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A Radiographic Study on Root Resorption in the malocclusion Patients before Orthodontic Treatment

Korean Journal of Orthodontics 1999³â 29±Ç 2È£ p.219 ~ 236
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ȲÃæÁÖ (  ) - °¡Å縯´ëÇб³
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Abstract

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¼ö ÀÖÀ½ÀÌ º¸°íµÈ ÀÌ·¡·Î Ä¡±ÙÈí¼öÀÇ ¿øÀÎÀ» ¹àÈ÷·Á´Â ¸¹Àº ¿¬±¸°¡ ÀÖ¾ú´Ù. ƯÈ÷, ±³Á¤Ä¡·á
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¿¡ µû¸¥ ºÎÁ¤±³ÇÕ ºÐ·ù, ¼öÆòÇÇ°³ ¹× ¼öÁ÷ÇÇ°³, »óÇÏ¾Ç ÀüÄ¡ºÎ Ä¡Ãà°¢µµ µîÀÇ ºÐ·ù¿¡ ´Ù¸¥
Ä¡±ÙÈí¼öÀÇ ºóµµ ¹× ½É°¢µµ, ±×¸®°í °³°³ Ä¡¾Æ¿¡¼­ ³ªÅ¸³ª´Â ºÎÁ¤±³ÇÕÀÇ Æ¯Â¡ ¹× ¶Ñ·ÇÇÑ ±³
ÇÕ¸¶¸ð¸é°ú Ä¡±ÙÈí¼öÀÇ ºóµµ¿¡ ´ëÇؼ­ ºÐ¼®ÇØ º¸¾Æ ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. º» ¿¬±¸¿¡¼­ Á¶»çµÈ ¸ðµç »ç¶÷¿¡¼­ Çϳª ÀÌ»óÀÇ Ä¡¾Æ¿¡¼­ Ä¡±ÙÈí¼ö¸¦ ³ªÅ¸³»¾ú°í, ÃÑ
22.099°³ÀÇ Ä¡¾Æ Áß¿¡¼­ 7.920°³ÀÇ Ä¡¾Æ, Áï 35.84£¥¿¡¼­, ¶Ç ³²¼ºº¸´Ù´Â ¿©¼º¿¡¼­ ºóµµ°¡ ³ô
¾Ò´Ù.(p£¼0.01).
2. °³°³ Ä¡¾Æ¿¡¼­ÀÇ Ä¡±ÙÈí¼ö °¨¼ö¼ºÀº ÀüüÀûÀÎ ÀÌȯġ¾Æ¿¡ ´ëÇؼ­´Â ÇÏ¾Ç ÀüÄ¡, »ó¾ÇÀüÄ¡
¼øÀ¸·Î °¨¼ö¼ºÀÌ ³ô¾ÒÁö¸¸, ¶Ñ·ÇÇÑ Ä¡±ÙÈí¼ö¿¡ ´ëÇؼ­´Â »ó¾Ç ÁßÀýÄ¡, »ó¾Ç Á¦ 1 ¼Ò±¸Ä¡, »ó
¾Ç Ãøöġ ¼øÀ¸·Î °¨¼ö¼ºÀÌ ³ô¾Ò´Ù.
3. »óÇÏ¾Ç ÀüÄ¡ÀÇ Ä¡Ãà °¢µµ¿¡ ´ëÇؼ­´Â »ó¾Ç ÀüÄ¡ Ä¡Ãà °¢µµ°¡ Ŭ¼ö·Ï »ó¾Ç 4 ÀüÄ¡ÀÇ Ä¡±Ù
Èí¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ ÄÇ°í, ÇÏ¾Ç ÀüÄ¡ ÁöÃà °¢µµ°¡ Ŭ¼ö·Ï ÇÏ¾Ç 4ÀüÄ¡ÀÇ Ä¡±ÙÈí¼ö¿¡ ¹ÌÄ¡
´Â ¿µÇâÀÌ ÄÇ´Ù.
4. ¼öÆòÇÇ°³º¸´Ù´Â ¼öÁ÷ÇÇ°³°¡ Ä¡±ÙÈí¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀÌ ÄÇÀ¸¸ç °³¹æ±³ÇÕÀÇ °æÇâÀÌ Ä¿Áú¼ö
·Ï Ä¡±ÙÈí¼öÀÇ ºóµµ°¡ ³ô¾Ò´Ù.
5. °³°³ Ä¡¾Æ¿¡¼­ ³ªÅ¸³ª´Â ºÎÁ¤±³ÇÕÀÇ Æ¯Â¡¿¡ ´ëÇؼ­´Â ¹Ý´ë±³ÇÕ°ú °³¹æ±³ÇÕÀ» ÇÔ²² ³ªÅ¸
³»´Â Ä¡¾Æ¿¡¼­ Ä¡±ÙÈí¼öÀÇ ºóµµ°¡ °¡Àå ³ô¾Ò´Ù.
#ÃÊ·Ï#
This study was designed to evaluate the frequency and the severity of root resorption
of the permanent teeth before orthodontic treatment by means of radiograph in the
malocclusion patients.
In this study the author analysed the frequency and the severity of root resorption in
individual teeth. the relationships of the frequency and the severity of root resorption
and age, sex, Angle's classification, overjet, overbite, and maxillary and mandibular
incisor inclination, and the relationships of the frequency of root resorption and the
characteristics of malocclusion and marked occlusal attrition showed in individual teeth.
The results were as follows.
1. All of the persons examined showed some evidence of root resorption in one or more
of the permanent teeth, 35.84£¥ of the teeth examined and more frequent in female
group than male group(p£¼0.01).
2. On the susceptibility of the root resorption in individual teeth in this study, the
author found the mandibular incisors and the maxillary incisors, in the order named, to
be most susceptible in all affected teeth, but maxillary central incisors, maxillary first
bicuspids, and maxillary lateral incisors, in the order named, were more susceptible to
marked root resorption.
3. The more proclined maxillary incisors the more affected root resorption in four
maxillary incisors and the more proclined mandibular incisors the more affected root
resorption in four mandibular incisors.
4. Overbite more affected root resorption than overjet, and the higher tender to openbite
the more frequent was root resorption.
5. On the characteristics of malocclusion showed in individual teeth, the openbite teeth
combined with crossbite, were most frequent in root resorption.

Å°¿öµå

Ä¡±ÙÈí¼ö; ºÎÁ¤±³ÇÕ; ºóµµ; ½É°¢µµ; root resorption; malocclusion; frequency; severity;

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