. "The common opinion is that the nail enters inside the paronychium but an ingrown toenail may be overgrown toe skin.[4] The condition starts from a microbial inflammation of the paronychium, secondary to a granuloma, and the result is a nail buried inside the granuloma.[5] While ingrown nails can occur in the nails of both the hands and the feet, they occur most commonly with the toenails." . . .