Tongue Thrust - What is It?

I am sometimes asked about tongue thrust--whatswallow. There should not be any forward
it is, how it impacts speech, and what to do aboutmovement of the tongue. Generally, children with
it.a tongue thrust are unable to swallow with their
All babies have a tongue thrust or reverselips parted.
swallow. When the baby swallows, his tongueWhat are the results of a tongue thrust?
pushes forward toward his gums or front teeth,-The tongue is a very strong muscle. If it is
if he has them. Think about feeding a babypressing against the front teeth during thousands
pureed food. The baby's tongue pushes forward,of swallows a day, it will most likely cause the
pushing some of the food back out of his mouth.teeth to protrude. If this happens, the tongue
The adult scoops the food off his lips and facethrust must be corrected before orthodontic
with the spoon and puts it back in his mouth andwork is done or the the teeth will quickly move
the cycle continues. As babies mature, they learn,out of place again.
not only to keep their lips closed when they-The strong habit of tongue protrusion often
swallow, but to effectively move the food backaffects the speech patterns. The most typical
toward the throat with a more mature swallow.speech errors seen with a tongue thrust are a
In the mature swallow, the tongue tip is held on"th" for "s" or "z" substitution. In more severe
the alveolar (gum) ridge behind the top frontcases, all of the tongue tip sounds (t, d, n, ch, sh,
teeth and the tongue efficiently moves the foodj) can be affected. It can be difficult to correct
backward with a rolling motion. Children shouldthese speech errors when there is an
have a normal, adult swallow by the time theyuncorrected tongue thrust.
are seven.What should be done?
Sometimes, however, a child continues to tongue-If your child is under seven, give the issue more
thrust or reverse swallow. When this occurs,time. If your child is seven or older, find a speech
generally his teeth are slightly separated, thepathologist who is experienced in tongue thrust
tongue presses forward against or between thetherapy. Be prepared to supervise your child with
front teeth, and the lips are tightly closed totongue exercises one or more times a day. It will
prevent the tongue from protruding. Many childrentake a lot of practice to change this ingrained
who have a tongue thrust are mouth breathers,habit.
often due to either allergies or enlarged tonsils/-If your child is a mouth breather, try to find the
adenoids, causing the tongue to sit between orcause. If he cannot comfortably breathe through
against the front teeth at rest. Then, when theyhis nose due to allergies or enlarged tonsils and
swallow, the tongue pushes forward against theadenoids, this problem needs to be corrected first.
teeth.-Encourage your child to keep his lips and back
How can I know if my child has a tongue thrust?teeth together and his tongue at rest on the
-The most obvious answer is to have himupper gum ridge. Having him hold a Tic-Tac or
evaluated by a speech pathologist. But you mayorthodontic rubber band in place with his tongue
be able to diagnose this yourself.for 10-20 minutes a day can encourage this habit.
-Is he a mouth breather? Does he keep hisAs with all speech and language issues, I
tongue between his front teeth when at rest?encourage you to be alert to your child's
These are signs that he likely has a tongue thrust.development and to seek professional advice and
-Have him take a sip of water and observe histake action when necessary.
swallow. Try to pry his lips apart during the