can infections from dental work cause a heart attack ?
It has been recognized that oral infection, especially periodontitis, may affect the course and pathogenesis of a number of systemic diseases, such as cardiovascular disease, bacterial pneumonia, diabetes mellitus, and low birth weight.
The incidence of bacteremia (presence of bacteria in blood) following dental procedures such as tooth extraction, endodontic treatment, periodontal surgery, and root scaling has been well documented (4, 12, 25, 29, 33, 53, 75, 83, 100, 108). Bacteremia after dental extraction, third-molar surgery, dental scaling, endodontic treatment, and bilateral tonsillectomy has been studied by means of lysis-filtration of blood samples with subsequent aerobic and anaerobic incubation. Bacteremia was observed in 100% of the patients after dental extraction, in 70% after dental scaling, in 55% after third-molar surgery, in 20% after endodontic treatment, and in 55% after bilateral tonsillectomy.
There are several proposed mechanisms by which periodontal disease may trigger pathways leading to cardiovascular disease through direct and indirect effects of oral bacteria. First, evidence indicates that oral bacteria such as Streptococcus sanguis and Porphyromonas gingivalis induce platelet aggregation, which leads to thrombus formation. These organisms have a collagen-like molecule, the platelet aggregation-associated protein, on their surface. When S. sanguis is injected intravenously into rabbits, a heart attack-like series of events occur. Possibly, antibodies reactive to periodontal organisms localize in the heart and trigger complement activation, a series of events leading to sensitized T cells and heart disease.
You can find more in depth information here. Although I wouldn’t recommend you to rely on WebMd but you can read this article on oral care.
Circadian rhythms in humans and animals are sensitive to stressors and changes in the emotional state. However, whether circadian rhythms can be entrained by fear stimuli had not been directly investigated until now. To test this, circadian behaviors of male Long Evan rats maintained on an LD…