Ingrown toenail surgery is partial nail excision performed under local anaesthetic. It involves the removal of the ingrown portion of the toenail, together with the corresponding nail root. This toenail treatment and surgical procedure are done to prevent recurrence of the ingrown toenail.
Further Reading:
http://brochures.mater.org.au/brochures/mater-children-s-private-brisbane/willets-procedure