There are a large number of techniques that have been developed over the past 100 years to address ingrown toenails surgically. These vary from very aggressive procedures to minimally invasive techniques. Like all other types of surgery, there can never be a 100% guarantee of success, however the technique used by at the Ingrown Toenail Centre has been show in high quality research to be the most effective approach to reduce the chance of a recurrence of problems, and is also the least invasive.
REF: Cochrane Review