Vitamin D3 in Sensory Recovery After Digital NERVe Suture (D3NERV).

Inclusion Criteria: * Affiliated to social security scheme, * Wound of the palmar hand with isolated digital nerve section, requiring digital nerve microsurgical suture in the operating room by a senior surgeon, * Signing a free and informed consent and well-informed of the study and procedure. Exclusion Criteria: * Ischemia, * Multiple lesion of the same nerve, * Pregnant or nursing women, * Contraindication of Cholecalciferol : known hypersensitivity, any history of hypercalcemia, hypercalciuria or renal lithiasis, * Cholecalciferol supplementation in the past 6 months, * Lesion of the same controlateral finger, * History of nerve lesion or hypoesthesia on the same finger, * History of previous neurological disorders with upper limb sensitivity disorder, * Impossibility to undergo the medical follow-up because of geographical, social or psychological reason, * Participation in another clinical trial that does not allow simultaneous participation in several clinical trials, * Orlistat® Treatment, * History of celiac disease.