Sounds omission in children with phonological disorder according to age and severity disorder/Omissao de segmentos em criancas com desvio fonologico de acordo com a faixa etaria e a gravidade do desvio

Purpose: verifying which sounds are omitted in the simple onset position in the general phonological system of children with speech disorder, according to the age and the speech disorder severity. Methods: 60 children with phonological disorder diagnosis took part in this study. All of them were aged from four to eight years and eleven months and who omitted any sound of Brazilian Portuguese in initial or medial onset position, with 40% or more of the repair strategy in the phonological system. The data were submitted to statistical analysis through Binomial Test of comparison between two proportions, with p < 0,05. Results: there was prevalence of omission of liquid consonants. Regarding to the disorder severity, in the mild disorder and mild-moderate disorder only the liquids were omitted, in the moderate-severe disorder liquids and fricatives were omitted and in severe disorder, there were omissions of all consonants of Brazilian Portuguese. According to the age, there were more omissions in the following ages: four to four years and eleven months and five to five years and eleven months. Conclusion: the sound omission in simple onset position was prevalent to the liquids and in the more severe disorders. Moreover, there was a trend that younger children presented more omissions. KEYWORDS: Speech; Speech Disorders; Child; Child Language; Language Development Objetivo: verificar quais fones sofrem omissao na posicao de onset simples no sistema fonologico geral, de criancas com desvio fonologico, de acordo com a faixa etaria e a gravidade do desvio fonologico. Metodos: participaram deste estudo 60 sujeitos com diagnostico de desvio fonologico e com idades entre 4 anos e 8 anos e 11 meses, que realizavam a omissao de qualquer fone do Portugues Brasileiro nas posicoes de onset inicial e/ou medial, com emprego de 40% ou mais da estrategia de reparo em seu sistema fonologico. Os dados foram submetidos a analise estatistica por meio do teste binomial de comparacao de 2 proporcoes, com p