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Orthodontics for Lisping

June 1, 2021

Lisping, difficulty with pronouncing the letters “s” or “z” correctly, can usually be traced back to an incorrect connection between the tongue and the roof of the mouth. For many people with a lisp, even a slight one, the problem can be embarrassing and negatively impact on self-confidence. 

Speech therapy can help reduce or even eliminate the problem — but orthodontics can also help, as the problem may arise from dental issues that a competent dentist can effectively treat. 

It is quite possible that lisping can be caused by misaligned teeth: a malocclusion. A malocclusion is when the teeth do not fit together as they should — which can affect how the tongue interacts with the roof of the mouth. 

Most common malocclusions that may result in lisping include:

–   An overbite where the upper teeth sit too far forward.

–   An underbite where the lower set of teeth extend beyond the upper set.

–   An open bite where the upper and lower teeth do not touch when the mouth is closed.

Not all lisping issues can be treated with orthodontics but your dentist can help rule out any bite problems that may be causing the problem and advise on the best course of treatment. Find out more at

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