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KMID : 0354619930050010303
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Journal Dankook Dental Research Institute
1993 Volume.5 No. 1 p.303 ~ p.312
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A Study on the Adaptation of Head Posture after Activator Therapy in Funtional Class Ill Malocclusion Patients
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Cha Kyung-Suk
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Abstract
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This study was carried out to research the adaptation patterns of head posture after activator therapy in functional class III malocclusion patients.
For this purpose, 29 functional class III malocclusion patients, from the ages of 8 to 13 years old, were used
.1. Increse in capacity of oral cavity capacity were found in all the samples, but craniocervical angulation were varied into increased group and decreased group after activator therapy.
2. Head posture exhibited the compensatory adaptation in the relative growth increments of the vertical dimension, ALFH and PLFH.
1) A group with more PLFH and less sagittal angle showed relativety small growth increment in PLFH during the treatment period, thus carniocervical angulation was increased.
2) A group with less PLFH and more sagittal angle showed relatively great growth increment in PLFH during the treatment period, thus craniocervical angulation was decreased.
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