Evaluation of the Effects of LUNII on Pre-operative Anxiety and on the Post-operative Period in Children With Cleft Lip and Palate Admitted for Alveolar Bone Graft: Pilot Study

Inclusion Criteria: * Children aged 4 to 6 years. * Alveolar bone graft with iliac crest donor site in children with unilateral or bilateral cleft lip and palate * Primary alveolar bone graft or first side when bilateral cleft * Followed at Necker since birth and operated according to the protocol used in the department. * Consent signed by the holder (or holders) of parental authority Exclusion Criteria: * Medical care different from the usual protocol applied in the service (secondary surgery, age \> 7 years) * Known psychomotor delay, associated rare syndrome or disease, known psychiatric disorders, other surgical procedures between hard palate closure and alveolar bone graft * Possession and/or prior use of LUNII by the child