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STUDY ON THE PRIMARY TOOTH ENAMEL EROSION CAUSED BY CHILDREN BEVERAGE

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½ÅÀ±Çý, ±è¿µÀç,
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½ÅÀ±Çý ( Shin Yun-Hye ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× Ä¡Çבּ¸¼Ò
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× Ä¡Çבּ¸¼Ò

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ½ÃÁß ¾î¸°ÀÌ À½·áÀÇ »ê¼ºµµ¸¦ Á¶»çÇÏ°í, ¼ö Á¾ ¾î¸°ÀÌ À½·á¿¡ ÀÇÇÑ À¯Ä¡ ¹ý¶ûÁú ħ½ÄÁ¤µµ¸¦ ½ÇÇèÀûÀ¸·Î Æò°¡ÇÏ´Â °ÍÀ̾ú´Ù. ¼­¿ï ½Ã³» ¹× °æ±âµµ Áö¿ª¿¡¼­ ÆǸżøÀ§°¡ ºñ±³Àû ³ôÀº ¼ö Á¾ÀÇ ¾î¸°ÀÌ À½·á¸¦ Ç¥ÁýÇÏ¿© pH¸¦ ÃøÁ¤ÇÏ°í, ±× Áß¿¡¼­µµ pH 3.5 ÀÌÇÏÀÇ ¾î¸°ÀÌ À½·á 7°³¸¦ ¼±º°ÇÏ¿´´Ù. Å»¶ô±âÀÇ °ÇÀüÇÑ ¹ý¶ûÁú Ç¥¸éÀ» °¡Áø À¯Ä¡¸¦, ¾î¸°ÀÌ À½·á¿¡ 1ºÐ, 5 ºÐ, 10 ºÐ, 15 ºÐ, 30 ºÐ µ¿¾È ³ëÃâ½ÃÄÑ ÀΰøÀûÀ¸·Î ¹ý¶ûÁú ħ½ÄÀ» À¯µµÇÏ¿´À» ¶§ ³ªÅ¸³ª´Â ¾ç»óÀ» Ç¥¸é¹Ì¼¼°æµµÃøÁ¤¹ýÀ¸·Î ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù. 1. º» ¿¬±¸¿¡¼­ Á¶»çÇÑ ½ÃÁß ¾î¸°ÀÌ À½·áÀÇ ´ëºÎºÐÀº Ä¡¾Æ ħ½ÄÀ» À¯¹ßÇÒ ¼ö ÀÖ´Â »ê¼ºµµÀÎ pH 5.5 ÀÌÇÏÀÇ »ê¼ºµµ¸¦ °®°í ÀÖ¾ú´Ù. 2. ¾î¸°ÀÌ À½·á¿¡ ´ëÇÑ ³ëÃâ ÈÄÀÇ ¹ý¶ûÁú Ç¥¸é¹Ì¼¼°æµµ´Â ´ëÁ¶±º¿¡ ºñÇØ ¸ðµç ½Ã·á¿¡¼­ ³·¾ÆÁ³´Ù(p<0.05). ³ëÃâ ÈÄ 1 ºÐÀÌ °æ°úµÇ¾úÀ» ¶§ºÎÅÍ Ç¥¸é¹Ì¼¼°æµµÀÇ À¯ÀÇÇÑ °¨¼Ò ¾ç»óÀ» º¸¿´À¸¸ç. 30 ºÐÀÌ °æ°úµÇ¾úÀ» ¶§±îÁö Ç¥¸é¹Ì¼¼°æµµÀÇ °¨¼Ò°¡ °è¼Ó °üÂûµÇ¾ú´Ù(p<0.05). 3. À½·áÀÇ »ê¼ºµµ°¡ ³ôÀ»¼ö·Ï, ½ÃÆíÀ» 30 ºÐ°£ ³ëÃâ½ÃÄ×À» ¶§ÀÇ Ç¥¸é¹Ì¼¼°æµµ°¡ À¯ÀÇÇÏ°Ô °¨¼ÒÇß´Ù(p<0.05). ±×·¯³ª À½·áÀÇ »ê¼ºµµ¿Í Ç¥¸é¹Ì¼¼°æµµÀÇ °¨¼ÒÁ¤µµ »çÀÌ¿¡ À¯ÀÇÇÑ ºñ·Ê°ü°è´Â ãÀ» ¼ö ¾ø¾ú´Ù(p>0.05).

The purpose of this study is to examine the acidity of beverages that are sold for children in the market and to estimate by experiment the degree of the enamel erosion of deciduous teeth that is attributed to the beverages. The pH value of children beverages among top sale list in Seoul and Gyeonggi province were measured. And 7 beverages with the pH value of 3.5 or lower were selected. The enamel erosion of deciduous teeth by the children beverages for 1, 5, 10, and 30 minutes respectively was examined. The results were as follows: 1. The acidity of most of the children beverages examined in this study was the pH level of 5.5 or lower that can cause the tooth erosion. 2. The microhardness value of the enamel of deciduous teeth was lower as exposing it to children beverages. The reduction of surface microhardness value was significant from 1 minute after the exposure, and the reduction was continuously observed until 30 minutes has passed. 3. The higher the acidity of beverages, the larger the reduction in microhardness value caused after the exposure of 30 minutes to the beverages. There was no significant relation between the acidity of beverages and the reduction rate of surface microhardness value. The other factors such as calcium, phosphorus, and fluorine or buffering of the beverages may affect the enamel erosion.

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Enamel erosion;Primary tooth;Children beverage;Acidity;Surface microhardness

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