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An Autoradiographic Study Of The Microleakage Around A Pit And Figure Sealant

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Abstract

°á·Ð
¿µ±¸Ä¡ ¹× À¯Ä¡ÀÇ Ä¡¸é¿­±¸ Àü¼âÀç »ç¿ë ÈÄ ¹Ì¼¼ ´©Ãâ¿¡ °üÇÑ ½ÇÇ迬±¸¸¦ ¹ß°ÅµÈ Ä¡¾Æ 167
°³¸¦ »ç¿ëÇؼ­ µ¿À§¿ø¼Ò Ca45·Î ÃßÀûÇÑ °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Àüü 167°³ Ä¡¾Æ Áß 53°³ (32%)ÀÇ ´©ÃâÀ» º¸¿´´Ù.
2. ½Ã°£ÀÌ °æ°úÇÔ¿¡ µû¶ó¼­ ¿µ±¸Ä¡¿¡¼­´Â 24½Ã°£ ÈÄ 22%°¡ 2´Þ ÈÄ 35%·Î, À¯Ä¡¿¡¼­´Â 24½Ã
°£ ÈÄ 32%°¡ 2´Þ ÈÄ 43%·Î ´©ÃâÀÌ Áõ°¡µÇ¾ú´Ù.
3. ¹ý¶ûÁú ºÎ½Ä ÀýÀÇ Àüóġ ³»¿ë¿¡ ÀÇÇϸé À¯Ä¡ ¹× ¿µ±¸Ä¡´Â fluoride·Î ó¸®ÇÑ °ÍÀÌ 50%
¿Í 33%·Î °¡Àå ´©ÃâÀÌ ¸¹¾Ò´Ù.
4. ÀüüÀûÀ¸·Î À¯Ä¡(38%)°¡ ¿µ±¸Ä¡(28%)º¸´Ù ´©ÃâÀÌ ¸¹¾Ò´Ù.
#ÃÊ·Ï#
The purpose of this study was to observe the microleakage of a pit and fissure sealant
at the tooth-restoration interface . One hundred and sixty-seven extracted permanent
and deciduous teeth were used and some simple mechanical pretreatment were done
before etching. The degree of microleakage was assessed by Ca45 after 24
hours, and 2 months. The results were as follows:
1. Among total 167 teeth, 53 teeth (32%) were demonstrated the microleakage.
2. After 2 months the leakage was increased from 22 percent to 35 percent in
permanent teeth, and from 32 percent to 43 percent in primary teeth.
3. The group treated by fluoride paste was demonstrated the largest leakage, 50 percent
in primary teeth and 33 percent in permanent teeth.
4. There are more leakage in primary teeth (38%) than permanent teeth (28%).

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