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A cephalometric study in patients with obstructive sleep apnea after use of oral appliance

Korean Journal of Orthodontics 2000³â 30±Ç 3È£ p.287 ~ 296
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Abstract

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ÀÀ°Ë»ç¸¦ À§ÇÑ ¼ö¸é°Ë»ç¸¦ ´Ù½Ã ½ÃÇàÇÏ¿© ÀåÄ¡ ÀåÂø ÀüÈÄÀÇ RDIÀÇ º¯È­¸¦ ±â·ÏÇÏ¿´´Ù.
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ÃøÁ¤ÇÏ¿´´Ù. RDI °³¼±µµ¿¡ µû¶ó °¡Àå ¾çÈ£ÇÏ°Ô ¹ÝÀÀÇÏ´Â 8¸í°ú °¡Àå È¿°ú°¡ ³·°Ô ¹ÝÀÀÇÏ´Â
8¸íÀ» ¼±ÅÃÇÏ¿© µÎ ±ºÀ¸·Î ºÐ·ùÇÏ¿© ±º ºñ±³¸¦ ½ÃÇàÇÏ¿´´Ù.
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RDI °³¼±µµ¿ÍÀÇ »ó°ü°ü°è, ¾È¸ð ÇüÅÂ¿Í RDI °³¼±µµ¿ÍÀÇ »ó°ü°ü°è¸¦ ¾Ë¾Æº¸±â À§ÇÏ¿©
Spearmann correlation analysis¸¦ ½ÃÇàÇÏ¿´´Ù. º» ¿¬±¸ÀÇ °á·ÐÀº ´ÙÀ½°ú °°´Ù.
º» ¿¬±¸¿¡¼­ »ç¿ëµÇ¾îÁø ±¸³»ÀåÄ¡´Â ÀåÂøÀü Æò±Õ REI=46.8¿¡¼­ ÀåÂø ÈÄ Æò±Õ RDI=13.3À¸
·Î °¨¼ÒÇÏ´Â È¿°ú¸¦ ³ªÅ¸³Â°í »ó°ü °ü°è¿¡ À־ ÇϾÇÀÇ Àü¹æÀ̵¿·®°ú ¼³°ñÀÇ »ó¹æ À̵¿·®
Àº ±¸³»ÀåÄ¡ È¿°ú¿Í À¯ÀǼº ÀÖ´Â »ó°ü°ü°è¸¦ ³ªÅ¸³Â´Ù.
Ä¡·á È¿°ú°¡ ¾çÈ£ÇÑ ±º¿¡¼­ ¿¬±¸°³ ³¡°ú ÈĵΠµ¤°³ »çÀÌ ¼öÁØ(level)¿¡¼­ À¯ÀǼº ÀÖ´Â Çô
ÀÇ Àü¹æ À̵¿ÀÌ °üÂûµÇ¾úÀ¸¸ç ÀÌ·¯ÇÑ ±¸³»ÀåÄ¡¿¡ ÀÇÇÑ ÇôÀÇ Àü¹æ À̵¿Àº RDI °³¼±µµ¿Íµµ
À¯ÀǼº ÀÖ´Â »ó°ü°ü°è¸¦ ³ªÅ¸³Â´Ù.
¿¬±¸°³ ³¡°ú ÈĵΠµ¤°³»çÀÌ ¼öÁØ(level)¿¡¼­ »ó±âµµÀÇ ÀüÈÄ¹æ ±æÀÌÀÎ AW´Â RDI °³¼±µµ¿Í
À¯ÀǼº ÀÖ´Â »ó°ü°ü°è¸¦ ³ªÅ¸³Â´Ù.
º» ¿¬±¸¿¡ ÀÇÇϸé ÇôÀÇ Àü¹æ À̵¿°ú ¼³°ñÀÇ »ó¹æ À̵¿, »ó±âµµÀÇ ÀüÈıæÀÌ Áõ°¡µîÀº RDI
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#ÃÊ·Ï#
-Abstract-
It is well known that oral appliance could improve respiratory difficulty in patients
with obstructive sleep apnea (OSA). To evaluate the effect of oral appliance,
polysomnography and cephalometry were performed in OSA patients before and after
oral appliance was used. Twenty four OSA patients were included in this study.
Respiratory difficulty index (RDI) was obtained from polysomnography and the
movement of soft palate, tongue, posterior pharygeal wall, hyoid bone, and mandible and
the variables of the facial pattern were measured on the cephalogram. The changes of
cephalometric parameters were compared to the RDI changes and the correlation was
tested.
After oral appliance was used, RDI decreased from 46.8 to 13.3.
There was significant relationship between RDI improvement and the anterior
movement of the mandible and superior movement of the hyoid bone.
In 8 patients whose RDI was most improved, RDI improvement rate was correlated
with the anterior movement of the on tongue and anterior-posterior (AP) diameter of
the airway at the levels between the lower portion of the soft palate and epiglottis.
These results could conclude that anterior movement of the tongue and superior
movement of the hyoid bone would be favorable cephalometric parameters for the
improvement of OSA.

Å°¿öµå

Æó¼â¼º ¼ö¸é ¹«È£ÈíÁõ; ÄÚ°ñÀÌ ÀåÄ¡; µÎºÎ¹æ»ç¼±; ¼ö¸é°Ë»ç; Obstructive sleep apnea; Intraoral appliance snoring; Cephalogram; Polysomnograph;

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