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Stiffness and Elasticity of the Masticatory and Facial Expression Muscles in Patients with the Masticatory Muscle Pain

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±è¿¬½Å, ±è±â¼®, ±è¹ÌÀº,
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±è¿¬½Å ( Kim Yeon-Shin ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­³»°úÇб³½Ç
±è±â¼® ( Kim Ki-Suk ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­³»°úÇб³½Ç
±è¹ÌÀº ( Kim Mee-Eun ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­³»°úÇб³½Ç

Abstract

ÀúÀÛ±ÙÀå¾Ö ȯÀÚÀÇ ±ÙÀ° Æò°¡¸¦ À§ÇØ ÃËÁø°ú ¾Ð·ÂÅë°¢¿ªÄ¡°¡ ÁÖ·Î ÀÌ¿ëµÇ¾î ¿ÔÀ¸³ª, º» ¿¬±¸´Â ±ÙÀ°ÀÇ °æµµ¿Í ź¼ºµµÀ» Á¤·®ÀûÀ¸·Î ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ÃË°¢¼¾¼­¸¦ ÀÌ¿ëÇÏ¿© ÀúÀÛ±ÙÀ» Æò°¡ÇÏ°í, ÀúÀÛ±ÙÀå¾Ö°¡ ¾È¸éÇ¥Á¤±Ù¿¡ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´ÂÁö Á¶»çÇÏ°íÀÚ ÇÏ¿´´Ù. ¿¬±¸ ´ë»óÀº ´Ü±¹´ëÇб³ Ä¡°úº´¿ø ±¸°­³»°ú¸¦ ³»¿øÇÑ È¯ÀÚ Áß ÆíÃø ±³±Ù¿¡ ÅëÁõ°ú ¾ÐÅëÀÌ ÀÖ´Â ÀúÀÛ±ÙÀå¾Ö ȯÀÚ 27¸íÀ¸·Î¼­ Æò±Õ¿¬·É 36.4¡¾13.8¼¼¿´´Ù. ±ÙÅë ¿Ü¿¡ ÅΰüÀýÀÇ ÀÌ»óÀ̳ª ´Ù¸¥ ÅëÁõ ÁúȯÀ» ÇÔ²² °¡Áø ȯÀÚ´Â Á¦¿ÜÇÏ¿´´Ù. ÃË°¢¼¾¼­´Â Venustron(Axiom Co., JAPAN)À» »ç¿ëÇÏ¿© ÀüÃøµÎ±Ù, ±³±Ù, ÀüµÎ±Ù, ÇϾȷû±Ù, ´ë°ü°ñ±Ù, »óÇϱ¸·û±Ù, À̱ٿ¡ ´ëÇÑ °æµµ¿Í ź¼ºµµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ÀÌȯÃø°ú ºñÀÌȯÃøÀÇ ±ÙÀ° °æµµ¿Í ź¼ºµµ¸¦ ºñ±³ÇÏ¿´À¸¸ç Áø´Ü¿¡ µû¶ó ±¹¼Ò±Ùµ¿Å뱺°ú ±Ù¸·µ¿Å뱺À¸·Î ºÐ·ùÇÏ¿© ºñ±³ÇÏ¿´°í, 6°³¿ùÀ» ±âÁØÀ¸·Î ±Þ¼º±º°ú ¸¸¼º±ºÀ¸·Î ³ª´©¾î ºñ±³ÇÏ¿´´Ù. ÆíÃø ÀúÀÛ±ÙÀå¾Ö°¡ Àִ ȯÀÚÀÇ ÀÌȯÃø°ú ºñÀÌȯÃøÀ» ºñ±³ÇßÀ» ¶§ ÀÌȯÃøÀÇ ±³±Ù°ú ´ë°ü°ñ±Ù¿¡¼­ ±ÙÀ° °æµµ°¡ À¯ÀǼº ÀÖ°Ô Áõ°¡ÇÏ¿´°í ź¼ºµµ´Â À¯ÀǼº ÀÖ°Ô °¨¼ÒÇÏ¿´´Ù(p£¼0.05). ±Þ¼º±º°ú ¸¸¼º±º, ±¹¼Ò±Ùµ¿Å뱺°ú ±Ù¸·µ¿Å뱺 »çÀÌ¿¡´Â À¯ÀÇÇÑ Â÷À̾øÀÌ ÀÌȯÃø ±³±Ù°ú ´ë°ü°ñ±Ù¿¡¼­ °æµµ°¡ Áõ°¡ÇÏ°í ź¼ºµµ´Â °¨¼ÒÇÏ¿´´Ù. ÀÌ»óÀÇ °á°ú´Â ±³±Ù¿¡ ¹ß»ýÇÑ ÀúÀÛ±ÙÅëÀº ±³±Ù »Ó ¾Æ´Ï¶ó ¾È¸éÇ¥Á¤±ÙÀÎ ´ë°ü°ñ±ÙÀÇ Åº¼ºµµ°ú °æµµ¿¡µµ ¿µÇâÀ» ÁÙ ¼ö ÀÖÀ½À» º¸¿©ÁØ´Ù.

This study aimed to assess stiffness and elasticity of the masticatory muscle in the patients with the masticatory muscle pain using a tactile sensor and to investigate whether the masticatory muscle pain affects the facial expression muscles.
From those who visited Department of Oral Medicine in Dankook University Dental Hospital, 27 patients presenting with unilateral muscle pain and tenderness in the masseter muscle (Ms) were selected (mean age: 36.4¡¾13.8 years). Exclusion criterion was those who also had temporomandibular joint (TMJ) disorders or any neurological pain. Muscle stiffness and elasticity for the muscles of mastication and facial expression was investigated with the tactile sensor (Venustron, Axiom Co., JAPAN) and the muscles measured were the Ms, anterior temporal muscle (Ta), frontalis (Fr), inferior orbicularis oculi (Ooci), zygomaticus major (Zm), superior and inferior orbicularis oris (Oors, Oori) and mentalis (Mn). t-tests was used to compare side difference in muscle stiffness and elasticity. Side differences were also compared between diagnostic groups (local muscle soreness (LMS) vs myofascial pain syndrome (MPS) and between acute (£¼ 6M) and chronic (¡Ã 6M) groups. This study showed that Ms and Zm at affected side exhibited significantly increased stiffness and decreased elasticity as compared to the unaffected side.(p£¼0.05) There was no significant difference between local muscle soreness and myofascial pain syndrome groups and between acute and chronic groups. The results of this study suggests that masticatory muscle pain in Ms can affect muscle stiffness and elasticity not only for Ms but also for Zm, the facial expression muscle.

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Masticatory muscle pain;Facial expression muscle;Stiffness;Elasticity

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