A heart attack toothache can be dangerous. Heart attack toothache is mainly a jaw pain caused by nerve reflexes, often accompanied by other symptoms, because myocardial ischemia after the emergence of chest tightness, shortness of breath, radiating pain in the back of the left shoulder, with some characteristics of coronary heart attack, it will be radiated to the ring finger or pinky, accompanied by toothache, pharyngeal constriction feeling and other symptoms. Heart disease toothache is mainly after exercise, this pain will be aggravated, but after going to the stomatology department to check, found that there is no problem with the teeth, in this case, we should go to the hospital as soon as possible, to carry out the appropriate treatment, so as not to lead to the progress of the disease. Patients with heart disease toothache are advised to go to the hospital as early as possible for examination and standardized treatment under the guidance of doctors.