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THE BEST TEETH COMBINATION TO PREDICT MESIODISTAL DIAMETERS OF THE UNERUPTED CANINE AND PREMOLARS OF KOREANS

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Abstract

ÇöÀç È¥ÇÕÄ¡¿­ ºÐ¼® ¹æ¹ýÀ¸·Î °¡Àå ³Î¸® »ç¿ëµÇ°í ÀÖ´Â MoyersÀÇ ¿¹ÃøÇ¥³ª Tanaka¿Í JohnstonÀÇ ¿¹Ãø¹æÁ¤½ÄÀº ºÏÀ¯·´ ÀÎÁ¾ÀÇ ¹éÀÎ ÀڷḦ ¹ÙÅÁÀ¸·Î ¸¸µé¾îÁ³±â ¶§¹®¿¡ Çѱ¹Àο¡°Ô Àû¿ëÇϱ⿡´Â ¹«¸®°¡ ÀÖ´Ù. ¶ÇÇÑ ÃÖ±Ù¿¡´Â À̵éÀÌ Á¦½ÃÇÑ ÇÏ¾Ç ÀüÄ¡¿¡ ±âÃÊÇÑ ¹æ¹ýÀÌ ¹Ì¸ÍÃâ °ßÄ¡¿Í ¼Ò±¸Ä¡ Æø°æÀÇ ÇÕÀ» ¿¹ÃøÇϱâ À§ÇÑ ÃÖÀûÀÇ ¿¹ÃøÀÎÀÚÀÎÁö¿¡ ´ëÇؼ­µµ Àǹ®ÀÌ Á¦±âµÇ°í ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº Çѱ¹ÀÎ Áý´ÜÀ» ´ë»óÀ¸·Î ¹Ì¸ÍÃâ °ßÄ¡¿Í ¼Ò±¸Ä¡ÀÇ ±Ù¿ø½É Æø°æÀ» ¿¹ÃøÇϱâ À§ÇÑ ÃÖÀûÀÇ ¿¹ÃøÀÎÀÚ°¡ ¾î¶² Ä¡¾ÆÀÇ Á¶ÇÕÀÎÁö ¹àÈ÷°í, ±× Á¶ÇÕÀ» ÀÌ¿ëÇÑ ¿¹Ãø ¹æÁ¤½ÄÀ» Á¦½ÃÇϸç, »õ·Î¿î ¿¹Ãø ¹æÁ¤½ÄÀÇ ÀÓ»ó Àû¿ëÀ» À§ÇØ ±× Ÿ´ç¼ºÀ» °ËÁõÇÏ´Â °ÍÀÌ´Ù. ¿ÏÀüÇÑ ¿µ±¸Ä¡¿­À» °¡Áø ¼ºÀÎ 178¸í(³²ÀÚ 108¸í, ¿©ÀÚ 70¸í, Æò±Õ ³ªÀÌ 21.63¼¼)ÀÇ ÀڷḦ ±âÃÊ·Î ¿¹Ãø¹æÁ¤½ÄÀ» µµÃâÇÏ¿´À¸¸ç, 53¸íÀÇ Ã»¼Ò³â(³²ÀÚ 25¸í, ¿©ÀÚ 28¸í, Æò±Õ ³ªÀÌ 14.22¼¼)À¸·Î °ËÁõÁý´ÜÀ» ±¸¼ºÇÏ¿© ±× Ÿ´ç¼ºÀ» °ËÁõÇÏ¿´´Ù. ±× °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù. 1. Çѱ¹ÀΠȥÇÕÄ¡¿­±â û¼Ò³â¿¡¼­ ¹Ì¸ÍÃâ °ßÄ¡¿Í ¼Ò±¸Ä¡ Æø°æÀÇ ÇÕÀ» ¿¹ÃøÇϱâ À§ÇÑ ÃÖÀûÀÇ Ä¡¾Æ Á¶ÇÕÀº »ó¾Ç ÁßÀýÄ¡, ÇÏ¾Ç ÃøÀýÄ¡, »ó¾Ç Á¦1´ë±¸Ä¡ Æø°æÀÇ ÇÕÀ̾ú´Ù(). 2. »ó¾Ç ÁßÀýÄ¡, ÇÏ¾Ç ÃøÀýÄ¡, »ó¾Ç Á¦1´ë±¸Ä¡ Æø°æÀÇ ÇÕÀ» ±âÃÊ·Î ÇÏ°í ºÎ°¡ÀûÀÎ ¼³¸í º¯¼ö·Î ¼ºº°°ú ¾Ç±ÃÀ» Æ÷ÇÔ½ÃÄÑ °è»êÇÑ ¿¹Ãø ¹æÁ¤½ÄÀº ´ÙÀ½°ú °°ÀÌ °è»êµÇ¾ú´Ù. ³²ÀÚ, »ó¾Ç: ³²ÀÚ, ÇϾÇ: ¿©ÀÚ, »ó¾Ç: ¿©ÀÚ, ÇϾÇ: ¿¹Ãø ¹æÁ¤½ÄÀÇ ¼³¸í·ÂÀº 64%¿´À¸¸ç Ç¥ÁØ¿ÀÂ÷(SEE)´Â 0.71mm¿´´Ù. 3. »õ·Î¿î ¿¹Ãø ¹æÁ¤½ÄÀ» °ËÁõ Áý´Ü¿¡ Àû¿ëÇÏ¿© °ËÁõÇÑ °á°ú, ¾à 97%¿¡¼­ ½ÇÁ¦ ÃøÁ¤ÇÑ °ßÄ¡¿Í ¼Ò±¸Ä¡ Æø°æÀÇ ÇÕ°ú ¿¹ÃøÄ¡¿ÍÀÇ Â÷ÀÌ°¡ 1mm ÀÌÇÏ¿´´Ù.

The probability table of Moyers and prediction equation of Tanaka and Johnston that have been the most frequently used, cannot produce accurate prediction when used in Korean because they are based on the Caucasian popularity of the Northern European race. The method of Moyers or Tanaka and Johnston predicts sizes of the unerupted canine and premolars on the basis of the sizes of mandibular incisors. However, some of the recent papers raise a question as to whether the mandibular incisors are the best combination to predict the sizes of the unerupted canine and premolars. The purpose of this study is to determine which sum or combination of sums of permanent tooth widths present the best prediction for the unerupted canine and premolars in a Korean sample, to calculate a specific linear regression equation for this population, and to evaluate the clinical significance. A new linear regression equation was calculated based on the data of 178 Korean young adults(70 women, 108 men, mean age 21.63 years) with complete permanent dentitions. Fifty three more children(28 girls, 25 boys, mean age 14.22 years) were used as a validation sample for the application of the multiple linear regression equation. The conclusions were as follows: 1. The combination of the sums of permanent upper central incisors, lower lateral incisors and upper first molars was the best predictor for the unerupted canine and premolars in this sample(). 2. The multiple linear regression equation was calculated including sex and arch as additional predictor variables. male, upper: male, lower: female, upper: female, lower: . The determination coefficient of the equation was 64% and a standard error of the estimate was 0.71mm. 3. In about 97% of the validation sample, the estimation of the tooth width sums of unerupted canine and premolars using the new multiple linear regression equation was smaller than 1mm compaired with the actual values.

Å°¿öµå

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Mixed dentition;Prediction of space;Mesiodistal tooth size

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KCI