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CHANGES IN ADHESION OF STREPTOCOCCUS MUTANS TO NANOCOMPOSITE RESINS AFTER ACIDULATED PHOSPHATE FLUORIDE GEL APPLICATION

´ëÇѼҾÆÄ¡°úÇÐȸÁö 2005³â 32±Ç 3È£ p.427 ~ 436
Á¤¿µÁ¤, ±è¿µÀç, ±èÁ¤¿í, Àå±âÅÃ,
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Á¤¿µÁ¤ ( Jung Young-Jung ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¤¿í ( Kim Jung-Wook ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Àå±âÅà( Jang Ki-Taeg ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º¹ÇÕ·¹Áø Ç¥¸é¿¡ ´ëÇÑ APF gel µµÆ÷´Â Ç¥¸éÀ» °ÅÄ¥°Ô ÇÏ°í ¼¼±Õ ºÎÂøÀ» Áõ°¡½ÃŲ´Ù. º» ¿¬±¸´Â Filtek Z250(FZ), Filtek Supreme Universal(FS)°ú, ½ÇÇèÀûÀ¸·Î ³ª³ëÃæÀüÀ縦 °¢°¢ 0%, 3%, 6% Æ÷ÇÔ½ÃÄÑ ¸¸µç º¹ÇÕ·¹Áø(E0, E3, E6)À¸·Î Á¦ÀÛÇÑ ·¹Áø ½ÃÆíÀ», APF gelÀ» Àû¿ëÇÑ ±º°ú Àû¿ëÇÏÁö ¾ÊÀº ±ºÀ¸·Î ³ª´©¾î Streptococcus mutansÀÇ ºÎÂø·®°ú Ç¥¸é Á¶µµ¸¦ ÃøÁ¤ÇÏ°í ºñ±³, Æò°¡ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.

1. APF gelÀ» Àû¿ëÇÏÁö ¾ÊÀº ·¹Áø ½ÃÆí¿¡ ´ëÇÑ S. mutans ºÎÂø·®Àº FS¿¡¼­ °¡Àå Àû¾ú°í, FZ, E3, E6¿¡ ´ëÇÑ ºÎÂø·®º¸´Ù´Â À¯ÀÇÇÏ°Ô ³·¾Ò´Ù(p£¼0.05).

2. ¸ðµç ·¹Áø±º¿¡¼­ APF gelÀ» Àû¿ëÇÑ ·¹Áø ½ÃÆí¿¡ ´ëÇÑ S. mutans ºÎÂø·®Àº APF gelÀ» Àû¿ëÇÏÁö ¾ÊÀº ½ÃÆí¿¡ ´ëÇÑ ºÎÂø·®º¸´Ù À¯ÀÇÇÏ°Ô ³ô¾Ò´Ù(p£¼0.05).

3. APF gelÀ» Àû¿ëÇÑ ·¹Áø ½ÃÆí¿¡ ´ëÇÑ S. mutans ºÎÂø·®Àº ·¹Áø±º°£ À¯ÀÇÇÑ Â÷À̸¦ º¸¿´À¸¸ç(p£¼0.05), FS, FZ, E0, E3, E6ÀÇ ¼ø¼­·Î ³ôÀº °ªÀ» º¸¿´´Ù.

4. APF gel Àû¿ë ÀüÀ̳ª ÈÄ¿¡, ·¹Áø±º°£ Ç¥¸éÁ¶µµÀÇ Â÷ÀÌ´Â À¯ÀÇÇÏÁö ¾Ê¾Ò´Ù(p£¾0.05).

Topical application of APF gel can increase the surface roughness of resin composites and the roughened surfaces may allow increased bacterial accumulation and surface staining. Resin specimens of two proprietary resin composites, Filtek Z250(FZ) and Filtek Supreme Universal(FS), and experimental resin composites containing 0%, 3%, 6% nanofillers(E0, E3, E6) were fabricated and divided into two groups of the same number: APF treatment group and no treatment group. The amount of S. mutans adhered to specimens and the mean surface roughness(Ra) were measured. The results were as follows;

1. In no treatment group, the amount of S. mutans adhered to FS was the smallest. It was significantly different from those of FZ, E3, E6(p£¼0.05) although it was not significantly different from that of E0(p£¾0.05).

2. For all resin composites used, the amount of S. mutans adhesion in APF treatment group was significantly greater than that in no treatment group(p£¼0.05).

3. In APF treatment group, the amount of S. mutans adhesion was significantly different between materials(p£¼0.05), and increased in order of FS, FZ, E0, E3 and E6.

4. Difference of the surface roughness(Ra) between materials was not statistically significant in both no treatment group and APF treatment group(p£¾0.05)

Å°¿öµå

³ª³ëÃæÀüÀç;APF ge;Streptococcus mutans ºÎÂø;Ç¥¸éÁ¶µµ
Nanofiller;APF gel;Streptococcus mutans adhesion;Surface roughness

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