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Effect of CO©üLaser on Caries Inhibition Evaluated by Laser Fluorescence Measurement

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Abstract

¿¬±¸ÀÇ ¸ñÀûÀº ÀÌ»êȭź¼Ò ·¹ÀÌÀúÀÇ À¯Ä¡ ¹ý¶ûÁú Żȸ ¾ïÁ¦ ¹× Àç°æÈ­ È¿°ú¸¦ ·¹ÀÌÀúÇü±¤ÃøÁ¤¹ýÀ» »ç¿ëÇÏ¿© Æò°¡ÇÏ´Â °ÍÀ̾ú´Ù. »ç¶÷ À¯Ä¡ÀÇ °ÇÀü ÆòÈ°¸éÀ¸·ÎºÎÅÍ ¹ý¶ûÁú ½ÃÆíÀ» Á¦ÀÛÇÏ¿©, ÄÚÄ«ÄÝ¶ó¿¡ ´ã°¡ 24½Ã°£ Żȸ½ÃÅ°´Â ÀüÈÄ¿¡ Á¤ÃÐÁ¡ ¿¬¼ÓÆÄ ¶Ç´Â Å»ÃÐÁ¡ ÆÞ½ºÆÄ, 3W ¶Ç´Â 6W·Î 4ÃÊ°£ Á÷°æ ¾à 2mmÀÇ Á¶»çÁ¡¿¡ ÀÌ»êȭź¼Ò ·¹ÀÌÀú¸¦ Á¶»çÇÏ°í, Diagnodent ÃøÁ¤À» ÅëÇÏ¿© Żȸ¾ï°èÈ¿°ú¿Í Àç°æÈ­ È¿°ú¸¦ Æò°¡ÇÏ¿´´Ù. ŻȸµÈ ¹ý¶ûÁú¿¡ ´ëÇÑ Á¤ÃÐÁ¡ ¿¬¼ÓÆÄ ¶Ç´Â Å»ÃÐÁ¡ ÆÞ½ºÆÄ Á¶»çÀÇ Àç°æÈ­ È¿°ú´Â µÎ ±º »çÀÌ¿¡ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾úÀ¸¸ç ¸ðµÎ Żȸ Àü°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø´Â ¼öÁØÀ¸·Î °¨¼ÒÇÏ¿´´Ù. °ÇÀü ¹ý¶ûÁú¿¡ ´ëÇÑ 3W ¶Ç´Â 6W Å»ÃÐÁ¡ ÆÞ½ºÆÄ Á¶»çÀÇ Å»È¸ ¾ïÁ¦ È¿°ú¿¡¼­ 3W±ºÀº Żȸ ÈÄÀÇ ÃøÁ¤Ä¡°¡ À¯ÀÇÇÏ°Ô Áõ°¡ÇÏ¿´°í(P<0.05), 6W±ºÀº Żȸ ÈÄ À¯ÀÇÇÑ Áõ°¡°¡ ¾ø¾ú´Ù. ŻȸµÈ ¹ý¶ûÁú¿¡ ´ëÇÑ 3W ¶Ç´Â 6W Å»ÃÐÁ¡ ÆÞ½ºÆÄ Á¶»çÀÇ Àç°æÈ­ È¿°ú¿¡¼­ 3W±ºÀº ·¹ÀÌÀú Á¶»ç ÈÄ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´À¸³ª Żȸ Àüº¸´Ù À¯ÀÇÇÏ°Ô ÄÇ°í(P<0.05), 6W±ºÀº ·¹ÀÌÀú Á¶»ç ÈÄ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´°í(P<0.05) Żȸ Àü°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.05). À¯Ä¡ ¹ý¶ûÁúÀÇ »öÀº 6W·Î Żȸ ÈÄ Á¶»çÇÏ¿´À»¶§ °¥»ö ³»Áö °ËÀº»öÀ¸
·Î º¯»öµÇ¾ú°í Żȸ Àü Á¶»çÇÏ¿´À» ¶§ °¥»öÀ¸·Î º¯»öµÇ¾úÀ¸¸ç, Żȸ Àü°ú ÈÄ¿¡ 3W·Î Á¶»çÇÏ¿´À» ¶§¿¡´Â »öÀÇ º¯È­°¡ ¾ø¾ú´Ù.
The purpose of study was to evaluate the effects of the C02 laser irradiation on demineralization inhibition and rehardening of human primary tooth enamel by laser fluoresecence measurement. Enamel specimens were made from the human primary teeth. The center spots of the specimens about 2 mm diameter were irradiated by C02 laser at the conditions of focused continuous or defocused pulsed, 3 or 6 W, for 4 seconds, before or after the demineralization by Coca-Cola for 24 hours at 371C. The Diagnodent was used to measure the degree of demineralization and rehardening. There was no significant difference between focused continuous and defocused pulsed irradiation. 6W irradiation inhibited the demineralization but 3W did not. 6W irradiation rehardened the demineralized enamel but 3W did partially. The color of enamel was changed to brown to black after 6W irradiation but 3W caused no color change. C02 laser irradiation showed the effects on demineralization inhibition and rehardening of human priamary tooth enamel, and the laser fluoresecence measurement technique seemed to be a valid evaluation method.

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ÀÌ»êȭź¼Ò ·¹ÀÌÀú;À¯Ä¡;Żȸ;Àç°æÈ­;Çü±¤;CO©ülaser;Primary teeth;Demineralization;Rehardening;Fluorescence

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