Common Conditions

Can Poor Dental Health Cause Dementia?

A new study found gum disease bacteria in the brain samples of people with dementia, furthering the research into the link between oral health and dementia.

by Dr. Burhenne

dementia and poor dental health

Here’s another reason why taking care of your mouth can help you square the life curve. We’ve long known about the connection between poor oral health and dementia.

How can this be?

When we skip flossing, plaque builds up in and around the gums. The body responds to this plaque build-up the same way it responds to all other foreign invaders, like flu bugs and viruses — it sends out the troops, in the form of the immune system.

When your immune system is constantly activated like this, things go wrong in the body. Long term inflammation cause premature aging and disease.

Agents from that inflammation somehow, perhaps via the bloodstream, cause the brain to respond in a way that can lead to dementia.

Poor dental health increased the likelihood of dementia by 30% to 40% over a 32-year period, regardless of cardiovascular status, according to a report at the International Society of Vascular Behavioral and Cognitive Disorders.

This latest study is the first to actually pinpoint bacteria from the mouth in the brains of people with dementia.

The study examined 10 brain samples of people with dementia and 10 brain samples of people without dementia. In four of the 10 brains, the gum disease bacteria Porphyromonas gingivalis was present.

The theory is that when the brain is repeatedly exposed to bacteria and/or debris from gums, the immune response by the body that reacts to the diseased gums may lead to nerve cell death and possibly memory loss.

The connection isn’t fully understood and more research is required to understand if P. gingivalis will be able to be used as a marker, via a simple blood test, to predict the development of Alzheimer’s disease in at-risk people.

According to senior research fellow Dr. Sim Singhrao, PhD, further research will be needed to understand if the presence of these bacteria in the brain actually contributes to dementia, since it’s possible that later-stage Alzheimer’s is what causes reduced oral hygiene.

What to Do

Mark Burhenne DDS

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5 Comments

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  1. The dentist has never been one of my fotarive places either, but for me, a necessary evil. I grind my teeth too, but I do a great deal in my sleep, and in my thirty’s my molars just one by one began falling out of my mouth, or cracking in half for no reason. I was born with teeth that don’t get cavities, but I never figured on the severe grinding problem. I was told that as fast as I grind down the soft night guards, (about 6 mo) I need to wear a hard one which is more expensive. but it has been almost a year and it hasn’t broken yet, so I’m not complaining!How many artists/ writers I have met with the same teeth problems! NOW tell me this isn’t a stressful career choice!!!

  2. Gaaf hoor,ik denk dat er nog veel ontwikkelt moet worden m.b.t. stamcellen, medicijnen voor allerlei ziekten genezen kunnen worden maar dit lijkt me een belangrijk onderdeel.Ik kan me goed voorstellen dat men deze dingen vol chemische stoffen stoffen stopt en implanteert op de plaats waar die stoffen nodig zijn waarna deze langzaam ter plekke afgegeven word. Dat zou een uitkomst zijn voor medicijnen die nu nog geslikt moeten worden en in het gehele lichaam terecht komen.

  3. Hei 🙂 takk for at du tok oss med pÃ¥ denne billedomvisningen pÃ¥ denne resturanten… kan omtrent kjenne matlukten og smaken.. nam nam..Ha en fin søndag videre 🙂

  4. No patch needed: you can activate forced auto rotation in CSSU Freatures -> changev in Rotations -> Application from Auto (default) to forced -done! Be aware that some applications do not like it e.g. "Alomost reak IT calculator" becomes unusable!!!

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