Pacific Coast Society of Orthodontists Bulletin Summer 2022 - 59

Special Section: Anterior Open Bite Malocclusion
Angle Pearls
Tongue Elevator: Effective Tool for
Young Patients With Anterior Open
Bite Correction
Dr. Seong-Hun Kim
Seoul, South Korea
Dr. Kyu-Rhim Chung
Seoul, South Korea
The size and shape of the tongue, its posture, and
its activity may influence the dentofacial complex of
growing patients. Habitual, long-term low tongue
posture appears to contribute to a developing Class
III in a growing patient by lower anterior flaring, maxillary
constriction, posterior teeth extrusion, and clockwise
rotation of the mandible. A unique functional
appliance can help to resolve low posture position.
Professor Chung has designed a tongue-elevating
removable appliance called the tongue elevator (TE)
to correct low tongue posture at rest, normalize perioral
muscle function, and avoid exacerbation of the
malocclusion (Figure 1). TE requires a more normal position
from the low-positioned tongue. It prevents the
excessive widening of the lower dental arch induced
by the low tongue position and promotes the normal
expansion of upper dental arch by raising the tongue
posture. TE's three primary components are the
resin body (Forestacryl, Forestadent Co., Pforzheim,
Germany), 0.032-inch stainless-steel occlusal rests, and
auxiliaries (clasps and labial
bows). The resin body
shape is constructed
not to interfere with the
movement of the lingual
frenum. The occlusal rests
are incorporated in the
resin body only when the
mandibular molars will benefit from the intrusive force
of the tongue muscle actions to rest on the appliance.
Note that if second molars are erupted, they should
also have a rest.
The fabrication procedure of the TE is as follows: (1)
relieving the lower buccolingual areas using the
baseplate wax; (2) applying and contouring the wax
rim for resin body manufacturing; (3) bending the
occlusal rest and auxiliary wire for additional relief if
some teeth are not yet fully erupted; and (4) applying,
trimming, and polishing the resin (Figure 2).
Dr. Gerald Nelson
Oakland, CA
PCSO Bulletin Contributor
Dr. Paul Kasrovi
Berkeley, CA
PCSO Bulletin Contributor
Figure 1. Tongue elevator with occlusal rests. It is composed of the resin body, occlusal rests, and auxiliaries.
The resin body has a half-pear shape, and it should not limit the movement of the lingual frenum.
Summer 2022 PCSO Bulletin
59

Pacific Coast Society of Orthodontists Bulletin Summer 2022

Table of Contents for the Digital Edition of Pacific Coast Society of Orthodontists Bulletin Summer 2022

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