<prompt> Orthodontic treatment in management of cleft lip and palate is usually carried out in:Deciduous dentition and mixed dentitionMixed dentitionMixed and permanent dentitionPermanent dentition  <response>: Many children with cleft lip and palate require orthodontic treatment. Orthodontic treatment is commonly carried out in two phases:Mixed dentition 8 - 10 years to expand the maxillary arches as a prelude to alveolar bone graft.Permanent dentition 14 -18 years to align the dentition and provide a normal functioning occlusion. This phase of treatment may also include surgical correction of a malpositioned retrusive maxilla by maxillary osteotomy. 