Fig. 4From: Nail bed INJury Assessment Pilot (NINJA-P) study: should the nail plate be replaced or discarded after nail bed repair in children? Study protocol for a pilot randomised controlled trialThe Zook classification of fingernail appearance. All split nails, nails with less than two-thirds adherence and very rough nails are considered major deformities. Other deformities are considered minor. The sum of the minor and major variations for each fingertip are used to determine a grade of excellent, very good, fair, or poor for each resultBack to article page