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±Ù°üÄ¡·á¿ë ¹«¼±Àü±â¸ðÅÍÀÎ X-SmartÀÇ Àü¿øÀÇ Á¾·ù¿¡ µû¸¥ RPM º¯È­ÀÇ Æò°¡

The Evaluation of RPM Change in X-Smart According to Power Source ; Endodontic Wireless Electronic Motor

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¹Ú¼¼Èñ, Á¤µ¿ºó, Á¶°æ¸ð, ±èÁø¿ì,
¼Ò¼Ó »ó¼¼Á¤º¸
¹Ú¼¼Èñ ( Park Se-Hee ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡ÀÇÇаú
Á¤µ¿ºó ( Jeong Dong-Bin ) - °­¸ª´ëÇб³ ÀÚ¿¬°úÇдëÇÐ Á¤º¸Åë°èÇаú
Á¶°æ¸ð ( Cho Kyung-Mo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡ÀÇÇаú
±èÁø¿ì ( Kim Jin-Woo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡ÀÇÇаú

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ±Ù°üÄ¡·á¿ë ¹«¼±Àü±â¸ðÅÍÀÎ X-SmartÀÇ Áö¼ÓÀûÀÎ »ç¿ë ½Ã, ¹èÅ͸®Àü¿ø°ú AC ¾î´ðÅÍ Àü¿øÀÏ ¶§ ÀÇ RPMÀÇ À¯Áö¸¦ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù. X-Smart (Dentsply Maillefer, Ballaigues, Switzerland) ½ÅÇ° 5´ë¸¦ »ç¿ëÇÏ¿´´Ù. º»Ã¼¿¡ ¿¬°áÇÑ ÇÚµåÇǽº¸¦ ¹ÙÀ̽º¿¡ °íÁ¤ÇÏ°í, RPMÀÇ ÃøÁ¤À» À§ÇÑ ¹Ý»çÁö¸¦ ºÙÀÎ Disk¸¦ ÀåÂøÇÏ¿´´Ù. ºñÁ¢ÃË½Ä RPMÃøÁ¤±âÀÎ TM-5000À» »ç¿ëÇÏ¿© RPMÀ» ÃøÁ¤ÇÏ¿´´Ù. ¹èÅ͸® Àü¿ø½ÃÀÇ RPM°ú AC ¾î´ðÅÍ Àü¿ø½ÃÀÇ RPMÀ» 5ºÐ ¸¶´Ù 180ºÐ¿¡ °ÉÃÄ ÃøÁ¤ÇÏ¿´°í °¢ Àü±â¸ðÅ͸¶´Ù 3ȸ¾¿ ¹Ýº¹ÇÏ¿´´Ù. SPSSTM 14.0À» ÀÌ¿ëÇÏ¿© 2¿äÀÎ ¹Ýº¹ÃøÁ¤ºÐ¼®À» ÅëÇØ °¢ Àü¿øº° Àü±â¸ðÅÍ¿¡ µû¸¥ RPM º¯È­·®°ú Àü¿øÀÇ Á¾·ù¿¡ µû¸¥ RPM º¯È­·®ÀÇ »ó°ü°ü°è¸¦ 95% À¯ÀÇ ¼öÁØ¿¡¼­ ºñ±³ÇÏ¿´´Ù. Àü¿øÀÇ Á¾·ù¿Í °ü°è¾øÀÌ °°Àº Àü¿ø¿¡¼­ °¢ ±â±âº° RPM º¯È­·®Àº À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò°í, Àü¿øÀÇ Á¾·ù¿¡ µû¸¥ RPM º¯È­·®ÀÇ Â÷ÀÌ´Â 90ºÐ ÀÌÈÄÀÇ ÃøÁ¤Ä¡¿¡¼­ Á¡ÁøÀûÀ¸·Î Áõ´ëµÇ´Â °ÍÀÌ °üÂûµÇ¾îÁö³ª Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ´Â º¸ÀÌÁö ¾Ê¾Ò´Ù. ÀÌ»óÀÇ °á°ú·Î, ¹èÅ͸® Àü¿øÀÇ ¹«¼±Àü±â¸ðÅͷμ­ÀÇ X-Smart¸¦ 180ºÐ À̳»·Î ¿¬¼Ó»ç¿ë ÇÑ´Ù¸é, ½Å·Ú¼º ÀÖ´Â RPM À¯Áö¸¦ ¾ò¾î ¾ÈÀüÇÑ ÀÓ»ó»ç¿ëÀÌ °¡´ÉÇϸ®¶ó »ý°¢µÈ´Ù.

The purpose of this study was to evaluate RPM maintenance in X-Smart according to the power supplied by the AC adapter and rechargeable battery. Five new X-Smart were used in this study. A handpiece with rubber disk which has reflective tape was mounted on the vice. To measure the RPM, a non-contact type digital tachometer was used. RPM measurements were recorded every 5 minutes to 180 minutes and repeated 3 times per motor from each power source. To evaluate a difference of the RPM changes, two-way repeated measures were performed using SPSSTM 14.0. All tests were conducted at the 95 percent confidence level. There was no significant difference in the RPM change between the power sources. Continuous use of X-Smart with a rechargeable battery for up to 180 minutes could be safely used as an endodontic wireless motor with a reliable RPM maintenance.

Å°¿öµå

ȸÀü¼Óµµ;RPM;X-Smart;Àü±â¸ðÅÍ
Rotational speed;RPM;X-Smart;Electronic motor

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