Systemic complications of tooth extraction are given below:
A.Immediate complications of tooth extraction:
1.Fainting(vaso-vagal attack)
2.Hypoglycaemia.
3.Panic attack or hyperventilation.
4.Convulsion or fits.
5.Myocardial infarction.
6.Addisonian crisis.
7.Respiratory obstruction.
B.Late complications:
1.Infective endocarditis.
2.Transmissible viral infections,eg.hepatitis.