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A STUDY ON THE EFFECTS OF FINISHING/POLISHING TIMING ON SURFACE FEATURES OF COMPOSITE RESTORATION

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Abstract

ÀûÀýÇÑ ¸¶¹«¸®¿Í ¿¬¸¶´Â Ä¡¾Æ ¼öº¹¹°ÀÇ ½É¹Ì¼º°ú ³»±¸¼º Ç×»óÀ» À§ÇØ ÇʼöÀûÀÎ °úÁ¤ÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â º¹ÇÕ·¹ÁøÀÇ ¸¶¹«¸®/¿¬¸¶ °úÁ¤ ½ÃÇà¿¡ À־ ½Ã±âÀû Â÷À̸¦ µÎ¾î ¸¶¹«¸®/¿¬¸¶ ½Ã±â°¡ º¹ÇÕ·¹ÁøÀÇ Ç¥¸é °ÅÄ¥±â¿Í °æµµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºñ±³ÇÏ°íÀÚ ÇÏ¿´´Ù.
³× Á¾·ùÀÇ º¹ÇÕ·¹Áø(Filtek A110, Silux Plus, Revolution formular2, Palfique Estelite)À» ÀÌ¿ëÇÏ¿© ½ÃÆíÀ» Á¦ÀÛÇÏ°í ¸¶¹«¸®/¿¬¸¶ °úÁ¤À» °ÅÄ¡Áö ¾ÊÀº ´ëÁ¶±º°ú ÁßÇÕ Á÷ÈÄ ¸¶¹«¸®/¿¬¸¶¸¦ ½ÃÇàÇÑ °æ¿ì¿Í 1ÁÖ ÈÄ ¸¶¹«¸®/¿¬¸¶¸¦ ½ÃÇàÇÑ µÎ °¡Áö ½ÇÇ豺À¸·Î ±¸ºÐÇÏ¿´´Ù. ÀÌ ½ÃÆíµéÀÇ Ç¥¸é °ÅÄ¥±â(R value. §­)¿Í °æµµ(VHN)¸¦ ÃøÁ¤ÇÏ°í, ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î °üÂûÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ³× °¡Áö Àç·á ¸ðµÎ ´ëÁ¶±º¿¡¼­ °¡Àå È°ÅÃÇÑ Ç¥¸éÀ» ¾ò¾ú°í ¸¶¹«¸®/¿¬¸¶ °úÁ¤À» °ÅÄ£ ÈÄ Ç¥¸é °ÅÄ¥±â°¡ Áõ°¡ÇÏ¿´À¸³ª, ¸¶¹«¸®/¿¬¸¶ ½Ã±â¿¡ µû¸¥ À¯ÀÇÇÑ Â÷ÀÌ´Â º¸ÀÌÁö ¾Ê¾Ò´Ù.
2. Ç¥¸é °ÅÄ¥±â´Â ÁßÇÕ Á÷ÈÄ ¸¶¹«¸®/¿¬¸¶¸¦ ½ÃÇàÇÑ °æ¿ì Silux Plus¿Í Revolution formular 2°¡ Â÷À̸¦ º¸¿´°í, 1ÁÖ ÈÄ ½ÃÇàÇÑ °æ¿ì Silux Plus¿Í Palfique Estelite°¡ Â÷À̸¦ ³ªÅ¸³»¾ú´Ù(p<0.05).
3. °æµµ´Â Àç·á¿¡ µû¶ó Palfique Estelite > Filtek A110 > Silux Plus > Revolution formular 2 ¼øÀ¸·Î °¨¼ÒÇÏ¿´À¸³ª, ¸¶¹«¸®/¿¬¸¶ ½Ã±â¿¡ µû¸¥ Â÷ÀÌ´Â º¸ÀÌÁö ¾Ê¾Ò´Ù.
4. ¸¶¹«¸® ¿¬¸¶½Ã±â°¡ Ç¥¸é °ÅÄ¥±â¿Í °æµµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀº Àç·á¿¡ µû¶ó Â÷À̸¦ º¸¿´´Ù.
Proper finishing/polishing of dental restorations are critical clinical procedures that enhance both es¡þthetics and longevity of restored teeth. This study was to compare the effects of immediate and delayed finishing/polishing procedures on the surface roughness and surface hardness of tooth-colored restora¡þtives including two microfilled composite resins, such as Filtek Al 10 and Silux Plus, two hybrid compos¡þite resins, such as Revolution formular2 and Palfique Estelite. A total of 48 specimens were made for each material. The first 16 specimens served as the control group and the remaining 32 specimens were randomly divided into two equal groups. The control group was stored in distilled water at 371C for 1 week after light polymerization against the Mylar sheet. The first experimental group was finished/pol¡þished immediately after light polymerization and stored for 1 week in distilled water at 37C, whereas the while the second group was finished/polished 1 week after light polymerization and stored in distilled wa¡þter at 37C.
The results were as follows:
1. The smoothest surface was produced by Mylar sheet and finishing/polishing procedure increased the surface roughness. However, the surface roughness of composite resins were not influenced by the finishing/polishing timing.
2. There were significant differences about surface roughness between Revolution formular 2 and Silux Plus regarding immediate finishing/polishing, and between Palfique Estelite and Silux Plus regard¡þing delayed finishing/polishing(p(0.05).
3. The sequence of the surface hardness was ascending order by Revolution formular 2, Silux Plus, Filtek A110 and Palfique Estelite. However, there were no significant differences about hardness among the control group and two finishing/polishing timing groups.
4. The effects of finishing/polishing time on surface roughness and hardness appeared to be material¡þdependent.

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º¹ÇÕ·¹Áø;¸¶¹«¸®/¿¬¸¶ ½Ã±â;Ç¥¸é°ÅÄ¥±â¿Í °æµµ;Composite resin;Finishing/polishing timing;Surface roughness and hardness

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