Poor oral health for a long period of time is called as periodontitis and this periodontitis has been lead to heart disease, lot of studies has been done and lot of explanations how scientist have tried to see how the bacteria in the mouth can affect the heart and lot of different theory has it goes.
And one of the most common theory that we see and explanation for this is the bacteria that are there in the mouth can go through the bloodstream into your body.
The release Faisal toxin, toxins which cause the fatty plaque to form in the arteries and that fatty plaque can form of cloth which can lead to Heart Attack and Strokes in patients.