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A CEPHALOMETRIC STUDY OF THE KOREAN GROWING CHILDREN WITH FORMAL OCCLUSION BY McNAMARA ANALYSIS METHOD

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Abstract

°á·Ð
¼ºÀå±â ¾Æµ¿ÀÇ ºÎÁ¤±³ÇÕ ºÐ¼® ¹× Áø´Ü¿¡ ÀÌ¿ëµÇ´Â McNamara ºÐ¼®¹ýÀ» ÀÌ¿ëÇÏ¿© ¾È¸ð°¡
´ÜÁ¤ÇÏ°í Á¤»ó±³ÇÕÀ» °®´Â 8¼¼ºÎÅÍ 12¼¼±îÁöÀÇ ¼ºÀå±â ¾Æµ¿ÀÇ Ãø¸ð µÎºÎ ¹æ»ç¼± ±Ô°Ý»çÁøÀ»
ÃÔ¿µÇÏ¿© 10°³ Ç׸ñ¿¡ ´ëÇÏ¿© Åë°èÇÐÀûÀ¸·Î ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. McNamara ºÐ¼®¹ý¿¡ ÀÇÇÏ¿© Çѱ¹ÀÎ ¼ºÀå±â ¾Æµ¿ÀÇ ¿¬·É±ºº°, ³²³àº° µÎºÎ¹æ»ç¼± ±Ô°Ý
»çÁø °èÃøÄ¡ÀÇ ±âÁØÄ¡¸¦ ¼³Á¤ÇÏ¿´´Ù.
2. °°Àº ¿¬·É±º¿¡¼­ ³²ÀÚÀÇ Effective Maxillary Length, Effective Mandibular Length,
Nasion Perpendicular¿¡ ´ëÇÑ Pog, Mx.1 to AÀÇ °ªÀÌ À¯ÀǼºÀÖ°Ô Áõ°¡ÇÏ¿´´Ù. Mandibular
Plane AngleÀº ¿©ÀÚ°¡ ´õ Å« °ªÀ» º¸¿© ¿©ÀÚ¿¡¼­ ÇÏ¾Ç ÇÏ¿¬ÀÌ ´õ °æ»çÁø °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
3. °¢ °èÃøÄ¡´Â ¿¬·ÉÀÌ Áõ°¡ÇÔ¿¡ µû¶ó Áõ°¡ÇÏ¿´´Âµ¥ Nasion Perpendicular to A, Mn.1 to
A-Po, Facial Axis Angle, Mandibular Plane Angle, Effective Maxiltary Length, Effective
Mandibular Length, Lower Ant.Facial Height°£ÀÌ À¯ÀǼºÀÖ°Ô Áõ°¡ÇÏ¿´´Ù.
4. McNamara°¡ Á¦½ÃÇÑ ¹éÀÎ ¼ºÀå±â ¾Æµ¿ÀÇ ±âÁØÄ¡¿¡ ºñÇØ Effective Maxillary length,
Effective mandidular length°¡ ´õ ÀÛ¾ÒÀ¸¸ç, ÇÏ¾Ç ÀüÄ¡´Â ¾à°£ ´õ Àü¹æÀ§Ä¡Çϸç Mandibular
Plane AngleÀº ´õ Ä¿¼­ ÇÏ¾Ç ÇÏ¿¬ÀÌ ´õ °æ»çÁø °Í°ú Facial Axis AngleÀÌ ´õ ÀÛ¾Æ
GnathionÀÌ ´õ ÈĹæÀ§Ä¡ÇØ ÀÖ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
#ÃÊ·Ï#
This study was performed by McNarama analysis used for analysis and diagnosis of
malocclusion of the growing children. The cephalometric radiograms were taken from
the growing children at the 8 to 12 years old that consist of 50 males and 50 females
with normal occlusion and acceptable profile and 10 items were statistically analysed.
The result of this study were as follows :
1. The cephalometric standard measurements of the Korean growing children by age
and sex were established by McNarama analysis.
2. All measurements were great in male dominantly, but the mandibular angle was
greater in female indicating more steep mandibular inferior border.
3. Increasing with age, the measurements were increased especially in the Nasion
Perpendicular to A,Mn.1 to A-Po, Facial Axis Angle, Mandibular Plane Angle, Effective
Mandibular Length, Effective Maxillary Length, and Lower Ant.Facial Height.
4. Compared with the standard measurements of the growing Caucasian suggested by
McNarama, the Mx-Mn length was smaller, the lower anterior teeth was located to
more anterior slightly, the mandibular angle was so great that mandibular inferior border
was steeper, and the facial axis angle was so small that Gnathion was located
posteriorly.

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