Ingrown toenail. Toenail doctor?

I have a chronic ingrown toenail problem in my loth toe. Redness,pus,bleeding, and little bit of pain.i have consult with many doctor .I have consult with a general surgeon he did my nail surgery total.but it recurs then I consult with a dermatologist she gave me some oral antibiotics,and external antibiotics (like tbact,fucidin onitment)but it not cure .she referred me a plastic surgeon. He also did my partially nail Avulsion surgery with matriectomy (use bipolar cautery for destroying nail matrix).I healed within 2 weeks .but after 3 month one side of my left toe ingrown toenail recurrs.i am suffering the problem almost 2 and half year.is it a curable disease ?what is the best treatment and best remedies of ingrowing toenail doctor? pls tell me.