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Development of a new bite force measurement device and its application in the diagnosis of periapical disease

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ÀÌ°ÇÈñ, ÀÌÀκ¹,
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ÀÌ°ÇÈñ ( Lee Keon-Hee  ) - 
ÀÌÀκ¹ ( Lee In-Bog ) - 

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ¾ÐÀúÇ× °¨Áö ¼¾¼­¸¦ ÀÌ¿ëÇØ »õ·Ó°Ô °³¹ßÇÑ ÀúÀ۾РÃøÁ¤ ÀåÄ¡¸¦ ÀÌ¿ëÇÑ ÀúÀÛ¾ÐÀÇ °´°üÀûÀÎ ÃøÁ¤°ú, À̸¦ ÅëÇÑ Ä¡±Ù´Ü ÁúȯÀÇ Áø´Ü¿¡ÀÇ À¯¿ë¼ºÀ» Æò°¡ÇÏ´Â °ÍÀÌ´Ù. º» ÀåÄ¡ÀÇ ¿ø¸®´Â, ¾ÐÀúÇ× °¨Áö ¼¾¼­¿¡ ÈûÀÌ °¡ÇØÁö¸é ÀúÇ×ÀÌ °¨¼ÒÇÏ°í À̸¦ Ãâ·Â Àü¾ÐÀÇ ÇüÅ·ΠÀûÀýÇÑ Ã³¸® °úÁ¤À» °ÅÃÄ LCD ¸ð´ÏÅÍ¿¡ Ãâ·ÂÇÏ´Â °ÍÀÌ´Ù. ÀåÄ¡¿¡ °¡ÇØÁö´Â Èû°ú Ãâ·Â°ªÀÇ °ü°è¸¦U-Mechanics Analyser (IB Systems, Seoul, Korea)¸¦ ÀÌ¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. Ä¡±Ù´Ü Ä¡ÁÖ¿°À» °¡Áø Ä¡¾Æ¿Í ±×·¸Áö ¾ÊÀº ¹Ý´ëÆí Ä¡¾ÆÀÇ ÀúÀÛ¾ÐÀ» ÃøÁ¤ÇÏ¿© ºñ±³ÇÏ¿´´Ù. Ãâ·Â°ªÀº ÈûÀÇ ·Î±×ÇÔ¼ö, ¶Ç´Â ÈûÀº Ãâ·Â°ªÀÇ Áö¼öÇÔ¼ö·Î Ç¥ÇöµÇ¾ú´Ù. Ä¡±Ù´Ü Ä¡ÁÖ¿°À» °¡Áø Ä¡¾ÆÀÇ ÀúÀÛ¾ÐÀÌ »ó´ëÀûÀ¸·Î ³·¾ÒÀ¸¸ç, ÀúÀ۾Р°¨¼ÒÀ²Àº 18.5 ~ 40.7% ¹üÀ§¿´´Ù. ÀÌ»óÀÇ °á°ú·Î ¹Ì·ç¾î º¼ ¶§, »õ·Ó°Ô °³¹ßÇÑÀúÀ۾РÃøÁ¤ ÀåÄ¡¸¦ ÀÌ¿ëÇÏ¿© °³°³ Ä¡¾ÆÀÇ ÀúÀÛ¾ÐÀ» Á¤·®ÀûÀ¸·Î ÃøÁ¤ÇÒ ¼ö ÀÖÀ¸¸ç, À̸¦ Ä¡±Ù´Ü ÁúȯÀÇ Áø´Ü¿¡ À¯¿ëÇÏ°Ô »ç¿ëÇÒ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·áµÈ´Ù.

The purpose of this study was to develop a new bite force measurement device with a force sensing resistor (FSR), and to evaluate its usefulness in the diagnosis of periapical disease. The principle of this device is based on a decrease in resistance when force is applied to the sensor. The resistance is changed into voltage, processed and displayed on an LCD monitor. The relationship between the force applied to the device and the output value was analyzed using the U-Mechanics Analyser (IB Systems, Seoul, Korea). The bite forces of teeth with apical periodontitis and those without periodontitis on the opposite side were measured and compared. The output value was expressed as a logarithmic function of force, or the force was represented as an exponential function of output value. Teeth with apical periodontitis showed relatively lower bite force, and the reduction rate ranged from 18.5% to 40.7%. Based on these results, it is suggested that the newly developed bite force measurement device can quantitatively measure the bite force of individual teeth, and can be useful in the diagnosis of periapical disease.

Å°¿öµå

ÀúÀ۾РÃøÁ¤ÀåÄ¡; ¾ÐÀúÇ× °¨Áö ¼¾¼­; Ä¡±Ù´Ü Áúȯ; Áø´Ü
Bite force measurement device; Force sensing resistor; Periapical disease; Diagnosis

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