Hello
Yes u must consult a dentist....as u mentioned ur gums were already reciding plus got hurt n also got infected....blood is the fastest medium to catch infection
Next Steps
ur dentist will evaluate the severity n may priscibe...
antibiotics n
gum paints
also get ur teeth clean n dr will also find out the cause of gum recession n may prescribe u multivitamins
Health Tips
apply mucopain at the site
avoid eating hot ,spice n hard food from front side