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KMID : 0354619940060010129
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Journal Dankook Dental Research Institute
1994 Volume.6 No. 1 p.129 ~ p.163
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TREATMENT OF FUNCTIONAL SHIFT OF MANDIBLE
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Cha Kyung-Suk
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Abstract
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Anterior Bite Plate has been used as an auxillary appliance in orthodontic therapy for a long time. It´s main use has been as a bite opening appliance for deep bite cases. Since it´s main mode of action was allowing vertical extrusion of molars, Anterior Bite Plate was contraindicated for so called "high angle" cases or long face syndrome cases.
For cases showing functional shift of mandible, traditional treatment mechanics involved the use of functional appliances or use of heavy elastics towards the end of fixed appliance therapy.
In present report, I have shown that applying Anterior Bite Plate at beginnging of therapy for a short time can aid in the correction of functional shift of mandible by elimination of oral reflexes that caused anteroposterior or lateral shift of mandible from premature occlusal contacts and by reeducation of closing muscles which made the mandible to close into more physiolohically stable position.
All three cases presented are either vertical growing facial type or back ward rotating facial types, which according to traditional concepts are contraindicated to the use of Anterior Bite Plate, but sincd the use of Anterior Bite Plate in these csaes were limited to very short time, no adverse reactions on facial growth on facial growth were observed.
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KEYWORD
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