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A STUDY ON THE EMG ACTIVITIES OF MASTICATORY MUSCLES OF THE CHILDREN WITH UNILATERAL MASTICATION

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Abstract

°á·Ð
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1. ÀÓ»óÀû ¾ÈÁ¤À§¿¡¼­ ±³±Ù ¹× ÃøµÎ±ÙÀÇ ÃÖ´ë ±ÙÈ°¼ºµµ´Â ½À°ü¼º ÀúÀÛÃøÀÌ ´õ ³ô°Ô ³ªÅ¸³µ
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2. ÀÓ»óÀûÀÎ ¾ÈÁ¤À§¿¡¼­ ±³±Ù ¹× ÃøµÎ±ÙÀÇ Æò±Õ ±ÙÈ°¼ºµµ´Â ½À°ü¼º ÆíÃø ÀúÀÛÃøÀÌ ´õ ³ô¾Ò
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3. À̾ǹ°±âÀ§¿¡¼­ÀÇ ±ÙÈ°¼ºµµ´Â ÃøµÎ±Ù¿¡¼­ ½À°ü¼º ÀúÀÛÃøÀÌ ´õ ³ô°Ô ³ªÅ¸³µ´Ù.
#ÃÊ·Ï#
With the aim of evaluating the functional characteristics and alterations of masticatory
muscles in growing children with side-chewing habit, average and maximum muscle
activities of right and left masseter and anterior temporal were measured at clinical rest
position and clenching position from them with electromyography. The data were
processed and analyzed, which yields the results are follows :
1. In clinical rest position, habitually chewing side showed the higher maximum muscle
activities in both masseter and temporal muscles.
2. In clinical rest position, habitually chewing side showed the higher average muscle
activities in both masseter and temporal muscles.
3. In clenching position, temporal muscles in habitually preferred side showed the
higher muscle activities.

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