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Extraction characteristics of dental polymer-based hand instruments

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±èžç, À̹ÎÁ¤, ÃÖÀº¹Ì,
¼Ò¼Ó »ó¼¼Á¤º¸
±èžç ( Kim Tae-Yang ) - 
À̹ÎÁ¤ ( Lee Min-Jeong ) - 
ÃÖÀº¹Ì ( Choi Eun-Mi ) - 

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº Ä¡°ú¿¡¼­ »ç¿ëµÇ´Â °íºÐÀÚ ±â±¸¿¡¼­ ¿ëÃâµÉ ¼ö ÀÖ´Â À§Çع°ÁúÀ» ºÐ¼®Çϱâ À§ÇÔÀÌ´Ù. ¿¬±¸¿¡¼­´ÂÄ¡°ú¿ë °íºÐÀÚ°è ¼Õ±â±¸ ÀÇ·á±â±â¿¡ ´ëÇÏ¿© ISO 10993-12:2021ÀÇ ¹æ¹ý¿¡ µû¶ó 3Â÷ Áõ·ù¼ö¸¦ ÀÌ¿ëÇÏ¿© °úÀåÁ¶°Ç(4g/20mL, 50 ¡É, 72½Ã°£)¿¡¼­ ¿ëÃâµÇ¾ú´Ù. ¿ëÃâ¹°ÀÇ ¼º»ó, pH, °ú¸Á°£»êÄ®·ýȯ¿ø¼º¹°Áú, ÀÚ¿Ü°¡½ÃºÎÈí¼ö½ºÆåÆ®·³, Áõ¹ßÀÜ·ù·®±×¸®°í ³³ ÇÔÀ¯·®À» ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ BPA(bisphenol A) ¿ëÃâ °¡´É¼ºÀ» È®ÀÎÇϱâ À§ÇÏ¿© ±âüũ·Î¸¶Åä±×·¡ÇÇ/Áú·®ºÐ¼®±â(7826A GC/5977E MS, Agilent Technologies, Santa Clara, CA, USA)¸¦ ÀÌ¿ëÇÏ¿© ¿ëÃâ¹° ³» BPA ÇÔ·®À» ºÐ¼®ÇÏ¿´´Ù.
¿¬±¸°á°ú Ä¡°ú¿ë °íºÐÀÚ°è ¼Õ±â±¸ 10Á¾ÀÇ ¿ëÃâ¹°Àº ¸ðµÎ ¹«»ö Åõ¸íÇÏ¿´°í, À̹°ÁúÀÌ ¹ß°ßµÇÁö ¾Ê¾Ò´Ù. ¿ëÃâ¹°ÀÇ pH´Â0.9~1.7, °ú¸Á°£»êÄ®·ý ¼Òºñ·®ÀÇ Â÷´Â 0.1~0.5 mL, Èí±¤µµ(220~350 nm)´Â 0.05¹Ì¸¸, Áõ¹ßÀÜ·ù·®Àº 0.5~0.8 mg, ³³(pb)Àº4 ppm ÀÌÇÏ¿´À¸¸ç, BPA´Â °ËÃâµÇÁö ¾Ê¾Ò´Ù. º» ¿¬±¸¿¡¼­ »ç¿ëµÈ 10Á¾ÀÇ °íºÐÀÚ ¹°ÁúÀº ±¹³» ±ÔÁ¦±â°ü(½Ä¾àó)¿¡¼­Á¤ÇÑ À§Çع°ÁúÀÇ ±ÔÁ¦¾çÀ» ÃÊ°úÇÏÁö ¾ÊÀ½À» È®ÀÎÇÒ ¼ö ÀÖ¾úÀ¸¸ç, ÀÌ·¯ÇÑ °á°ú´Â º» ¿¬±¸¿¡¼­ ºÐ¼®µÈ °íºÐÀÚ°è ¼Õ±â±¸°¡±¸°­ ³»¿¡¼­ ¾ÈÀüÇÏ°Ô »ç¿ëÀÌ °¡´ÉÇÑ °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.

The purpose of this study is to analyze hazardous substances that can be eluted from polymer instruments used in dentistryin vitro. In the study, Dental polymer based hand instruments were eluted with exaggerated conditions (4g/20mL, 50 ¡É, 72hours) in accordance with ISO 10993-12:2021. Appearance, pH, Potassium permanganate-reducible substances, UV spectrum,Residue on evaporation, and Heavy metals (Pb) and the additional test could be performed by GC/MS for Bisphenol A. Asa result, the extracts of 10 types of dental polymer based hand instruments showed colorless, transparent, and no foreign substances.
pH was between 0.9 to 1.7. the difference in potassium permanganate consumption was 0.1 to 0.5 mL. The absorbance (220~350nm) was less than 0.05, the evaporation residue was 0.5 to 0.8 mg. Pd (pb) was less than 4 ppm, and BPA was not detectedin all extracts. It was confirmed that the 10 types of polymer materials used in this study did not exceed the regulated amountof hazardous substances set by the domestic regulatory body (MFDS). These results suggest that these polymers could be safelyused in the oral cavity as dental instruments.

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°íºÐÀÚ; Ä¡°ú¿ë ±â±¸; Àç·á; ¿ëÃâ¹°
Polymer; Dental instrument; Material; Extractable

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