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The Effectiveness of Clinical Sterilization Methods in Dental Air/water Syringes

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±è¹Ì¾Æ ( Kim Mi-Ah ) - ÀüºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÀç°ï ( Kim Jae-Gon ) - ÀüºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
¹éº´ÁÖ ( Baik Byeong-Ju ) - ÀüºÏ´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸´Â ¹Ì»ý¹°ÀÇ ¹è¾çÀ» ÅëÇØ ÀÓ»óÀûÀ¸·Î È¿°úÀûÀÎ air/water syringeÀÇ ¼Òµ¶¹ýÀ» Á¶»çÇÒ ¸ñÀûÀ¸·Î, Ä¡°ú º´¿ø¿¡¼­ »ç¿ëÇÏ´Â 10°³ÀÇ AWS tipÀ» »ç¿ëÇÏ¿´´Ù. ½ÇÇ豺Àº 6°³ ±ºÀ¸·Î ³ª´©¾î ½ÇÇèÀ» 3¹ø¾¿ ¹Ýº¹ÇÏ¿© 180°³ÀÇ »ùÇÃÀ» ¾ò¾ú´Ù. 1±ºÀº ¼Òµ¶ÇÏÁö ¾ÊÀº °æ¿ì, 2±ºÀº ¹°¿¡ Àû½Å °ÅÁî·Î Å« ¿À¿°¹°¸¸ Á¦°ÅÇÑ °æ¿ì, 3±ºÀº 78% ¿¡Åº¿Ã ½ºÆÝÁö·Î 10ÃÊ°£ ¼Òµ¶ÇÑ °æ¿ì, 4±ºÀº 78% ¿¡Åº¿Ã ½ºÆÝÁö·Î 20ÃÊ°£ ¼Òµ¶ÇÑ °æ¿ì, 5±ºÀº 1 : 100À¸·Î Èñ¼®ÇÑ High Level DisinfectantÀ» Àû½Å ½ºÆÝÁö·Î 20ÃÊ°£ ¼Òµ¶ÇÑ °æ¿ì, 6±ºÀº °¡¾ÐÁõ±â¸ê±ÕÇÑ °æ¿ìÀÌ´Ù. 1±º°ú 2±ºÀº 4, 5, 6±ºº¸´Ù À¯ÀÇÇÏ°Ô ³ôÀº ¹Ì»ý¹°Áý¶ôÇü¼ºÀ» º¸¿´´Ù(p < 0.05). ¶ÇÇÑ 4, 5, 6±ºÀº ¹Ì»ý¹° Áý¶ôÀÌ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. ¿¡Åº¿Ã°ú High level Disinfectant¸¦ »ç¿ëÇÏ¿© AWS tipÀ» 20ÃÊ ÀÌ»ó ¼Òµ¶ÇÏ´Â °ÍÀº °¡¾Ð¸ê±Õ¹ýÀ̳ª ÀÏȸ¿ë tipÀÇ »ç¿ëÀÌ °¡´ÉÇÏÁö ¾ÊÀº °æ¿ì ±³Â÷°¨¿° ¿¹¹æÀ» À§ÇØ À¯¿ëÇÑ ¹æ¹ýÀÌ µÉ ¼ö ÀÖ´Ù.

This study aims to investigate contamination level and effective clinical disinfection methods of dental air/water syringes (AWS) by using microbial incubation. This study used AWS of ten dental unit chairs of Hospital. Total 180 samples were obtained. There are six groups of samples: non-sterilized (group 1), sanitized with wet-gauze (group 2), sanitized with 78% ethanol sponge for 10 seconds (group 3), sanitized with 78% ethanol sponge for 20 seconds (group 4), sanitized with 1 : 100 diluted High Level Disinfectant (group 5), autoclaved (group 6). Group 1 and 2 showed statistically significant level of CFUs than Group 4, 5 and 6 (p < 0.05). Group 4, 5 and 6 did not show any noticeable CFU. Sanitizing AWS tips with ethanol and High level Disinfectant proves to be a useful and practical method for preventing cross-infections.

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Ä¡°ú¿ë air/water syringe; ¼Òµ¶¹ý; ¹Ì»ý¹° ¿À¿°
Dental air/water syringe; Sterilization methods; Microbial contamination

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