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KMID : 0362419750130010011
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Journal of Korean Academy of Prosthodontics
1975 Volume.13 No. 1 p.11 ~ p.22
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A STUDY ON THE MOVEMENT STATE OF THE ADJACENT TOOTH INTO THE EDENTULOUS AREA
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Kim Jun-Yeon
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Abstract
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This study is to determine the severity and direction of the movement of the adjacent tooth into the creater space by tooth or teeth loss. The random samples 387 cases (upper; 121 cases, lower; 266 cases) were selected with surveying record under some criteria. Edentulous area is grouped into the free end type and the tooth borne type.he following results were obtafned. In the tooth borne type, slight distal movement of the adjacent tooth into the edentulous space was obtained. And the tooth distal to the edentulous space moved into the space in proportion to the duration of the edentulous state. Elongation of the opposing tooth of the free end type was more severe than of the tooth borne type. And no inter-relationship between the severity of the elongation and the duration of the edentulous state In general, adjacent teeth had normal and mesial inclination. Lower teeth migrated mesially and lingually (especially in the distal tooth to the edentulous space in the tooth borne type). Upper adjacent teeth usually moved into the normal direction.
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KEYWORD
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