Generally speaking, 99% of of all wisdom teeth
surgery patient's have no swelling or lingering effects from
their surgery within 7 days. That being said, I am a Board Certified Surgeon and have done tens of thousands of Wisdom teeth.
Like any other healthcare professional, some are better and more experienced than others. This does not mean that your dentist necessarily did anything wrong. In the US, all licensed dentists are permitted to extract teeth.