It’s great to see the mainstream catching up to what biological dentistry has long held: Oral conditions can have systemic effects – and vice versa. In fact, Dr. Reinhold Voll – one of the pioneers on the way to biological dentistry – taught that up to 90% of all systemic health problems may actually start in or be influenced by the conditions in the mouth.
A while back, we looked at some of the latest research on the link between gum disease and chronic kidney disease. Since then, new studies have emerged, highlighting other oral-systemic connections.
One of these, published in the Journal of Clinical Periodontology, took a closer look at “the hypothesis that periodontal disease contributes to increased risk of mild cognitive impairment (MCI), subjective cognitive decline (SCD) and Alzheimer’s Disease (AD).”
Data from more than 150 patients with one of these conditions was compared to that from a control group of 76 cognitively healthy patients. Each had an oral exam and a panoramic x-ray taken.
Those with cognitive impairment also tended to exhibit worse oral health overall, including the kind of bone loss that indicates advanced gum disease – even after the researchers adjusted for confounding factors.
These findings contribute supporting evidence for a relationship among dental disease, cognitive impairment, and dementia.
While the results don’t necessarily show a causal relationship, the authors note, “the periodontitis-dementia interaction seems biologically plausible.”
Meantime, a new study in Hypertension looked at the relationship between oral health and blood pressure control.
For it, researchers selected NHANES 2009 – 2014 data for adults over age 30 who had been diagnosed with hypertension and had received dental exams. Of the 4806 adults in this category, only 460 were not currently taking medication to control high blood pressure. As Reuters reported,
Those with gum disease had average blood pressure readings 2 to 3 mmHg (milligrams of mercury) higher than those without gum disease and were less likely to have their pressure under control with medication.
And the more severe the gum disease, the more their average systolic blood pressure increased.
“If our results are confirmed by dedicated trials, oral health could improve the treatment of hypertension, which is considered the most important risk factor for cardiovascular diseases,” [lead author Davide] Pietropaoli said in an email. “Patients with treated high blood pressure may benefit from a dedicated program for the reduction of oral inflammation from periodontal disease by referring to a dentist or periodontist.”
Periodontal treatment may also help patients with type 2 diabetes control their glucose better, as a recent study in the Lancet Diabetes and Endocrinology has confirmed.
More than 250 patients with active periodontitis and poorly-controlled diabetes participated in the trial conducted by researchers from University College London. Some received standard treatment for gum disease, while others received more intensive therapy.
After a year, those who had the more intensive treatment had reduced their blood glucose level by an average 0.6%. That might not sound like much, but as lead author Francesco D’Aituo noted in a news release on the study,
Lowering blood glucose level by 0.6% is the equivalent of prescribing a patient an additional, second blood sugar lowering drug.
While more research continues to be done to flesh out the findings of studies like these three, the literature continues to suggest the virtue in taking a proactive approach to your oral health. Basic habits like avoiding sugars and hyperprocessed food, practicing good home hygiene, managing stress, getting plenty of sleep, staying hydrated, and making physical activity on a regular basis benefit your mouth and body alike.
Image via Moody AFB
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