Broken wisdom tooth right to gum. Left top. What can I do as I'm scared of dentist?

My wisdom tooth broke in half I had let it go now there is a little bit of it but nothing where a dentist can pull. Root is still in there top left one and gum a bit swollen. Im scaredof dentist as I had a dentist pulled one out before and needle wore off he didnt care I was nesrly at bbottom of the chair.