1- price depends on the condition of your tooth, whether it is impacted, how much decayed it is or well erupted, and usually in the lower tooth mandibular nerve is involved which should be taken care of the most.. sometimes minor surgical procedure is involved along with sutures..
2- wisdom teeth do not need any replacement.
Next Steps
get consultation with the dentist only your doctor can decide your treatment plan regarding your wisdom tooth after checking up clinically and taking radiographs.
Health Tips
salt water gargle can ease your discomfort untill you visit your dentist.
never apply any balms or hot compression to relieve tooth pain..