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SUBMENTOVERTEX CEPHALOMETRIC NORMS IN NORMAL ADULT SUBJECTS FOR DIAGNOSIS AND EVALUATION OF THE PROGNOSIS OF MANDIBULAR CONDYLAR FRACTURES

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Abstract

°á·Ð
ÀúÀÚ´Â ÇϾǰúµÎ°ñÀýÀÇ Áø´Ü°ú ¿¹ÈÄÃøÁ¤À» À§ÇÑ ¿¹ºñÀûÀÎ ¿¬±¸·Î¼­ ¼ºÀÎ 40¸íÀ» ´ë»óÀ¸·Î
ÀÌÇϵÎÁ¤ X-¼± °èÃø»çÁøÀ» ÃÔ¿µ, ºÐ¼®ÇÏ¿© ¾Æ·¡¿Í °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ºñ±³Àû ½Äº°ÀÌ ¿ëÀÌÇϸ鼭 °úµÎÀÇ Å©±â¿Í À§Ä¡º¯È­¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ´Â °èÃøÁ¡Àº
foramen spinosum(FP), condyhlion lateralis(CL), condylion medialis(CM), lateral point(L),
midpoint(M), ±×¸®°í pogonion (Pog)µîÀÌ´Ù.
2. °úµÎ°ñÀýÀÇ Áø´ÜÀ̳ª ¿¹ÈÄÃøÁ¤¿¡ À־ °úµÎÀÇ È¸Àüº¯À§ÀÇ Áø´Ü¿¡´Â °¢µµ°èÃø Ç׸ñ
angel between condylar axis and mandibular lineÀ» °èÃøÇÏ°í °úµÎÀÇ Àü, ÈÄ¹æ º¯À§´Â
L-TSA, ȤÀº L-TPA °èÃøÇ׸ñÀ», ±×¸®°í Ãø¹æº¯À§´Â L-MSP Ç׸ñÀ» °èÃøÇÑ´Ù.
3. ÇϾǵÎ(condylar head)ÀÇ Å©±â º¯È­¸¦ ÃøÁ¤ÇÏ°íÀÚ ÇÒ ¶§¿¡´Â CM-CL °èÃøÇ׸ñÀ» ÀÌ¿ë
ÇÑ´Ù. °úµÎÀÇ ¼öÁ÷º¯À§¿Í °úµÎ°æÀÇ ±æÀ̺¯È­, ±×¸®°í °üÀý°ø°£Àº ÀÌÇϵÎÁ¤ X-¼± °èÃø»çÁø¿¡
¼­´Â °èÃøÀÌ ºÒ°¡´ÉÇϹǷΠ°úµÎ°ñÀýÀÇ Á¾ÇÕÀûÀÎ ¿¹ÈÄÃøÁ¤À» À§Çؼ­´Â ´Ù¸¥ X-¼± »çÁøÀ» ÇÔ
²² ÀÌ¿ëÇÑ´Ù.
4. °úµÎÀÇ ÇüÅ ¹× Å©±âÂ÷ÀÌ°¡ ¸Å¿ì Å©¹Ç·Î °³°³ÀÇ Áõ·Ê¿¡ Æò±ÕÄ¡¸¦ Àû¿ëÇÏ¿© Á¤·®ÀûÀÎ
Áø´Ü ¹× ¿¹ÈÄÃøÁ¤À» ÇÏ´Â °ÍÀº ½Å·Úµµ°¡ ¶³¾îÁö¸®¶ó°í »ý°¢µÈ´Ù. µû¶ó¼­ ¾çÃø¼º °ñÀýȯÀÚÀÇ
Áø´Ü ¹× ¿¹ÈÄÃøÁ¤¿¡ ´ëÇؼ­´Â ¶Ç ´Ù¸¥ ¹æ¹ýÀÌ °­±¸µÇ¾î¾ß ÇÒ °ÍÀÌ´Ù.
5. ÀÌ¿Í °°Àº »çÇ×À» Á¾ÇÕÇØ º¼ ¶§ ÀÌÇϵÎÁ¤ X-¼± »çÁøÀº ÆíÃø¼º °ñÀýȯÀÚÀÇ Áø´Ü ¹× ¿¹
ÈÄ ÃøÁ¤À̳ª ¾Ç±³Á¤ ¼ö¼ú Àü, ÈÄÀÇ °úµÎÀÇ °¢µµ ¹× À§Ä¡º¯È­ ¿¬±¸¿¡ ºñ±³ÃøÁ¤ÀÇ ¹æ¹ýÀ¸·Î
À¯¿ëÇÒ °ÍÀ¸·Î »ý°¢µÈ´Ù.
#ÃÊ·Ï#
This study was performed to apply the submentovertex cephalometric radiograph to
mandibular condylar fratures. Because the left and right structures are not overlaped in
the submentovertex radiograph, the dimension and position of mandibular condyle can be
clearly identified in this view.
The subjects consisted of 40 normal adult patients, twenty healthy males and females
with no medical and dental histories. Specific angular and linear measurements were
made form dach submentovertex radiograph and computerized statistic analysis was
carried out.
The results were as follows.
1. There was no sexual difference in the angular measurements such as intercondylar
angle, angle between condylar axis and mandibular line, and angle between condylar
axis and TPA. Though no sexual difference was seen in the linear measurements
related to the position of the condyle such as L-TSA, L-TPA, and MSP-Pog,
measurements related to the dimension of the condyle such as condylar thickness,
condylar width, L-MSP, L-Cpp, MSP-Cpp, and L-Pog were lager in male than female.
2. Statistically, significant difference between right and left values was seen only in
the value of condylar width and L-Cpp(p<0.05). But the correlation coefficient of the
condylar width between right and left side was very high it could be thougth very
useful to compare the left and right side value clinically.
3. In the correlation analysis between left and right side condylar width, L-Cpp, and
L-Pog were showed high relation. On the other hand the value of L-TSA was showed
low relation. The other measurements were showed relatively high relation.
4. The difference between the maximum and minimum value of each measurement
was considerable that the individual variation of measurement was relatively high.

Å°¿öµå

submentovertex radiograph; condylar fracture;

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KCI
KoreaMed