Is it really true there r alot of health risks to have alot of teeth broke off at the gum roots stl there?

yes.. short and sweet: your prone to getting infection in the roots of those teeth leading to a root canals or extractions. These infections effects your health because if gets into your blood stream to your heart. If extracted, your other teeth will begin to move causing your bite to be off making jaw pain (very painful) and missing teeth makes it harder for you to eat and effects your smile. Get them fixed before more problems occur.