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Translucency of ceramic veneers on glazing effect

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±è¼ºÁØ ( Kim Sung-Joon ) - Á¦ÁÖ´ëÇб³ ÀÇÇÐÀü¹®´ëÇпø Ä¡°úÇб³½Ç
°¨¼¼ÈÆ ( Kahm Se-Hoon ) - Á¦ÁÖ´ëÇб³ ÀÇÇÐÀü¹®´ëÇпø Ä¡°úÇб³½Ç

Abstract

¸ñÀû: º» ¿¬±¸ÀÇ ¸ñÀûÀº µÎ Á¾ÀÇ ¶ó¹Ì³×ÀÌÆ® ¼¼¶ó¹Í ºñ´Ï¾îÀÇ ±Û·¹ÀÌ¡ ¿©ºÎ¿¡ µû¸¥ ¹ÝÅõ¸íµµ º¯È­¸¦ ºñ±³Çϴµ¥ ÀÖ´Ù.

Àç·á ¹× ¹æ¹ý: IPS e.maxPress (IEM)¿Í Styleveneers (STV)¸¦ ´ë»óÀ¸·Î ÇÏ¿© °¢°¢ 0.3 mm¿Í 0.6 mm µÎ²²ÀÇ ÇÑ º¯ÀÌ 10 mmÀÎ Á¤»ç°¢Çü ÇüÅÂÀÇ ½ÃÆíÀ» ±Û·¹ÀÌ¡À» ½ÃÇàÇÑ ±º°ú ÇÏÁö ¾ÊÀº ±ºÀ¸·Î ³ª´©¾î Á¦ÀÛÇÏ¿´´Ù(n=80). °¢ ½ÃÆíÀº Ãø»ö±â¸¦ ÀÌ¿ëÇÏ¿© »öÁÂÇ¥(CIE L* a* b*)¸¦ ÃøÁ¤ÇÏ¿´´Ù. Translucency Parameter (TP)´Â ÃøÁ¤ÇÑ »öÂ÷¸¦ °è»êÇÏ¿© ¾ò¾ú´Ù. °¢ Á¦Á¶»çº° Â÷ÀÌ¿Í, ±Û·¹ÀÌ¡ ¿©ºÎ¿¡ °üÇÑ Åë°è ºÐ¼®À» À§ÇØ µ¶¸³Ç¥º» t-test¸¦ ½ÃÇàÇÏ¿´´Ù(P=.05).

°á°ú: IEMÀÇ 0.3 mm µÎ²²¿¡¼­ TP°ª(Æò±Õ ¡¾ Ç¥ÁØÆíÂ÷)Àº ±Û·¹ÀÌ¡À» ½ÃÇàÇÏÁö ¾ÊÀº ±º¿¡¼­ 45.99 ¡¾ 3.00, ±Û·¹ÀÌ¡À» ½ÃÇàÇÑ ±º¿¡¼­ 49.53 ¡¾ 2.28À̾úÀ¸¸ç, 0.6 mm µÎ²²¿¡¼­´Â °¢°¢ 32.82 ¡¾ 2.59°ú 43.02 ¡¾ 0.98À̾ú´Ù. ¸¶Âù°¡Áö·Î, STVÀÇ 0.3 mm µÎ²²¿¡¼­ TP°ªÀº ±Û·¹ÀÌ¡À» ½ÃÇàÇÏÁö ¾ÊÀº ±º¿¡¼­ 47.03 ¡¾ 3.65, ±Û·¹ÀÌ¡À» ½ÃÇàÇÑ ±º¿¡¼­ 50.95 ¡¾ 3.05À̾úÀ¸¸ç, 0.6 mm µÎ²²¿¡¼­´Â °¢°¢ 34.48 ¡¾ 1.28°ú 43.39 ¡¾ 1.20À̾ú´Ù. ¼¼¶ó¹Í ºñ´Ï¾îÀÇ ±Û·¹ÀÌ¡ ¿©ºÎ¿¡ µû¶ó, ¼¼¶ó¹Í ºñ´Ï¾îÀÇ TP°ªÀº Åë°èÀûÀ¸·Î Â÷ÀÌ°¡ ³ªÅ¸³µ´Ù. ±×·¯³ª Á¦Á¶»ç°£ÀÇ Åë°èÀû À¯ÀǼºÀº ¾ø¾ú´Ù.

°á·Ð: ÇÑ°è´Â ÀÖÁö¸¸, º» ¿¬±¸¿¡¼­, ¶ó¹Ì³×ÀÌÆ® ¼¼¶ó¹Í ºñ´Ï¾î´Â ±Û·¹ÀÌ¡ °úÁ¤À» °ÅÄ¡¸é ¹ÝÅõ¸íµµ°¡ º¯È­µÇ¸ç, Á¦Á¶»ç°£ÀÇ Â÷ÀÌ´Â ¾ø´Ù´Â °á·ÐÀ» ¾ò¾ú´Ù.

PURPOSE: The aim of this study was to compare the translucency of two different laminate ceramic veneers with and without glazing.

MATERIALS AND METHODS: Ten millimeter side square-shaped specimens in 0.3 mm and 0.6 mm thick were fabricated for the following materials with and without glazing (n=80): A1 shade IPS e.maxPress (IEM) and Styleveneers (STV). The color coordinates (CIE L* a* b*) of the specimens were measured with a colorimeter. The Translucency parameter (TP) was calculated from the color difference of the material on a black versus a white background. For comparisons between materials and between the¡® not glazed¡¯and¡® glazed¡¯groups, unpaired t-test was used to analyze the data (P=.05).

RESULTS: The TP (Mean ¡¾ SD) of¡® not-glazed¡¯and¡® glazed¡¯group of IEM specimens at 0.3 mm thickness were 45.99 ¡¾ 3.00 and 49.53 ¡¾ 2.28 and the TP at 0.6 mm thickness were 32.82 ¡¾ 2.59 and 43.02¡¾0.98, respectively. Likewise, the TP of¡® not-glazed¡¯and¡® glazed¡¯group of STV specimens at 0.3 mm thickness were 47.03 ¡¾ 3.65 and 50.95 ¡¾ 3.05 and the TP at 0.6 mm thickness group were 34.48 ¡¾ 1.28 and 43.39 ¡¾ 1.20, respectively. As the glazing of ceramic veneer differed, the TP of each ceramic veneer showed statistically significant difference. But, the result between the products was not statistically different.

CONCLUSION: Within the limitations of this study, we are concluded that the glazing process changed translucency of laminate ceramic veneers and the TP would not be affected by products.

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¹ÝÅõ¸íµµ; ºñ´Ï¾î; ¼¼¶ó¹Í; ¶ó¹Ì³×ÀÌÆ®; ±Û·¹ÀÌÁî; ¸®Æ¬ ´ÙÀ̽Ǹ®ÄÉÀÌÆ®
Translucency; Veneer; Ceramics; Laminate; Glaze; Lithium Disilicate

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