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¼öÁ÷ÇÇ°³ÀÇ °áÁ¤¿äÀΰú ¼öÁ÷ÇÇ°³ ½ÉµµÁö¼ö(ODI)ÀÇ »óÈ£°ü°è

The determinants of vertical oberbite and overbite depth indicator(ODI)

Korean Journal of Orthodontics 1999³â 29±Ç 3È£ p.349 ~ 360
¼Ò¼Ó »ó¼¼Á¤º¸
¾ç»ó´ö/Sang Duk Yang

Abstract

ÀüÄ¡ºÎ ¼öÁ÷ÇÇ°³(overbite)´Â ÇϾÇÆò¸é, ±¸°³Æò¸é ¶ÇÇÑ AB Æò¸éÀÇ °æ»çµµ¿¡ ÀÇÇØ °áÁ¤µÈ
´Ù´Â »ç½ÇÀÌ ±¸¸íµÇ¾úÀ¸¸ç, ODI(overbite depth indicator)´Â overbiteÀÇ ¼¼ °áÁ¤¿äÀÎÀ̶ó ÇÒ
¼ö ÀÖ´Â FMA, PPA, FABAÀÇ ÇÕÀ¸·Î ±¸¼ºµÇ´Â °ÍÀ¸·Î ºÐ¼®µÇ¾ú´Ù. µû¶ó¼­ ODI ¿Í ¼¼ °áÁ¤
¿äÀεé°úÀÇ »óÈ£°ü°è¸¦ ±âÇÏÇÐÀûÀ¸·Î ºÐ¼®ÇÏ¿© ±× °ü°è°è¼ö¸¦ »êÃâÇÏ¿´´Ù. ODI Á¤»ó¼öÄ¡¸¦
³ªÅ¸³»´Â °ü°è½Ä¿¡ »êÃâµÈ °ü°è°è¼ö¸¦ ´ëÀÔÇÏ¿© Á¤¸®Çϸé, ODI norm=85¡Æ-
0.5PMA-(1.08-0.01 FMA)(FABA-81¡Æ)¶ó´Â ½ÄÀÌ µµÃâµÈ´Ù.
ÀÌ´Â ODI Á¤»ó¼öÄ¡´Â Àý´ëÀû °³³äÀÌ ¾Æ´Ï¶ó °³°³ÀÎÀÇ °ñ°ÝÇüÅ¿¡ ÀÇÇØ °áÁ¤µÇ´Â »ó´ëÀû
ÀÎ °³³äÀ¸·Î ÆľÇÇØ¾ß ÇÔÀ» ÀǹÌÇÏ´Â °ÍÀÌ´Ù.
ÀÌ·¸°Ô »êÃâÇÑ ODI Á¤»ó¼öÄ¡(individualized ODI norm) °³³äÀÇ ÀÓ»óÀû Àû¿ë°ú Áø´ÜÇÐÀû
Àǹ̿¡ ´ëÇÏ¿© ±¸Ã¼ÀûÀ¸·Î ³íÀÇÇÏ¿´´Ù.
#ÃÊ·Ï#
The concept of denture frame, both the vertical and horizontal relationship of the
dentitions are ultimately related to a skeletal configuration, leads to postulate that the
vertical overbite will be determined by the jaw rotations and anteroposterior jaw
relationship.
Also, ODI is analyses to be composed of the determinant factors of overbite such as
FMA, PPA and FABA.
From the geometric analyses of an interrelationship between the ODI and the overbite
determinants, the following formula can be induced :
ODI norm =85¡Æ- 0.5PMA-(1.08-0.01 FMA)(FABA-81¡Æ).
This formula indicates that the norm of ODI is not constant value but variable one
accordint to the individual skeletal frames.
Through the application of the formula to the various clinical cases, it is proved that
the new concept, relativity of the ODI norm, is very diagnostically useful.

Å°¿öµå

¼öÁ÷ÇÇ°³ °áÁ¤¿äÀÎ; ¼öÁ÷ÇÇ°³ ½ÉµµÁö¼ö(ODI); ODI Á¤»ó¼öÄ¡ÀÇ »êÃâ½Ä; denture frame; determinants of overbite; overbite depth indicator(ODI); individualized norm of ODI;

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