[Cleft lip and palate--problematic cleft speech]

The early restoration of facial and palatal morphology in patients with cleft of lip and/or palate provides the anatomical base for good speech outcome. The author gives the up todate overview of the main problems concerning cleft speech, such as velopalatal insufficiency and typical articulation errors. The article describes the modern methods for the evaluation of VPI and current trends in treatment modalities for VPI.