first, your mouth will feel unusually full and speaking will be
awkward. But if you practice reading aloud, your ordinary speech
will return quickly. You may also notice more saliva than normal,
but this will decrease as you become accustomed to the appliance.
Even though the Herbst appliance prevents the
lower jaw from moving backward, opening and closing movement still
occur easily and patients do not have any problems learning to
chew their food with their lower jaw in this new position.
with all kinds of braces. patients with Herbst appliances need
to be careful about what they eat. For instance, cold foods such
as ice slushes, Popsicles, and ice will freeze the cement and
make the brace loosen. Sticky foods such as caramels, bubble gum,
and candy suckers will pull the brace away from the teeth. Hard
foods like crisp vegetables and hard candies will bend and loosen
the Herbst appliance too. So stay away from these foods during
your orthodontic treatment.
Herbst appliance will be checked and adjusted at your appointments.
If sometimes between appointments you develop some sore areas
on the inside of your cheeks, please do not try to adjust the
appliance yourself. Call for an appointment so that the necessary
adjustments can be made.
One of the most common problems orthodontics
treat is the discrepancy that occurs when the upper teeth protrude
beyond the lower. Ordinarily when we see a patient with the upper
teeth protruding, we tend to think that the upper jaw and teeth
are too far forward; but, more often than not, this condition
is due to a small lower jaw that is further back than it should
be. With these patients, we would like to encourage the lower
jaw to catch up in growth, and braces like the Herbst appliance
help this happen.
is often necessary to expand the upper jaw while the lower jaw
Expansion and Advancement
These two movements can be done simultaneously by combining the
Herbst Appliance with a Rapid Palatal Expander (RPE). The RPE
must be turned with a special key for several days until the upper
jaw is wide enough. Your doctor will advice you about using the
key and what to expect from this combination appliance.