I m not able to infer ur history . Wn u had numbness on the face , u sd first visit a good neuro physician, rule out anh palsy and then visit a dentist ,
As far as post op pain in the extracted tooth region is concerned it's common sometimes,
Next Steps
pls visit ur dentist regarding the swelling and itching sensation , but pls go to a neuro physician regarding the numbness , he wd help u better , pls dont worry at all , these symptoms can b treated
t ake care