of any reported allergic reaction.
  • Review contents or ingredients of dental materials and products used; and identify potential allergens associated with a patient’s reported allergy.
  • Postpone treatment if needed and consult with the patient’s physician to request an allergy test, if deemed necessary.
  • Clearly document findings/precautions in the medical alerts and the progress notes of the patient’s chart.
  • Develop training for yourself and your clinical staff to promptly recognize the signs and symptoms of anaphylaxis and efficiently manage a medical emergency when needed.

Signs and symptoms suggestive of anaphylaxis are:

  • itching of soft palate
  • nausea/vomiting
  • substernal pressure
  • difficulty breathing
  • hypotension
  • skin rash
  • urticaria
  • laryngeal edema
  • bronchospasm
  • cardiac arrhythmias.
  • Maintain an adequate and current emergency kit containing readily accessible sources of oxygen, diphenhydramine and epinephrine.

Relevant resources

The College encourages dentists to familiarize yourselves with the Medical History Recordkeeping Guide and use the following resources while managing and treating their patients.

  1. Medical History Recordkeeping Guide
  2. Patient Hand-out
  3. FAQs Medical Emergencies 
  4. Food Allergy Canada

Questions?
practiceadvisory@rcdso.org
Phone: 416-934-5614

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Leave a comment about this post in the box below, send your feedback by email or call us at 1-855-716-2747.

Until next time!

CDA Oasis Team

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