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EFFECT OF TIME ELAPSED FROM APPLICATION TO CURING ON THE PENETRATION OF SEALANT

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ÀÌâ¼· ( Lee Chang-Seep ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈ£ ( Lee Sang-Ho ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À̳­¿µ ( Lee Nan-Young ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

Ä¡¸é¿­±¸Àü»öÁ¦ µµÆ÷ ÈÄ ½Ã°£¿¡ µû¸¥ ¿­±¸ ³» ħÅõÀ²À» ¾Ë¾Æº¸°íÀÚ ¹ßÄ¡µÈ ¼Ò±¸Ä¡ 192°³¸¦ ÀÌ¿ëÇÏ¿© Àü»öÁ¦ µµÆ÷ ÈÄ ±¤ÁßÇÕ ÇÒ ¶§±îÁö °æ°ú½Ã°£ 3ÃÊ, 5ÃÊ, 10ÃÊ, 20Ãʺ°·Î ħÅõÀ²À» ºñ±³ ºÐ¼®ÇÏ¿´´Ù. ¿©±â¿¡ Ãß°¡ÀûÀ¸·Î »ó¾Ç°ú ÇϾÇ, filled sealant¿Í unfilled sealant±ºÀ¸·Î ³ª´©¾î ½Ã°£´ëº°·Î ħÅõÀ²¿¡ Â÷ÀÌ°¡ ÀÖ´ÂÁöµµ ºñ±³ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú ½Ã°£ÀÌ °æ°úÇÒ¼ö·Ï, filled sealant±ºº¸´Ù unfilled sealant±º¿¡¼­, »ó¾Çº¸´Ù´Â ÇϾǿ¡¼­ Àü»öÁ¦ÀÇ Ä§ÅõÀ²ÀÌ Áõ°¡ÇÏ¿´´Ù. ÀÌ»óÀÇ °á°ú¿¡¼­ ÀÓ»ó¿¡¼­ Ä¡¸é¿­±¸Àü»öÀ» ½ÃÇàÇÒ ¶§ ÀÌ °á°ú¸¦ ÀÓ»óÀû ÁöħÀ¸·Î Àû¿ëÇϸé À¯¿ëÇϸ®¶ó°í ¿©°ÜÁø´Ù.

Occlusal fissures and pits are ideal places for the development of caries. Pit and fissure sealants are now considered as a very effective means to prevent dental caries.

The purpose of this investigation was to examine the effect on the sealant penetration of the elapse of time from the application of sealant until exposure to visible light, and to examine the effect of the filler content and tooth position on the sealant penetration. 192 extracted human premolars were used to this experiment. Following enamel conditioning, a light-polymerized sealant was applied and 4 different periods of time(3, 5, 10, 20 seconds) were allowed until exposure to the light source.

The results obtained were as follows:

1. According to time, in both unfilled sealant and filled sealant penetration increases deeply through mindfulness.

2. Sealant that apply to mandiblar premolar penetrated deeply through than to maxillay teeth.

3. Penetration difference according to filler content, unfilled sealant penetrated deeply through than filled sealant.

The result from this study indicated that unfilled sealant penetrated most deeply in mandible when at least 20s time elapsed.

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Pit and fissure sealant;Sealant penatration;Image analysis program

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