If your child has a lisp, it means they have trouble making /s/ and /z/ sounds correctly. While this might be straight forward, it’s actually a little more complicated than that, because there are four kinds of lisp:
The first is what everyone typically identifies as a lisp. Called an interdental lisp, this means the tongue is pushed out between the front teeth to make a /th/ sound. It makes ‘sock’ sound like ‘thock’.
The second is a dentalised lisp, where your child’s tongue touches their teeth while making /s/ and /z/ sounds.
The third is a lateralised lisp, where air comes out on either side of the tongue, making a ‘slushy’ or ‘noisy’ sound that sounds a bit like a blast of static.
The last kind of lisp is a palatal lisp, where your child’s tongue touches the soft palate at the back of the mouth to make a kind of gargling sound.
Many children will outgrow their lisps, particularly… Read the rest