Introduction: Considerable evidence has linked periodontitis (PD) to hypertension (HTN). but the nature behind this connection is unclear. Dysbiosis of oral microbiota leading to PD is known to aggravate different systematic diseases. but the alteration of oral microbiota in HTN and their impacts on blood pressure (BP) remains to be discovered. https://parisnaturalfoodes.shop/product-category/rosemary/