Is A Vegan Diet Bad For Your Teeth?

Over the years, more and more people have switched to vegan or “raw food” diets in order to reap great health benefits, such as protection from disease, increased energy, weight loss and better skin. However, several studies have linked the vegan diet to greater incidence of plaque formation, periodontal disease and tooth decay.

While the current body of research is far from complete or conclusive, it is worthy of a second look by all people who follow plant-based diets and wish to keep a healthy smile for many years to come.

Vegans prone to more cavities

A small study titled “Oral Implications of the Vegan Diet” assessed 15 subjects who had been on a vegan diet for at least 18 months and compared their oral health with 15 subjects who ate omnivorous diets. Researchers found “greater incidence of demineralization and white spots in the vegan subjects compared to the omnivorous ones.” Saliva pH was greater in the omnivorous patients as well. Though the study was small, the preliminary results suggested poorer dental health among vegans.

Amino acids necessary for healthy teeth

A study published in PLOS One reported that L-arginine — an amino acid found in meat, poultry, fish and dairy – plays a pivotal role in plaque prevention. This type of arginine successfully stopped biofilms from growing in a Petri dish of salivary bacteria.

According to Colgate, “Dental plaque is a yellowish biofilm that builds up on the teeth. Biofilms contain communities of disease-causing bacteria and their uncontrolled accumulation has been associated with cavities and gum disease (both gingivitis and periodontitis).”

There is much to learn about why L-arginine is able to defeat these microorganisms, but researchers say that eating high-protein dishes is enough to benefit the gums and teeth.

How can vegans maintain healthy teeth?

Before you throw up the white flag and head to the nearest steakhouse, consider a few vegan teeth tips from NYC cosmetic dentist Dr. David Blaustein:

For all dental questions and concerns, there is no substitute for a personal consultation with Dr. David Blaustein, an experienced dental health professional who specializes in cosmetic dentistry and general dentistry services in Manhattan. Call 347-618-6544 to schedule an appointment today.

Additional Resources:

  1. Minerva Stomatologica – Oral implications of the vegan diet: observational study http://www.ncbi.nlm.nih.gov/pubmed/21217622
  2. PLOS One – L-Arginine Destabilizes Oral Multi-Species Biofilm Communities Developed in Human Saliva http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0121835
  3. Colgate Professional – What Is Biofilm? http://www.colgateprofessional.com/patient-education/articles/what-is-biofilm
  4. Livestrong – Foods Highest In L-Arginine http://www.livestrong.com/article/275892-foods-high-in-l-arginine/
Author
Chelsea Dental Aesthetics Comprehensive, Cosmetic, and Implant Dentistry located in Chelsea, New York, NY

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