Nasty Things that Can Hide in your Toothbrush

- Written by: Dr. James Frizzell
- July 17, 2019
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Your toothbrush is obviously something you stick in your mouth a couple of times a day. We put toothpaste on it, rinse it and then move about our day. But what’s lurking in between those bristles that we’re not aware of? Dentists estimate that there are 1.2 million microscopic organisms on the average toothbrush. Replace your toothbrush every 3 months because these are some things you do not want in your mouth:
- Flu virus. The infamous influenza causes chills, fever, and Healthy Body pains that render most people unable to work or study. Dentists advise that you change your toothbrush after you have gotten over any sort of viral infection, but especially the flu.
- Fecal matter. When the toilet is flushed, tiny particles of fecal matter travel on tiny water droplets through the air. Keep you toothbrush as far away from the toilet as possible.
- Staph: Staphylococcus aureus causes skin infections such as boils, styes and infection at wound sites.
- Oral herpes virus. Someone with an active herpes outbreak in the form of sores around their mouth can leave oral herpes virus on their toothbrush that can live for up to a week. Dentists feel transmission of the herpes virus from using someone else’s toothbrush is possible, since the virus travels in saliva.
- Escherichia Coli (E. coli). Remember the horrible item 2? E. coli bacteria are present to some degree in most feces, so with fecal matter comes some e. coli too. This bacteria causes nausea, vomiting and infectious diarrhea.
- Candida albicans (yeast). This is a microscopic yeast that causes yeast infections when it becomes too prevalent in any one area of the Healthy Body. In the mouth, this yeast infection is called thrush, and it is very contagious. Anyone in the household being treated for thrush should switch to a new toothbrush once treatment begins.
- Blood. Microscopic particles of blood can be found on almost all adult toothbrushes, because gum disease is so common in those over the age of thirty.
- Cosmetic aerosols. Everything you’re spraying in the bathroom may land on your toothbrush if it’s left out on the bathroom counter, like hair styling products, perfume, etc.

Dr. James Frizzell
Dr. James Frizzell has been providing quality family dental care to patients in the Niagara region for 20 years. Our experienced dentist is dedicated to restoring and enhancing the natural beauty of your smile, using the latest procedures of modern dentistry, and seeking your input and your goals, within your budget.
Dr. James is a graduate of the University of Toronto with a BSc (Chemistry) and a DDS (Doctor of Dental Surgery). He served 8 years in the Canadian Forces Dental Corps, at Cold Lake Air Force Base in Alberta.
Dr James graduated from a one year course, McGill University, Dental Forensics Program; part on-campus training with the Surete du Quebec Forensics Team. Dr James is focusing on Child Abuse, Elderly Abuse, Human Trafficking, and Intimate Partner Violence. He also gives educational PowerPoint presentations on these topics.
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