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A STUDY ON THE ENAMEL EROSION CAUSED BY ORANGE JUICES

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ÀÌâÀ± ( Lee Chang-Yun ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è½Å ( Kim Shin ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Á¤Å¼º ( Jeong Tae-Sung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÃÖ±Ù µé¾î »ê¼º À½·áÀÇ ¼Òºñ±ÞÁõ°ú ÇÔ²², Ä¡¾Æ °æÁ¶Á÷ÀÇ ¼Õ»óÀ» ÃÊ·¡ÇÏ´Â ¾ç´ë ÁúȯÀÇ ÇϳªÀÎ Ä¡¾Æħ½ÄÁõ¿¡ ´ëÇØ °ü½ÉÀÌ ³ô¾ÆÁö°í ÀÖ´Ù. ƯÈ÷ ÀÌ·¯ÇÑ À½·áÀÇ ÁÖ ¼ÒºñÃþÀÌ ¼Ò¾Æû¼Ò³âÀ̶ó´Â Á¡¿¡¼­ Ä¡¾Æ°æÁ¶Á÷ ¼Õ½ÇÀÇ ¿ì·Á´Â ´õ Ä¿Áø´Ù. º» ¿¬±¸´Â ¿À·»Áö Á꽺¿¡ ÀÇÇÑ ¹ý¶ûÁúÀÇ Ä§½Ä È¿°ú¸¦ ºÐ¼®ÇÒ ¸ñÀûÀ¸·Î ÇöÀç ½ÃÆǵǴ ¿À·»Áö Á꽺 Á¦Ç° Áß ¼±È£µµ°¡ ³ôÀº 4Á¾À» ¼±ÅÃÇÏ¿© »êµµ, ¿ÏÃæÈ¿°ú ¹× ÀϺΠ¹«±â¼ººÐ ³óµµ¸¦ ºÐ¼®ÇÏ°í ÀÌ¿¡ ÀÇÇÑ ¹ý¶ûÁú ħ½Ä Á¤µµ¸¦ Ç¥¸é¹Ì¼¼°æµµ º¯È­·Î °£Á¢ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.

1. 4Á¾ÀÇ ¿À·»Áö Á꽺 ½Ã·áÀÇ Æò±Õ »êµµ´Â pH 4.0 À¸·Î¼­ Ä¡¾Æ ħ½ÄÁõÀ» À¯¹ßÇϱ⿡ ÃæºÐÇÑ ¼öÁØÀ̾úÀ¸¸ç, ½ÇÁ¦·Î ¸ðµç ½Ã·á¿¡ ÀÇÇØ ¹ý¶ûÁú ħ½ÄÀÌ À¯¹ßµÇ¾ú´Ù(p£¼0.05).

2. ¹ý¶ûÁúÀÇ Ä§½ÄÀº ºñ±³Àû ´Ü½Ã°£(10ºÐ)¾È¿¡ À¯ÀÇÇÑ ¼öÁØÀ¸·Î ÀϾ´Ù. ¿À·»Áö Á꽺¿¡ 10ºÐ°£ ´ã±Ù ÈÄÀÇ ¹ý¶ûÁú ¹Ì¼¼°æµµ´Â ´ã±×±â Àü¿¡ ºñÇØ, µ¨¸óÆ® 92.8%, ½ãÅ°½ºÆ® 92.7%, ¾Æħ¿¡ Á꽺 90.1%, ½ã¾÷ 88.8% À̾ú´Ù.

3. °¢ ¿À·»Áö Á꽺 Á¦Ç° °£ÀÇ Ä§½ÄÀ¯¹ß Á¤µµ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(p£¾0.05).

Acidic drink has been known as a cause of tooth erosion. The purpose of this study is to verify the acid levels of orange juices in market and evaluate the erosion effects on the enamel of deciduous teeth by orange juices in relatively short period of time.

With four kinds of orange juice selected from market, pH, buffering capacity and concentration of Ca and P ion were measured. And forty segments of normal enamel of deciduous incisors were divided into four groups and level of erosion was measured by surface hardness test before and after soaking at 50 ml of orange juice for 10 minutes.

The results of this study showed that the average pH of orange juices was 4.0 and this pH value was so acidic as to cause the tooth erosion. There were differences in small quantity for each group of teeth. however, the result was statistically so significant that orange juices can cause enamel erosion in relatively short period of time.

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Ä¡¾Æ ħ½Ä;¿À·»Áö Á꽺;»êµµ;¿ÏÃæÈ¿°ú;¹«±âÀÌ¿Â
Dental erosion;Orange juice;pH;Buffer effect;Inorganic ions

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