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An Experimental Study on the Components Elution from Dental Pit and Fissure Sealants

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Abstract

°á·Ð
ÃÖ±Ù ¿ì½Ä ¿¹¹æÄ¡·á¿¡ »ç¿ëÇÏ´Â Ä¡°ú¿ë ¼Ò¿Í¿­±¸ Àü»öÁ¦¿¡¼­ ȯ°æÈ£¸£¸ó¼º ¹°ÁúÀÎ
bisphenol-A À¯Ãâ¿¡ °üÇÏ¿© ³í¶õ°ú °ü½ÉÀÇ ´ë»óÀÌ µÇ°í ÀÖ¾î º» ¿¬±¸´Â ½ÇÇè½Ç¿¡¼­ ±¤ÁßÇÕ
Ä¡°ú¿ë ¼Ò¿Í¿­±¸ Àü»öÁ¦¸¦ Áõ·ù¼ö¿Í ¾ËÄڿÿ¡ 5 ½Ã°£ ħÁöÇÏ¿© ¿ëÃâµÇ´Â Áß¿ä À¯Ã⼺ºÐÀ»
È®ÀÎÇÏ°í Á¤·®È­ÇÏ°íÀÚ ÇÏ¿´´Ù.
½ÇÇ豺À¸·Î ·¹Áø°è ±¤ÁßÇÕ Ä¡°ú¿ë ¼Ò¿Í¿­±¸ Àü»öÁ¦ 5 Á¾ (CON, PRI, ELI, FSF ¹× TF1)
À» »ç¿ëÇÏ¿© Áõ·ù¼ö¿Í 99.99 £¥ ¿¡Åº¿Ã¿¡ ħÁöÇÑ ÈÄ À¯ÃâÇÑ °¢ ¼ººÐÀº °í¼º´É ¾×ü Å©·Î¸¶
Åä±×·¡ÇÇ (High-Performance Liquid Chromatography, Waters, U.S.A.), ±âü Å©·Î¸¶Åä±×·¡
ÇÇ (Gas Chromatography, HP 6890, U.S.A.), Áú·®ºÐ¼®±â (Mass Spectroscopy, HP 5973,
U.S.A.) ¹× Àڿܼ±-°¡½Ã±¤¼± ºÐ¼®±â (Ultraviolet Spectrophotometer, Hitachi U-2000,
Japan.) ¸¦ ÀÌ¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù.
À¯ÃâµÈ ¼ººÐÀÇ ºñ±³´Â °¢ Àü»öÁ¦ÀÇ ÁÖ¿ä ±¸¼º ¼ººÐÀÎ bisphenol-A, triethyleneglycol
dimethacrylate ¹× bis-glycidyl dimethacrylate À» Ç¥Áع°Áú·Î »ç¿ëÇÏ¿© ºÐ¼®ÇÑ ¹Ù ´ÙÀ½°ú
°°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1 Áõ·ù¼ö¿¡ ħÁöÇÑ ¸ðµç Ä¡°ú¿ë ¼Ò¿Í¿­±¸ Àü»öÁ¦´Â ¿ëÃâ½Ã°£ 2.70 ºÐ¿¡ TEGDMA ¸¦ ¿ë
ÃâÇÏ¿´°í Á¦Ç°°£ÀÇ ¿ëÃâ·®Àº À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù (p<0.05).
2. ¾ËÄڿÿ¡ ħÁöÇÑ Ä¡°ú¿ë ¼Ò¿Í¿­±¸ Àü»öÁ¦´Â TEGDMA ¿Í Bis-GMA (¶Ç´Â UDMA)
¸¦ °¢°¢ ¿ëÃâ½Ã°£ 2.70 ºÐ°ú 6.04 (¶Ç´Â 4.80) ºÐ¿¡¼­ ¿ëÃâÇÏ¿´´Âµ¥, CON, PIF ¹× ELI ±º ¿¡
¼­ÀÇ TEGDMA ÀÇ ¿ëÃâ·®Àº À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú°í (p>0.05), Bis-GMA ÀÇ ¿ëÃâ·®µµ CON
¹× ELI ±º¿¡¼­ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù (p>0.05).
3. Bisphenol-A ´Â ¿¡Åº¿Ã¿¡ ħÀûÇÑ PIF ±º¿¡¼­¸¸ ¿ëÃâµÇ¾ú´Ù(¿ëÃâ½Ã°£Àº HPLC : 2.51
ºÐ, GC/Mass : 8.02 ºÐ).
4. Ä¡°ú¿ë ¼Ò¿Í¿­±¸ Àü»öÁ¦ Á¶¼ºÀÇ °¢ ¿ëÃâ·®ÀÇ ¹üÀ§´Â ÁßÇÕÇÑ Àü»öÁ¦ ¹«°ÔÀÇ 0.04¡­1.94
£¥ ¿´´Ù.
#ÃÊ·Ï#
From the recent study, it has raised controversy and concern about an estrogenic
chemical, bisphenol-A, which was released from resin-based dental pit and fissure
sealants. The purpose of this study was to identify and quantify bisphenol-A and other
key teachable components that might be released from dental pit and fissure sealants.
Five commercially available light-cured resin-based pit and fissure sealants were studied
(CON, PFI, ELI, FSF, and TF1). Specimens were prepared from approximately 50 §¡ of
each pit and fissure sealants. After curing, specimens were weighed and immersed in
two different solution (deionized water and 99.99 £¥ ethyl alcohol) for 5 hrs. Solutions
were analyzed by using High-Performance Liquid Chromatography (HPLC), Gas
Chromatography (GC), Mass Spectroscopy (MS), and Ultraviolet Spectrophotometer (US)
to detect various leachable components (bisphenol-A : BPA, triethyleneglycol
dimethacrylate : TEGDMA, bis-glycidyl dimethacrylate ; Bis-GMA). Three specimens of
each sealant were tested.
From the experiment, the following results were obtained : In deionized water, peak
with retention time of 2.70 min was identified as TEGDMA and the amount of
TEGDMA elution from specimens showed statistically significant difference (p<0.05). In
ethyl alcohol, peaks with retention times of 2.70 and 6.04 (4.80) min were identified as
TEGDMA and Bis-GMA (UDMA), respectively. TEGDMA elected from CON, PIF, and
ELI showed no statistically significant difference (p>0.05). Also, Bis-GMA eluted from
CON, ELI, and FSF showed no statistically significant difference (p>0.05). However
bisphenol-A was detected at PIT specimen in ethyl alcohol (retention time : 2.51 min in
HPLC and 8.02 min in GC-Mass.). The monomers of pit and fissure sealants were
leached within a range of 0.04¡­1.94 £¥ of the original weight of the cured sealant for
five hours.

Å°¿öµå

bisphenol-A; GC-Mass; HPLC; leachable component; pit and fissure sealants; TEGDMA;

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