Hello ,
Totally understand your condition,
Sometimes for a Week this condition is common in some cases, might be coz of some gum pressure ,
Kindly visit your dentist and get the clinical evaluation and post op x-ray done .
Next Steps
don't use mustard oil or haldi as there is no wound , it won't help , instead you can use some gum paint
take proper medications prescribed by your dentist
Health Tips
you can do gargles with lukewarm saline water 4 to 5 times a day