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KMID : 0361919930230040493
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Korean Journal of Orthodontics
1993 Volume.23 No. 4 p.493 ~ p.502
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Impacts of radicuar development of lower third molars on its impaction
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Abstract
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It is the aim of this study to determine the impacts of radicular development of lower third molars on its eruption/impaction and to grope the prediction for eruption and or impaction in advance.
Three hundred and thirty cases of orthopantomogram were employed and classified as mesial root-dominant group, distal root-dominant group and identical group according to the radicular development of lower third molars. This presentation has
carried out
the incipient mesial inclination. Radicular development, impaction/eruption rate and changes of mesial inclination of the very teeth.
Consequently the following summary and conclusions were drawn;
Radicular development dominated mesial root than the distal and dominant mesial root invited higher potentialities for normal eruption. The mesial or horizontal impactions were detected on the distal root-dominant group.
This analysis has been suggested the potential eruption/impaction of lower third molars were dependent upon the radicular development and the incipient mesial inclination.
KOREA J. ORTHOD 1993 ; 23(4) : 493-501.
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