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Fr nkel appliance (FR-¥²)ÀÇ Ä¡·áÈ¿°ú¿¡ °üÇÑ ´ëÀÀºÎ ºÐ¼®ÇÐÀû ¿¬±¸

Cephalometric study of the therapeutic effects of FT NKEL Appliance(FR-¥²) by the counterpart analysis of Enlow

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Abstract

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Kº´¿ø ¼Ò¾ÆÄ¡°ú¿¡ ³»¿øÇÏ¿© Angle 3±Þ ºÎÁ¤±³ÇÕÀ¸·Î Áø´ÜµÇ¾î, FR-¥²¸¦ ÀÏÁ¤±â°£ ÀåÂø
ÇÑ ÈÄ ÀÓ»óÀûÀ¸·Î ¹Ý´ë±³ÇÕÀÌ ÇØ¼ÒµÈ È¯ÀÚ 31¸í(³² 9, ¿© 22)ÀÇ Ä¡·áÀüÈÄ »óŸ¦ µÎºÎ¹æ»ç¼±
°èÃø»çÁøÀ» ÀÌ¿ëÇÏ¿© °üÂûÇÏ¿´´Ù. Ä¡·áÀü Æò±Õ¿¬·ÉÀº 8.2¼¼(³² 8.5, ¿©8.1)À̾ú°í, ÀåÄ¡ÀÇ Æò
±ÕÀåÂø±â°£Àº 6.4°³¿ù (³² 6.2, ¿© 6.5)À̾ú´Ù.
Ä¡·á ÀüÈÄ µÎºÎ¹æ»ç¼± °èÃø»çÁøÀ» EnlowÀÇ ´ëÀÀºÎ ºÐ¼®¹ý¿¡ ÁØÇÏ¿© Àü»çÇÑ ÈÄ °¢ °èÃøÁ¡
°ú °èÃø¿ë Æò¸é¼±¿¡ ÀÇÇØ °¢ ´ëÀÀºÎ¸¦ ¼­·Î ºñ±³ÇÏ¿© °³Ã¼ÀÇ ¾Ç°ñ±¸Á¶¸¦ ºÐ¼®ÇÏ¿´À¸¸ç, °¢
°èÃøÇ׸ñ¿¡¼­ ³ªÅ¸³­ »ó¾ÇÀüµ¹ ÈæÀº ÇϾÇÀüµ¹È¿°úÀÇ ºóµµ¸¦ »êÁ¤ÇÏ¿© Ä¡·áÀüÈĸ¦ ºñ±³ÇÔÀ¸
·Î½á ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Ä¡·áÀü°ú ºñ±³ÇÏ¿© »ó¾ÇÀüµ¹È¿°úÀÇ ºóµµ´Â »óÇÏ¾Ç ÃÑüÀû ¼öÆò±æÀÌ, »óÇÏ ¾Ç±Ã, ÈÄ»ó¾Ç
¼± ¼öÁ÷±æÀÌ ºñ±³¿¡¼­ ÇöÀúÈ÷ Áõ°¡ÇÏ¿´´Ù.
2. Ä¡·áÀü°ú ºñ±³ÇÏ¿© »ó¾ÇÀüµ¹È¿°úÀÇ ºóµµ´Â »óÇÏ ±¸Ä¡°ü°è, »óÇÏ Ä¡¿­±Ã, ±³ÇÕÆò¸é¹è¿­
ºñ±³¿¡¼­ ÇöÀúÈ÷ Áõ°¡ÇÏ¿´´Ù.
3. Ä¡·áÈÄ ±âÀú°ñÀÇ ±æÀ̺¯È­°¡ Ä¡¿­±ÃÀÇ ±æÀ̺¯È­ º¸´Ù ´õ¿í ÇöÀúÇÏ¿´´Ù.
4. Áߵΰ³¿Í°¢, ÇϾÇÆò¸é ¹è¿­ ±×¸®°í ¾Ç°¢ÀÇ ºñ±³½Ã ³ªÅ¸³­ Ä¡·áÈÄ È¿°ú´Â Ä¡·áÀü°ú ºñ±³
ÇÏ¿© º¯È­°¡ ¾ø¾ú´Ù.
#ÃÊ·Ï#
Since Tomes, C.S. first propounded a definite hypothesis relating arch shape to muscle
activity in 1873, many orthodontic appliances have been developed. One such system of
appliances is the Functional Regulator(FR-¥²) introduced by Rolf Fr nkel.
The purpose of the present study was to evaluate craniofacial morphologic changes of
31 children (boy 9, girl 22), who had been treated with FR-¥² for the correction of class
¥² malocclusion.
In evaluation of changes, this study analysed pre-and post treatment cephalometric
radiograph by the counterpart analysis of Enlow, in which the various facial and cranial
parts are compared with each other to see how they fit. Most conventional methods of
analysis and cephalo metric growth studies are intended essentially to determine what a
particular groth or form pattern is. This procedure was developed to explain how such a
patern was produced in any given person.
By this present study, the following conclusions were obtained.
1. After FR-¥² treatment, the frequency of the maillary protrusion effect was
remarkably increased in Aggregate Cranial floor / Maxilla horizontal dimension,
Maxillary / Mandibular arch and Posterior maxillary vertical dimension.
2. After FR-¥² treatment, the frequency of the maxillary protrusion effect was
remarkably increased in Molar relationship, Maxillary / Mandibular dental arch and
Occlusal plane alignment.
3. Through the treatment, the changes of bony arch were more remarkable than those
of dental arch.
4. After FR-¥² treatment, no change was seen in the effects resulted from the
analysis of Middle Cranial Fossa Angle, Mandibular Plane and Gonial Angle.

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