Dyslalia is a speech disorder where the child fails in the specific articulation of certain consonants. It is usually transient (). The subject may present difficulties when articulating phonemes, alteration of certain sounds, substitution of one sound for another incorrectly or absence of some sound ().
There is an inability to form or pronounce one or more phonemes satisfactorily and, if several phonemes are affected in the child’s speech, it becomes difficult to understand what the child says ().
Dyslalia is usually classified as: a) Developmental, where the child is unable to repeat (imitate) the words he hears; b) Functional, occurs as a consequence of failures in the functioning of peripheral organs; c) Audiogenic, the alterations are due to hearing problems; and d) Organic, where the difficulty in the pronouncement is due to organic issues ().
References:
Artigas, J., Rigau, E., García Nonell, K. (2008),
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Rodriguez Claveras, A. (2015)
Ruíz González, M. (2012),