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A COMPARATIVE STUDY ON THE ACCURACY OF THE ANALYSIS METHODS FOR THE MIXED DENTITION IN DIFFERENT SEX

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Abstract

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1. ÇÏ¾Ç ¿µ±¸ °ßÄ¡ ¹× ¼Ò±¸Ä¡ÀÇ ±Ù¿ø½É Æø°æÇÕÀÇ ½ÇÁ¦Ä¡¿Í ¿¹ÃøÄ¡ »çÀÌÀÇ »ó°ü°è¼ö´Â ³²ÀÚ,
¿©ÀÚ ¸ðµÎ¿¡¼­ Tanaka¿Í Jhonston, áä µîÀÇ ¹æ¹ýÀÌ Moyers¿¡ ºñÇØ °­ÇÑ »ó°ü°ü°è¸¦ ³ªÅ¸
³»¾ú´Ù.
2. ÇÏ¾Ç ¿µ±¸ °ßÄ¡ ¹× ¼Ò±¸Ä¡ÀÇ ±Ù¿ø½É Æø°æÇÕÀÇ ½ÇÁ¦Ä¡¿Í ¿¹ÃøÄ¡ÀÇ Æò±Õ°úÀÇ Â÷ÀÌ´Â ³²ÀÚ
¿©ÀÚ ¸ðµÎ¿¡¼­ áä µîÀÇ ¹æ¹ýÀÌ ½ÇÁ¦Ä¡¿¡ ±ÙÁ¢ÇÔÀ» º¸¿©ÁÖ°í ÀÖ´Ù.
3. »ó°ü °è¼ö¿Í ½Öü ºñ±³¿¡ ÀÇÇÑ Æò±ÕÂ÷¿¡ µû¸¥ Á¤È®µµ¸¦ Æò°¡ÇßÀ» ¶§, ³²³à ¸ðµÎ¿¡¼­ áä
µîÀÇ ¹æ¹ýÀÌ ³ôÀº Á¤È®µµ¸¦ ³ªÅ¸³»¾ú´Ù.
4. ÇÏ¾Ç ¿µ±¸ ÀýÄ¡ ±Ù¿ø½É Æø°æÇÕÀÇ °èÃøÄ¡¿¡¼­ ÇÏ¾Ç ÆíÃø ¿µ±¸°ßÄ¡, ¼Ò±¸Ä¡µéÀÇ ±Ù¿ø½É Æø
°æÇÕÀ» ¿¹ÃøÅ° À§ÇÑ È¸±Í ¹æÁ¤½ÄÀº ´ÙÀ½°ú °°´Ù.
³²ÀÚ : Y=8.911+0.566X
¿©ÀÚ : Y=11.851+0.424X
Àüü : Y=10.454+0.492X
#ÃÊ·Ï#
This study was performed in order to determine the acuracy of 3 mixed dentition
analysis methods and combinations of these methods in Korean.
The samples in this study were mandibular casts of 171 Koreans with normal
occlusion of permanent dentition. Ranging in age from 12 years to 23 years.
Measurements of mesiodoistal widths of the mandibular 4 anterior teeth, and mandibular
canine and premolars were obtained from the casts. Actual mesiodistal widths of
mandibular canine and premolars compared with predicted widths of mandibular canine
and premolars taken by 3 prediction methods.
From this study, the following conclusions were made :
1. In correlation coefficients for the sum of mesiodoistal widths of the mandibular
canine and premolars with their perdicted values obtained by each of the 3 prediction
methods, male have been found to be relatively higher than female.
2. In differences between average actual width and average predicted width of
mandibular canine and premolars, Song etc. method had the minimum difference value.
3. The statistical significances of the correlation coefficients and average differences
revealed that Song etc. method exhibited the closest results with actual values.
4. From regression coefficients for the sum of mandibular 4 anterior teeth with the
sum of mesiodistal widths of the mandibular canine and premolars, the following
regression equations were made :
Male : Y=8.911+0.566X
Female : Y=11.851+0.424X
Total : Y=10.454+0.492X

Å°¿öµå

Mixed dentition; Space analysis; Predicted value; Regression equation;

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KCI