child chirurgie cleftlip cleftpalatechildren complications complicationsetsequelles diseases divisionpalatine ear eardiseases enfantsporteursdefentepalatine etiology fentelabiale fentepalatine fissuralabiopalatina fonoaudiologia gespletengehemelte hearingdisorders hearingdisordersinchildren logopedie methods middle middleear orthophonie readaptation speechdisorders speechtherapy speechtherapyforchildren spraakstoornissen therapy traitement treatment troublesdelaparole velopharyngealinsufficiency wv440 wv440c626 étiologie