Effects on maxillary and dentoalveolar following surgical treatment of cleft lip and palate are mainly atributed to a figh lip as well as scaming and wound contracture of the palate (Ross 1987: Bardach and Kelly 1988). Maxillary restroposition with or without mandibular protrusion and malocclusion are often found. However, these defomities coult be the additive effect of surgical intervention o…