Under the operation of professional doctors, the extraction of rotten tooth roots is generally not dangerous. However, belonging to the contraindications of tooth extraction, such as heart disease, diabetes, hyperthyroidism and other patients, in the physical condition does not meet the requirements of the extraction of stumps have a certain risk, as follows.
1. Heart disease: heart disease patients such as cardiac function is still good, for class I or class II, can tolerate tooth extraction.
2. Diabetes: before extraction, fasting blood sugar should be controlled at 8.88mmol/L. For those who receive insulin treatment, it is better to perform extraction 1~2 hours after breakfast.
3. Hyperthyroidism: tooth extraction should be performed only after the disease is controlled, with resting pulse rate below 100 beats per minute and basal metabolic rate below +20%.
There are other factors that can affect tooth extraction, and you should consult your doctor and follow professional advice to choose whether or not to have a tooth extracted.