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A Study on Horizontal Reference Planes in Lateral Cephalogram in Korean Children
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KMID : 0361919990290020251
Abstract
ȯÀÚÀÇ Áø´ÜÀ̳ª Ä¡·á°èȹ ¼ö¸³ ¹× Ä¡·áÀÇ °á°ú¸¦ Æò°¡Çϱâ À§Çؼ ÇöÀç±îÁö ¿©·¯ °¡Áö
¼öÆò ±âÁؼ±µéÀÌ »ç¿ëµÇ°í ÀÖÀ¸³ª ±× Á¤È®¼º°ú ÀçÇö¼ºÀÌ ¹®Á¦°¡ µÇ°í ÀÖÀ¸¸ç ±âÁ¸ÀÇ ¿¬±¸µµ
¼¾çÀÎÀ» ´ë»óÀ¸·Î ÇÑ ¼öÆò ±âÁؼ±À» »ç¿ëÇÑ °æ¿ì°¡ ´ëºÎºÐÀÌ´Ù. ƯÈ÷ ¼ºÀåÀÌ ¿Ï·áµÈ ÈÄÀÇ
»óŸ¦ Æò°¡ÇÏ´Â ¼ºÀΠȯÀÚ¿Í´Â ´Ù¸£°Ô ¼ºÀå±â ¾Æµ¿¿¡¼´Â ¹ßÀ°´Ü°è¿¡ µû¶ó ¼öÆò ±âÁؼ±ÀÌ
º¯ÈµÉ ¼ö ÀÖÀ¸¹Ç·Î À̸¦ °í·ÁÇÑ ¼öÆò ±âÁؼ±ÀÇ ¼³Á¤ÀÌ ÇÊ¿äÇÒ °ÍÀÌ´Ù.
ÀÌ¿¡ º» ¿¬±¸¿¡¼´Â ¼ºÀå±â ¾Æµ¿ÀÇ °ñ¼º¼÷µµ¿Í ºÎÁ¤±³ÇÕ±º ¹× ¼ºº°¿¡ µû¸¥ Sella-Nasion
(SN) Æò¸é°ú Frankfort-Horizontal(FH) Æò¸éÀÌ ÀÌ·ç´Â °¢µµ¿Í FHÆò¸é°ú ´Ù¸¥ ¼öÆò¸é°£ÀÇ
°ü°è¸¦ Á¶»çÇϱâ À§ÇØ ±³Á¤Ä¡·á¸¦ ¹ÞÀº °æÇèÀÌ ¾ø´Â ¼ºÀå±â ³²³à ¾Æµ¿ 540¸íÀ» ´ë»óÀ¸·Î ¼ö
¿ÏºÎ°ñ ¹æ»ç¼± »çÁø°ú Ãø¸ðµÎºÎ ¹æ»ç¼± »çÁøÀ» ÃÔ¿µÇÏ¿´À¸¸ç, SMA(Skeletal Maturity
Assessment)¸¦ ÀÌ¿ëÇÏ¿© °ñ¼º¼÷µµ¿¡ µû¶ó SMI 1-4¸¦ A±º SMI 5-7À» B±º, SMI 8-11À»C
±ºÀ¸·Î ºÐ·ùÇÏ°í Ãø¸ðµÎºÎ±Ô°Ý ¹æ»ç¼± »çÁø °èÃø°á°ú ºÎÁ¤±³ÇÕ ºÐ·ù¿¡ µû¶ó °ñ°Ý¼º ¥°±Þ ºÎ
Á¤±³ÇÕ±º, °ñ°Ý¼º¥±±Þ ºÎÁ¤±³ÇÕ±º, °ñ°Ý¼º¥²±Þ ºÎÁ¤±³ÇÕ±ºÀÇ ¼¼ ±ºÀ¸·Î ºÐ·ùÇÑ ÈÄ 10°³ÀÇ Ç×
¸ñÀ» Æò°¡ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. SN Æò¸é°ú FH Æò¸éÀÌ ÀÌ·ç´Â °¢µµ´Â °ñ¼º¼÷µµ¿Í ºÎÁ¤±³ÇÕ ¹× ¼ºº°¿¡ µû¸¥ Â÷À̸¦ º¸ÀÌ
Áö ¾Ê¾Ò´Ù.
2. SNÆò¸é°ú FH Æò¸éÀÌ ÀÌ·ç´Â °¢µµ´Â 8.27¡Æ¡¾2.31¡Æ, ¿©ÀÚ´Â 8.59¡Æ¡¾2.24¡Æ, Àüü¿¡¼´Â
8.42¡Æ¡¾2.28¡Æ¿´´Ù.
3. FH Æò¸é°ú ±¸°³Æò¸éÀÌ ÀÌ·ç´Â °¢Àº °ñ¼º¼÷µµ, ºÎÁ¤±³ÇÕ ¹× ¼ºº°¿¡ µû¸¥ Â÷À̸¦ º¸ÀÌÁö
¾Ê°í ºñ±³Àû ÀÏÁ¤ÇÏ¿´´Ù.(1.09¡Æ¡¾ 3.21¡Æ)
#ÃÊ·Ï#
Various types of horizontal reference planes are used for diagnosis, treatment planning
and evaluation of treatment results. But these reference planes lack accuracy and repro-
ducibility, and are mainly for Caucasian. Unlike the adult patients who have completed
growth, the horizontal reference planes for growing children may change continuously
during growth, Therefore this must be considered in selecting the horizontal reference
plane.
The purpose of this study was to investigate the angle formed by the
Sella-Nasion(SN) plane and Frankfort-Horizontal(FH) plane and evaluate the angle
formed by FH plane and other horizontal reference planes in relation to different skeletal
maturity and malocclusion types.
540 subjects with no orthodontic treatment history were chosen, and hand wrist
X-rays and lateral cephalometric X-rays were taken, According to SMA(Skeletal
maturity Assessment)of hand -wrist X-rays, the subjects were classified into 3 skeletal
maturity groups ; SMI 1-2 for group A, SMI 5-7 for group B and SMI 8-11 for group
C. A second classification was made according to cephalometric analysis of lateral
cephalograms. The subjects were classified into 3 malocclusion group ; Skeletal Class
¥°,¥±and ¥² malocclusion group. 10 measurements were evaluated.
The results were as follow.
1. The angle formed by the SN plane and FH plane showed no difference among
skeletal maturity groups, malocclusion groups, and between sexes.
2. The angles formed by the SN plane and FH plane were 8.27¡Æ¡¾2.31¡Æfor males and
8.59¡Æ¡¾2.24¡Æfor females. The average value for females and males was 8.42¡Æ¡¾2.28¡Æ.
3. The angle formed by the FH plane and palatal plane was almost constant showing no
difference among skeletal maturity groups, malocclusion groups, and between sexes( 1.0
9¡Æ¡¾ 3.21¡Æ).
Å°¿öµå
¼ºÀå°ú ¹ßÀ°; ¼öÆò±âÁؼ±; FH Æò¸é; SN Æò¸é; growth and development; horizontal reference plane; Frankfort-Horizontal(FH) plane; Sella-Nasion(SN) plane;
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