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A STUDY ON TOOTHBRUSH ABRASION OF CERVICAL RESTORATIVE MATERIALS

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¹éº´ÁÖ ( Baik Byeong-Ju ) - ÀüºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¾çÁ¤¼÷ ( Yang Jeong-Sook ) - ÀüºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À̵Îö ( Lee Doo-Cheol ) - ÀüºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÀç°ï ( Kim Jae-Gon ) - ÀüºÏ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× ±¸°­»ýü°úÇבּ¸¼Ò

Abstract

º» ¿¬±¸¿¡¼­´Â Ä¡°æºÎÀÇ ½É¹Ì¼öº¹¿¡ ÀÌ¿ëµÇ°í ÀÖ´Â 7Á¾ÀÇ Àç·á¸¦ ½ÃÇèÀç·á·Î ¼±ÅÃÇÑ ´ÙÀ½ ÀÕ¼ÖÁúÀÌ ÀÌµé ¼öº¹Àç·áÀÇ ¸¶¸ðµµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡Çϱâ À§ÇØ Àüµ¿½Ä ¸¶¸ð½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© ÀÕ¼ÖÁú ÇÏÁß 2.0NÀ¸·Î 100,000ȸÀÇ ÀÕ¼ÖÁúÀ» ½ÃÇàÇÑ ´ÙÀ½ °¢ ½ÃÆíÀÇ Æò±Õ µÎ²² °¨¼Ò¿Í Ç¥¸éÁ¶µµ¸¦ ÃøÁ¤ÇÏ¿´°í, Ç¥¸é°æµµ°¡ ¿¬¸¶¼º ¸¶¸ð¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡Çϱâ À§ÇØ ´©ÇÁ °æµµ¸¦ ÃøÁ¤ÇÑ °á°ú, ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù. 1. ´©ÇÁ °æµµ°ªÀº F2000 ±º¿¡¼­ 79.7·Î °¡Àå ³ô°í Heliomolar ±º¿¡¼­ 20.0À¸·Î °¡Àå ³·Àº °ªÀ» º¸¿´À¸¸ç, Tukey ´ÙÁß¹üÀ§°ËÁõ¹ý¿¡ ÀÇÇؼ­ °¢ ±º »çÀÌÀÇ Åë°èÀû À¯ÀǼºÀ» °ËÁõÇÑ °á°ú Compoglass ±º°ú Dyract AP ±ºÀ» Á¦¿Ü ÇÑ ¸ðµç ±ºµé »çÀÌ¿¡¼­ »óÈ£°£¿¡ À¯ÀÇ ÇÑ Â÷À̸¦ º¸¿´´Ù(p<0.05). 2. Ç¥¸éÁ¶µµ´Â Improved Fuji II LC ±º¿¡¼­ °¡Àå ³ô°í UniFil F±º¿¡¼­ °¡Àå ³·°Ô ³ªÅ¸³µÀ¸¸ç, Tukey ´ÙÁß¹üÀ§°ËÁõ¹ý¿¡ ÀÇÇؼ­ °¢ ±º»çÀÌÀÇ Åë°èÀû À¯ÀǼºÀ» °ËÁõÇÑ °á°ú, Improved Fuji II LC±º, F2000 ±º°ú UniFil F±º »çÀÌ¿¡¼­¸¸ »óÈ£°£¿¡ À¯ÀÇÇÑ Â÷À̸¦ º¸¿´´Ù(p<0.05). 3. Ç¥¸éÁ¶µµ¿Í ¸¶¸ðµµ´Â Ä¡¾àÀ¸·Î À¯Ä¡¿ëÀÇ °Ö Çü ÆäÀ̽ºÆ®ÀÎ Tom & Jerry¸¦ »ç¿ëÇÑ °æ¿ìº¸´Ù ¼ºÀοëÀÇ ÆäÀ̽ºÆ®ÀÎ Perio ¸¦ »ç¿ëÇÑ °æ¿ì¿¡ ³ô°Ô ³ªÅ¸³µ´Ù(p<0.05). 4. ¿¬¸¶¸é¿¡¼­´Â ±âÁú·¹ÁøÀÇ ¼±ÅÃÀûÀÎ ¸¶¸ð¿¡ ÀÇÇÑ ÇÊ·¯ÀÇ µ¹Ãâ·Î ÀÎÇØ Ç¥¸éÁ¶µµ°¡ Áõ°¡µÈ ¾ç»óÀÌ °üÂûµÇ¾ú´Ù.

This study was performed to evaluate the toothbrush abrasion characteristics of seven commercially available light-cured cervical restorative materials one resin-modified glass-ionomer material(Fuji II LC) three polyacid-modified composites(Compoglass, Dyract, F2000), and three light-cured composites(Heliomolar, Palpique Estelite, UniFil F). All samples were stored in distilled water at for 10 days. 2.0N of weight was loaded during the test and the abraded surfaces were examined with profilometer and SEM after 100,000 cycles. The results obtained were summarized as follows; 1. The highest hardness value of 79.7 was observed in the FT group and the lowest value of 20.0 was observed in the HM group. Results of Tukey test showed that an overall significant difference was indicated except the CG and DR groups(p<0.05). 2. The highest surface roughness was observed in the FL group and the lowest was observed in the UF group. Results of Tukey test showed the significant difference between the FL or FT and UF groups(p<0.05). 3. Statistically higher abrasion and surface roughness were observed for the dentifrice of paste type, Perio A+, than for that of gel paste type, Tom & Jerry. 4. The surface roughness values increased on the abraded surfaces because of the protrusion of filler particles due to selective removal of matrix resin.

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Abrasion characteristics;Toothbrush;Surface roughness;Hardness value

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