Try oil pulling method. Combination of coconut oil and two drops of oregano oil will reduce the tooth pain, you can use it for 15 mins once a day preferably when you wake up in the morning. Oregano oil is used to most powerful Antibiotics , it kills bacteria, fungal infections. Coconut oil helps dilute the strength of the essential oil and carry it into the tissues around the mouth where the infections hide and reside.
And also you can try holistic treatment, the holistic dentist will determine to what extent, and advise on any dental treatment.