October 22, 1999 / 48(41);933-940

°øÁߺ¸°Ç ¾÷Àûµé, 1990-1999 : ÃæÄ¡¸¦ ¸·±âÀ§ÇÑ ¼öµ¾¹° ºÒ¼ÒÈ­

Achievements in Public Health, 1900-1999: Fluoridation of Drinking Water to Prevent Dental Caries

 

¸¶½Ã´Â ¹°¿¡ ºÒ¼Ò¸¦ ÷°¡ÇÏ´Â °Í (ÀÌÇÏ °£·«ÇÏ°Ô ¼öµ¾¹° ºÒ¼ÒÈ­¶ó ĪÇÔ)Àº 20¼¼±â ÈĹݱ⿡ ÃæÄ¡ ¹ß»ýÀ» ÁÙ¿©ÁØ °¡Àå Áß¿äÇÑ ¿äÀÎÀÌ´Ù. ¼öµ¾¹° ºÒ¼ÒÈ­ÀÇ ¿ª»ç´Â ÀÓ»óÀûÀÎ °üÂû¿¡¼­ ¿ªÇÐÁ¶»ç·Î À̾îÁö°í À̰ÍÀÌ ±× »çȸÀÇ °øÁߺ¸°Ç¿¡ Âü¿©ÇÏ°Ô µÇ´Â °¡Àå °íÀüÀûÀÎ »ç·ÊÀÌ´Ù. ºñ·Ï ºÒ¼Ò¸¦ ÇÔÀ¯Çϰí ÀÖ´Â ´Ù¸¥ Á¦Ç°µéÀÌ »ç¿ë°¡´ÉÇÏÁö¸¸ ¼öµ¾¹° ºÒ¼ÒÈ­¸¸Å­ ÇÑ Áö¿ªÀÇ °ÅÀÇ ¸ðµç »ç¶÷µé ƯÈ÷ ±×µéÀÇ ³ªÀÌ, ±³À°·Â, °æÁ¦ÀûÀÎ ¼öÀÔ¿¡ »ó°ü¾øÀÌ ºÒ¼Ò¸¦ ÀÌ¿ëÇÏ°Ô ÇÏ´Â È¿°úÀûÀÌ°í ½¬¿î ¹æ¹ýÀº ¾ø´Ù.

Dental Caries (ÃæÄ¡)

ÃæÄ¡´Â °¨¿°¼ºÀ̰í, Àü¿°ÀÌ °¡´ÉÇϰí, ¿©·¯ °¡Áö ¿øÀο¡ ÀÇÇØ¼­ »ý±â´Â º´À¸·Î ¹ÚÅ׸®¾Æ°¡ Ä¡¾ÆÀÇ ¿¡³ª¸áÃþÀ» ³ì¿©¼­ ¹ß»ýÇÑ´Ù. ¹ÚÅ׸®¾Æ´Â Á¦°ÅµÇÁö ¾Ê´Â´Ù¸é, °è¼Ó ¶Õ°í µé¾î°¡ ±× ¾Æ·¡ÀÇ dentin (»ó¾ÆÁú)¿¡ µµ´ÞÇÏ°Ô µÇ°í °è¼Ó ÁøÇàµÇ¸é ¿¬ÇÑ ÆîÇÁÁ¶Á÷¿¡ µµ´ÞÇÑ´Ù. ÃæÄ¡´Â Ä¡¾Æ¸¦ ÀÒ¾î ¹ö¸®°í ¸Å¿ì ºÒÆíÇÔÀ» ÃÊ·¡ÇÑ´Ù. Ä¡·áµÇÁö ¾ÊÀº ÃæÄ¡µéÀº ¾Æ¹«°Íµµ ÇÏÁö ¸øÇÏ°Ô ÇÏ´Â ÅëÁõÀ» À¯¹ßÇϸç, ¹ÚÅ׸®¾ÆÀÇ °¨¿°Àº ÆÞÇÁÁ¶Á÷ÀÇ ±«»ç, Ä¡¾Æ°¡ ºüÁö°í ±â´ÉÀ» ÀÒ°Ô ÇÏ¸ç ±Þ¼ºÀ¸·Î ½ÅüÀÇ °¨¿°À¸·Î ÁøÇàÇÒ ¼ö ÀÖ´Ù. ÃæÄ¡¸¦ ÀÏÀ¸Å°´Â ¿øÀÎÀº Ä¡¾ÆÀÇ ÇöóÅ©ÀÇ Æ¯Á¤ÇÑ ¹ÚÅ׸®¾Æ (ƯÈ÷ Streptococcus mutans and lactobacilli)°¡ Ä¡¾ÆÀÇ °¨¿°ÀÌ ½¬¿î Ç¥¸é¿¡ Á¸ÀçÇϰí ÀÌ·± ¹ÚÅ׸®¾Æ°¡ ¹ßÈ¿(fermentable)ÇÒ Åº¼öÈ­¹° ¶§¹®ÀÔ´Ï´Ù.

20¼¼±â ÃÊ¿¡´Â ¹Ì±¹°ú ´ëºÎºÐÀÇ ¼±Áø±¹¿¡¼­´Â ½ÉÇÑ ÃæÄ¡´Â ¸Å¿ì ÈçÇß´Ù. ÀÌ·¯ÇÑ Áúº´À» ¸·À» È¿°úÀûÀÎ Á¶Ä¡ (measure)°¡ ÀüÇô ¾ø¾ú°í °¡Àå ÈçÇÏ°Ô ÇàÇÏ´Â Ä¡·á´Â ÃæÄ¡¸¦ »Ì´Â °ÍÀ̾ú´Ù. ÃÖ¼ÒÇÑ 6°³ÀÇ Ä¡¾Æ°¡ ¼­·Î ¾Æ·¡À§ ¦ÀÌ ¸Â¾Æ¾ß ÇÑ´Ù´Â ±ÔÁ¤Àº 1,2Â÷ ´ëÀü¿¡ ±ºÀÎÀ¸·Î º¹¹«¸¦ ¿øÇÒ ¶§ °¡Àå Å« °á°Ý »çÀ¯·Î ÀÛ¿ëÇß´Ù. ¼±±¸ÀÚÀûÀÎ ±¸°­ ¿ªÇבּ¸ÀÚµéÀº ÃæÄ¡°¡ Á¸ÀçÇÑ´Ù´Â °Í ÀÚü¸¸À¸·Î´Â ¹Ì±¹ÀÇ °ÅÀÇ ´ëºÎºÐÀÇ »ç¶÷µéÀÌ ÃæÄ¡¸¦°¡Áö°í Àֱ⠶§¹®¿¡ ¿ªÇÐÁ¶»ç¸¦ Çϱ⿡ µµ¿òÀÌ µÇÁö ¾ÊÀ¸¹Ç·Î ÃæÄ¡¸¦ decayed, missing, filled teeth (DMFT) ȤÀº decayed, mission, filled teeth surface ·Î ³ª´©¾î¼­ Á¤¸®ÇÏ¿´´Ù. DMFT index¸¦ ÀÌ¿ëÇÑ ¹Ì±¹ Àü¿ª¿¡ °ÉÄ£ ¿ªÇÐÁ¶»ç´Â 1930³â°ú 1940³â´ë¿¡ Á¤·®ÀûÀ¸·Î ºÐ¸íÇÏ°Ô Áö¿ª¸¶´Ù ºÐ¸íÇÏ°Ô Â÷À̰¡ ÀÖ´Ù´Â °ÍÀ» º¸¿©ÁÖ¾ú´Ù. ÀÌ ¹æ¹ýÀº Ä¡·áÁ¦ÀÇ È®Àΰú È¿°ú¸¦ È®ÀÎÇϴµ¥ Áß¿äÇÑ °ÍÀ¸·Î Áõ¸íµÇ¾ú´Ù.

History of Water Fluoridation

1901³â ÄݷζóµµÁÖÀÇ Äݷζó´Ù ½ºÇÁ¸µ½º¿¡ Ä¡°ú¸¦ °³¾÷ÇÑ Á÷ÈÄ Dr. Frederick S. McKay´Â ƯÀÌÇÏ°Ô ÀÚ½ÅÀÇ È¯ÀÚÁß¿¡´Â ¸¹Àº »ç¶÷ÀÌ Ä¡¾Æ¿¡ ¿µ±¸ÀûÀÎ »ö±òÀÌ Àְųª ȤÀº "¿¡³ª¸á¿¡ ¹ÝÁ¡ÀÌ »ý±ä °Í(ÀÌÇÏ ¹ÝÁ¡Ä¡¶ó ÇÔ)"À» ¾Ë¾Ò´Ù(6).  ±× Áö¿ª »ç¶÷µéÀº À̰ÍÀ» "Colorado brown stain"À̶ó°í ºÒ·¶´Ù. ±×°¡ ¸î ³â°£À» Á¶»çÇÑ °á°ú ¸ÆÄÉÀÌ´Â Áֹο¡°Ô °ø±ÞµÇ´Â ¹°ÀÌ ¹ÝÁ¡Ä¡¸¦ ÀÏÀ¸Å²´Ù°í °á·ÐÀ» ³»·È´Ù. ¸ÆÄÉÀÌ´Â ÀÌ·¯ÇÑ Çö»óÀ» º¸ÀÌ´Â Ä¡¾Æ°¡ ÃæÄ¡¿¡ ´ú ¹Î°¨ÇÑ °ÍÀ¸·Î º¸ÀÌ´Â °Í °°´Ù°í °üÂûÇß´Ù(7).

¾ËÄ­¼ÒÁÖÀÇ BauxiteÀÇ Ä¡°úÀÌ»çÀÎ Dr. F. L. RobertsonÀº ±× Áö¿ª¿¡ ¹°À» °ø±ÞÇϱâ À§Çؼ­ ±íÀº ¿ì¹°À» ÆÇ 1909³â ÀÌÈÄ·Î ¾î¸°ÀÌµé »çÀÌ¿¡ ¹ÝÁ¡Ä¡°¡ Á¸ÀçÇÏ°Ô µÈ °ÍÀ» ÁöÀûÇß´Ù. ¹°¼ÓÀÇ ¾î¶² ¼ººÐÀÌ ¹ÝÁ¡Ä¡¸¦ ÀÏÀ¸Å²´Ù´Â °¡Á¤Àº °á±¹ Áö¿ª °ø¹«¿øµéÀÌ 1927³â¿¡ ±× ¿ì¹°À» Æ÷±âÇϵµ·Ï ¸¸µé¾ú´Ù. 1930³â´ë¿¡ Aluminum Company of America ¶ó´Â ¾Ë·ç¹Ì´½ Á¦Á¶ ȸ»ç´Â ±× Áö¿ª¿¡ ¾Ë·ç¹Ì´½ÀÇ ¿ø·á°¡ µÇ´Â bauxite(º¸Å©»çÀÌÆ®)ÀÇ ±¤»êÀ» °¡Áö°í ÀÖ¾ú´Âµ¥ ±×ȸ»çÀÇ È­ÇÐÀÚÀÎ H.V. ChurchillÀº »õ·Î°³¹ßµÈ ±× ¹ö·ÁÁø ¿ì¹°¿¡¼­ spectrographic analysis À¸·Î ±× ¿ì¹°¹°¿¡ ºÒ¼Ò°¡ °í³óµµ(13.7 ppm)·Î Á¸ÀçÇÏ´Â °ÍÀ» ¹àÇû½À´Ï´Ù. ºÒ¼ÒÀ̿ (ºÒ¼Ò¿ø¼ÒÀÇ ÀÌ¿ÂÇüÅÂ)Àº Åä¾ç°ú ¹°¿¡ ÈçÇÏ°Ô Á¸ÀçÇÏ´Â °ÍÀÌÁö¸¸ ´ëºÎºÐÀÇ °æ¿ì¿¡ ¸Å¿ì ³·Àº ³óµµ (1.0 ppm ÀÌÇÏ)·Î Á¸ÀçÇÑ´Ù. »õ·Î¿î ºÐ¼®¹æ¹ý¿¡ ´ëÇÑ À̾߱⸦ µéÀº ¸ßÄÉÀÌ´Â ¹ÝÁ¡Ä¡°¡ ³ªÅ¸³ª´Â Áö¿ªÀÇ ¹° »ùÇÃÀ» óĥ¿¡°Ô º¸³»¼­ ºÐ¼®À» ÀÇ·ÚÇß´Ù.  ÀÌµé »ùÇõéÀº ¸Å¿ì ³ôÀº ºÒ¼ÒÀ̿ ³óµµ (2.0 - 12.0 ppm)À» º¸À̰í ÀÖ¾ú´Ù.

¹ÝÁ¡Ä¡¿¡ ´ëÇÑ ¿øÀι°ÁúÀÌ ¹ß°ßµÇÀÚ 1931³â ¹Ì±¹ º¸°Ç¿¬±¸¼Ò (NIH)¿¡ Dental Hygiene UnitÀÌ ¸¸µé¾îÁö°í Dr. H. Trendley DeanÀÌ Ã¥ÀÓÀ» ¸Ã°Ô µÇ¾ú´Ù. DeanÀÇ °¡Àå ±âº»ÀûÀΠåÀÓÀº °ú¿¬ ºÒ¼ÒÀ̿°ú ¹ÝÁ¡Ä¡¿ÍÀÇ °ü°è¿¡ ´ëÇÑ °ÍÀ̾ú´Ù. mottled enamelÀ̶ó´Â ¸»Àº fluorosis·Î ´ëüµÇ¾ú°í, DeanÀÇ ±¤´ëÇÑ ¿ªÇаüÂûÁ¶»ç¸¦ 1942³â±îÁö ½Ç½ÃÇß´Ù. ±×´Â dental fluorosis¸¦ Á»´õ ¿©·¯ ´Ü°è·Î ±¸ºÐÇÏ¿© Á¤¸®Çߴµ¥ Very mile fluorosis´Â ÀÛ°í »Ñ¿¬ "Á¾ÀÌó·³ Èò»ö"ÀÇ ¹ÝÁ¡ÀÌ Ä¡¾Æ ÀüüÀÇ 25% À̳», Mild fluorosis´Â 26-50%, Moderate dental fluorosis´Â Ä¡¾ÆÀüü°¡ ¹ÝÁ¡ÀÌ »ý±ä °ÍÀÌ¸ç °¥»öÀÇ Á¡µéÀÌ ¸ðÀÌ´Â ´Ü°èÀ̰í Severe Fluorosis´Â ¿¡³ª¸áÃþ¿¡ ±¸¸ÛÀÌ »ý±â°í °¥»öÀ¸·Î º¯ÇÏ°Ô µÇ°í Á¶±Ý¾¿ ºÎ½ÄÀÌ µÇ´Â ´Ü°è·Î Á¤Çß´Ù.

DeanÀº ¹ÝÁ¡Ä¡¿¡ ´ëÇÑ ÀڷḦ, ´Ù¸¥ ¿¬±¸Àڵ鿡 ÀÇÇØ¼­ ¾î¸°À̵éÀÇ ÃæÄ¡¿¡ ´ëÇØ¼­ 26°³ÁÖ¿¡¼­ Á¶»çÇÑ(DMFT·Î ÃøÁ¤) ÀÚ·á¿Í ºñ±³ÇÏ¿© º¸¾ÒÀ¸¸ç ÃæÄ¡¿Í ¹ÝÁ¡Ä¡´Â ¶Ñ·ÇÇÏ°Ô ¹Ý´ëÀÇ °æÇâÀ» º¸À̰í ÀÖ¾ú´Ù(10) ÀÌ·¯ÇÑ »ó°ü°ü°è´Â Äݷζóµµ,Àϸ®³ëÀÌÁî, ÀÎµð¾Æ³ª, ¿ÀÇÏÀÌ¿ÀÀÇ 21°³ ½Ã¿¡¼­ ¿¬±¸ÇÔÀ¸·Î½á ÀçÈ®ÀεǾú´Ù(11). ÃæÄ¡´Â ±× Áö¿ªÀÇ ¹°ÀÌ ºÒ¼Ò°¡ ¸¹ÀÌ °ø±ÞµÇ´Â Áö¿ªÀϼö·Ï ÁÙ¾îµé¾úÀ¸¸ç 1.0 ppm ÀÌ»óÀÇ Áö¿ª¿¡¼­ºÎÅÍ ÀÌ·¯ÇÑ È¿°ú°¡ ³ªÅ¸³ª±â ½ÃÀÛÇß´Ù. 1.0 ppmÀÇ ³óµµ¿¡¼­´Â ¹ÝÁ¡Ä¡ÀÇ ¼ýÀÚ´Â ³·¾Ò°í ´ëºÎºÐÀÌ very mild ÇÏ¿´´Ù.

ÃæÄ¡°¡ À½¿ë¼öÀÇ ºÒ¼ÒÀÇ ³óµµ¸¦ °ÅÀÇ ¼öÁØ¿¡¼­ 1.0 - 1.2 ppm Á¤µµ·Î Á¶ÀýÇÏ¹Ç·Î½á ¸·À» ¼ö ÀÖ´Ù´Â °¡¼³Àº ½ÇÁ¦ 4½Ö(ºÒ¼ÒÈ­ ¹× ¾ÈÇÑ µµ½Ã)ÀÇ µµ½Ã¸¦ ±âÁØÀ¸·Î ÇØ¼­ 1945³âºÎÅÍ Å×½ºÆ® µÇ¾ú½À´Ï´Ù. (Grand Rapids and Muskegon, Michigan; Newburgh and Kingston, New York; Evanston and Oak Park, Illinois; and Brantford and Sarnia, Ontario, Canada.)

ÀÌÈÄ¿¡ 13-15³âÀÌ ³Ñ°Ô ÀÌ Áö¿ªÀÇ Á¶»ç¸¦ ÇÑ °á°ú ºÒ¼ÒÈ­¸¦ ÇÑ Áö¿ªÀÇ ¾î¸°À̵éÀÇ ÃæÄ¡°¡ 50-70% ÁÙ¾îµé¾ú½À´Ï´Ù(12). ºÒ¼ÒÈ­ Áö¿ªÀÇ ¹ÝÁ¡Ä¡´Â ÀÚ¿¬ÀûÀ¸·Î 1 ppmÀÇ ¹°À» ¸¶½Ã´Â Áö¿ª°ú Â÷À̰¡ ¾ø¾ú½À´Ï´Ù. ¶ÇÇÑ ¹°ÀÇ ¼Òºñ·®¿¡ µû¸¥ ºÒ¼ÒÀÇ ³óµµ¿¡ ´ëÇÑ ¿ªÇÐÁ¶»ç´Â °¢±â ´Ù¸¥ ±âÈÄÁ¶°Ç°ú Áö¸®ÀûÀÎ ¿ä°ÇÀ» °®Ãá Áö¿ª¿¡¼­ 1962³âºÎÅÍ ½Ç½ÃÇßÀ¸¸ç, ¿©±â¼­ ºÒ¼ÒÀÇ ³óµµ´Â 0.7 - 1.2 ppmÀÌ Àû´çÇÑ °ÍÀ¸·Î ¾Ë·ÁÁ³½À´Ï´Ù. ³¯¾¾°¡ ´õ¿î Áö¿ª¿¡¼­´Â ¹°ÀÇ ¼Òºñ°¡ ¸¹¾ÆÁö±â ¶§¹®¿¡ ºÒ¼ÒÀÇ ÇÔ·®Àº ³·Àº °ÍÀÌ ÁÁ°í Ãß¿î Áö¿ªÀÇ ºÒ¼ÒÀÇ ÇÔ·®Àº ³ô°Ô ±ÇÀåµÇ°í ÀÖ½À´Ï´Ù(13)

¼öµ¾¹° ºÒ¼ÒÈ­°¡ ÃæÄ¡¸¦ ¸·¾ÆÁشٴ °ÍÀº ¹Ì±¹ Àü¿ªÀÇ µµ½Ã¿¡ °øÁߺ¸°Ç Á¶Ä¡·Î ºü¸£°Ô Àû¿ëµÇ¾ú½À´Ï´Ù. °á°úÀûÀ¸·Î 20¤Ä±â ÈĹݿ¡ ÃæÄ¡ÀÇ ¹ß»ýÀº ±Þ°ÝÇÏ°Ô °¨¼ÒÇÏ°Ô µÇ¾ú½À´Ï´Ù. ¿¹¸¦µé¸é 12¼¼ÀÇ DMFT Æò±ÕÀº 1966-1970³â 4.0¿¡¼­ 1988-1994³â 1.3À¸·Î 68%³ª °¨¼Ò¸¦ ÇÏ¿´½À´Ï´Ù(CDC, unpublished data, 1999) ÀÌ¿¡ The American Dental Association, the American Medical Association, the World Health Organization°ú ´Ù¸¥ Àü¹®ÀûÀÌ°í °úÇÐÀûÀÎ ±â°ü¿¡¼­ ¼Òµ¾¹° ºÒ¼ÒÈ­¿¡ ´ëÇØ¼­ÁöÁö¸¦ Ç¥¸íÇß½À´Ï´Ù. ¼öµ¾¹° ºÒ¼ÒÈ­¿¡ ´ëÇÑ ÀÕÁ¡¿¡ ´ëÇÑ Áö½ÄÀº ºÒ¼Ò¸¦ »ç¿ëÇÏ°Ô ÇÏ´Â ´Ù¸¥ ¹æ½Ä ¿¹¸¦µé¾î Ä¡¾à, °Ö, °¡±Û, ¾Ë¾à, ¹°¾àµîÀ» °³¹ß½ÃÄ×½À´Ï´Ù. À¯·´°ú ¶óƾ ¾Æ¸Þ¸®Ä«¿¡¼­´Â ¸î¸î ±¹°¡µéÀÌ table salt ¿¡ ºÒ¼Ò¸¦ ÷°¡Çϰí ÀÖ½À´Ï´Ù.

 

Effectiveness of Water Fluoridation

ºÒ¼ÒÈ­µÈ Áö¿ª¿¡¼­ »ì°í ÀÖ´Â »ç¶÷µéÀÇ È¿°ú´Â Ãʱ⿡´Â 50% - 70%·Î º¸°íµÇ¾ú½À´Ï´Ù. ±×·¯³ª 1980³â´ë Æò±Õ DMFS´Â ºÒ¼ÒÈ­ Áö¿ªÀÇ ¾î¸°ÀÌ´Â ºñ ºÒ¼ÒÈ­ Áö¿ªÀÇ ¾î¸°ÀÌ¿¡ ºñÇØ¼­ 18% Á¤µµ ³·À» »ÓÀÔ´Ï´Ù(15). 1979³â-1989³â ºÒ¼ÒÈ­¿¡ ´ëÇÑ È¿°ú¸¦ Á¶»çÇÑ °á°ú¿¡ ÀÇÇϸé ÀþÀº »ç¶÷ÀÇ °æ¿ì ÃæÄ¡°¡ 8-37% °¨¼Ò (Æò±Õ 26.%) Çß´Ù°í º¸°íÇϰí ÀÖ½À´Ï´Ù(16).

ºÒ¼ÒÈ­¸¦ ½ÃÀÛÇÑ Ãʱ⿣ ÃæÄ¡´Â ºÒ¼ÒÈ­ Áö¿ª»Ó¸¸ ¾Æ´Ï¶ó ºñºÒ¼ÒÈ­Áö¿ª¿¡¼­ °°ÀÌ °¨¼ÒÇϴµ¥ À̰ÍÀº À½½ÄÀ̳ª À½·á¼ö¿¡ ºÒ¼Ò°¡ Æ÷ÇÔµÈ ¹°À» ÀÌ¿ëÇØ¼­ ¸¸µé¾îÁ®¼­ ºÒ¼ÒÈ­°¡ µÇÁö ¾ÊÀº Áö¿ªÀ¸·Î ÆÇ¸ÅµÈ °Í°ú ºÒ¼Ò°¡ ÇÔÀ¯µÈ Ä¡¾àµîÀÌ ³Î¸® »ç¿ëµÇ¾ú±â ¶§¹®ÀÌ´Ù(17). ºÒ¼ÒÄ¡¾àÀº ÃæÄ¡¸¦ ¸·´Â È¿°úÀûÀÎ ¹æ¹ýÀÌ´Ù. ±×·¯³ª ±× È¿°ú´Â »ç¿ëÇÏ´Â »ç¶÷µéÀÌ ¾ó¸¶³ª ÀÚÁÖ »ç¿ëÇϴ°¡¿Í ºÎ¸ðÀÇ °ü½É¿¡ ´Þ·ÁÀÖ´Ù. À̿ʹ ¹Ý´ë·Î ¼öµ¾¹° ºÒ¼ÒÈ­´Â ±× Áö¿ª»çȸÀÇ ¸ðµç Áֹο¡°Ô ÆÛÁö°Ô µÇ°í ±× »ç¶÷ÀÇ ½À°ü¿¡ ¿µÇâÀ» ¹ÞÁöµµ ¾Ê´Â´Ù.

ºñ·Ï ÃʱâÀÇ ¿¬±¸µéÀÌ ¾î¸°À̸¦ ´ëºÎºÐÀÌ ¾î¸°À̸¦´ë»óÀ¸·Î Çϰí ÀÖÁö¸¸ ºÒ¼ÒÈ­´Â ¾î¸¥µéÀÇ ÃæÄ¡¸¦ ¸·´Âµ¥µµ È¿°úÀûÀÌ´Ù. ºÒ¼ÒÈ­´Â ¿¡³ª¸áÃæÄ¡¸¦ 20-40% ¸·¾ÆÁÖ¸ç(16) ƯÈ÷ ³ëÀο¡°Ô¼­ Ä¡¾ÆÀÇ »Ñ¸® Ç¥¸é ºÎºÐÀÌ ³ëÃâµÇ¾úÀ» ¶§ ¿©±â¿¡ ÃæÄ¡°¡ »ý±â´Â °ÍÀ» ¸·¾ÆÁÙ ¼ö ÀÖ´Ù.

¼öµ¾¹° ºÒ¼ÒÈ­´Â ƯÈ÷ »çȸ°æÁ¦ÀûÀ¸·Î ºó°ïÇÑ »ç¶÷ÀÌ »ì°í ÀÖ´Â Áö¿ª¿¡¼­ À¯ÀÍÇÏ´Ù(18) ¼öÀÔÀÌ ¸¹Àº »ç¶÷µéÀÌ Ä¡¾Æ Ä¡·á³ª ´Ù¸¥ ºÒ¼ÒÁ¦Ç°¿¡ ´ëÇØ¼­ °¡Áö´Â °Íº¸´Ù ¼ÒµæÀÌ ÀûÀº Áö¿ªÀÇ »ç¶÷µéÀÌ ÃæÄ¡ Ä¡·á¿¡ ÈξÀ ºÎ´ãÀ» °¡Áö°í ÀÖ´Ù. ¼öµ¾¹° ºÒ¼ÒÈ­´Â ÀÌ·¯ÇÑ º¸°ÇÀÇ ºÒ±ÕÇüÀ» °¨¼Ò½ÃÄÑÁØ´Ù.

»ý¹°ÇÐÀû ±âÀÛ (Biologic Mechanism)

ºÒ¼ÒÀÇ ÃæÄ¡ ¿¹¹æ ¼ºÁúÀº óÀ½¿¡´Â ºÒ¼Ò°¡ Ä¡¾Æ°¡ ¹ß´ÞÁß¿¡ ¿¡³ª¸áÃþ¿¡ º¯È­¸¦ Áֱ⠶§¹®À¸·Î »ý°¢Çߴµ¥ ÀÌ´Â ºÒ¼Ò¿Í ¿¡³ª¸áÃþÀÇ Ç¥¸éÀÇ º¯È­ÀÇ °ü°è¿Í Ä¡¾Æ°¡ ¹ß´ÞÇϸ鼭 ¿¡³ª¸áÃþ¿¡ °áÇÔµÈ ºÒ¼Ò°¡ Á»´õ »ê¿¡ °­ÇÑ ¹Ì³×¶öÀ̶ó´Â °Í¿¡ ±Ù°Å¸¦ µÎ¾ú´Ù. ±×·¯³ª ½ÇÇè½Ç°ú ¿ªÇÐÁ¶»ç°á°ú´Â ºÒ¼Ò´Â ºÒ¼Ò´Â ƯÈ÷ óÀ½À¸·Î Ä¡¾Æ°¡ ³ª´Â ¼ø°£¿¡ ´õ¿í È¿°úÀûÀ̶ó´Â °ÍÀ» ¾Ë °Ô µÇ¾ú°í À̰ÍÀº ƯÈ÷ ¾î¸¥°ú ¾î¸°ÀÌ¿¡°Ô ¸Å¿ì Áß¿äÇÑ °ÍÀ̾ú´Ù(1). ÀÌ ±âÀÛ¿¡´Â 1) ¹Ì³×¶öÀÌ ºüÁ®³ª°¡´Â °ÍÀ» ¸·¾ÆÁÖ°í, 2) ¹Ì³×¶öÀÌ °áÇÕÇÏ´Â °ÍÀ» µµ¿ÍÁÖ°í 3)Çöó±×¿¡ ¹ÚÅ׸®¾ÆÀÇ È°µ¿À» ¸·¾ÆÁÖ´Â °ÍÀ» Æ÷ÇÔÇϰí ÀÖ´Ù.

¿¡³ª¸á°ú dentinÀº ¹Ì³×¶ö °áÁ¤ (ƯÈ÷ Ä®½·°ú Àλ꿰)À¸·Î µÇ¾î Àִµ¥ À̰͵éÀº À¯±â ´Ü¹éÁú°ú ÁöÁú matrix¿¡ °áÇյǾî ÀÖ´Ù. Ä¡¾ÆÀÇ ¹Ì³×³¯Àº ƯÈ÷ ź¼öÈ­¹°À» ºÐÇØ(¹ßÈ¿)ÇØ¼­ »ì¾Æ°¡´Â ºÎ½Ä¼º ¹ÚÅ׸®¾Æ°¡ ³»³õÀº »ê¿¡ ÀÇÇØ¼­ ½±°Ô ³ì°Ô µÇ´Âµ¥ ¹°¿¡ Æ÷ÇÔµÈ ºÒ¼Ò´Â Ä¡¾ÆÀÇ Çöó±×¿¡ ³óÃàµÇ¾î¼­ »ê¿¡ ÀÇÇØ¼­ Ä¡¾ÆÀÇ ¹Ì³×¶öÀÌ ³ì´Â °ÍÀ» ÃæºÐÈ÷ ¸·¾ÆÁÖ°Ô µÈ´Ù.

ºÒ¼Ò´Â Ä¡¾Æ¿¡ ÈíÂøµÇ¾î ħ¼Ó¿¡ ÀÖ´Â Ä®½·À» ²ø¾î´ç±â¹Ç·Î Àç°áÁ¤È­¸¦ ÃËÁøÇÑ´Ù. ¶ÇÇÑ ºÒ¼Ò´Â Ä®½·À̿°ú Àλ꿰ÀÌ ¼­·Î °áÇÕÇÏ°Ô µµ¿ÍÁÖ¸ç È­ÇйÝÀÀ¿¡ Âü¿©ÇÏ¿© Ä¡¾ÆÀÇ Å©¸®½ºÅ» Ç¥¸éÀÌ ¿ø·¡ÀÇ Ä¡¾ÆÀÇ ¹Ì³×¶öº¸´Ù ´õ¿í »ê¿¡ °­Çϵµ·Ï µµ¿ÍÁØ´Ù(1).

ºÒ¼ÒÈ­µÈ ¹°µî¿¡°Ô °ø±Þ¹ÞÀº ºÒ¼Ò´Â ¹ÚÅ׸®¾Æ°¡ »êÀ» ³»³õÀº µ¿¾È¿¡ ¹ÚÅ׸®¾Æ¿¡ Èí¼öµÈ´Ù. ºÒ¼Ò°¡ ¹ÚÅ׸®¾ÆÀÇ ¼¼Æ÷¾È¿¡¼­ ¹ÚÅ׸®¾ÆÀÇ È¿¼ÒÀÇ È°µ¿À» ¹æÇØÇÏ°í ³»ºÎ pH¸¦ º¯ÇÏ°Ô ÇØÁØ´Ù. ±×·¸°Ô ÇÔÀ¸·Î½á ¹ÚÅ׸®¾ÆÀÇ »êÀÇ Çü¼ºÀ» ÁÙ¿©ÁÖ°Ô µÇ¸ç À̰ÍÀº Á÷Á¢ÀûÀ¸·Î Ä¡¾ÆÀÇ ¹Ì³×¶öÀÌ ³ì´Â °ÍÀ» ÁÙ¿©ÁÖ°Ô µÈ´Ù (19).

 

¼öµ¾¹° ºÒ¼ÒÈ­¿¡ ÇýÅÃÀ» ¹Þ´Â »ç¶÷µé

1992³â ¸» 10,567 °øÁß ¼öÀÚ¿ø ½Ã½ºÅÛÀº 8573 Áö¿ª »çȸÀÇ 1¾ï 3õ 5¹é¸¸ÀÇ »ç¶÷¿¡°Ô ºÒ¼ÒÈ­ ÇýÅÃÀ» ÁÖ°í ÀÖ´Ù(20). ¾à ¹Ì±¹ÀÇ 10¸¸ÀÌ ³Ñ´Â ¸ðµç µµ½ÃÀÇ 70%°¡ ¼öµ¾¹° ºÒ¼ÒÈ­ÀÇ ÇýÅÃÀ» ¹Þ°í ÀÖ´Ù. °Ô´Ù°¡, 3784 °øÁß ¼öÀÚ¿ø ½Ã½ºÅÛÀº 1924 °³ÀÇ Áö¿ª »çȸ¿¡ ¾à 1õ¸¸ Áֹε鿡°Ô "ÀÚ¿¬Àû"À¸·Î ºÒ¼Ò°¡ 0.7 ppm ÀÌ»óÀÌ µÇ´Â À½¿ë¼ö¸¦ °ø±ÞÇϰí ÀÖ´Ù. °á±¹ ¸ðµÎ ÇÕÃļ­ 1992³â¿¡ °øÁß ¼öÀÚ¿ø ½Ã½ºÅÛ¿¡¼­ °ø±Þ¹Þ´Â »ç¶÷ÀÇ 62%¸¦ Æ÷ÇÔÇÏ¿© 1¾ï 4õ4¹é¸¸ ¸íÀÇ »ç¶÷(ÀüÀα¸ÀÇ 56%)ÀÌ ¹Ì±¹¿¡¼­ ºÒ¼ÒÈ­µÈ ¹°À» °ø±Þ¹Þ°í ÀÖ´Ù. ±×·¯³ª ´ë·« 42,000 °øÁß¼öÀÚ¿ø½Ã½ºÅÛ°ú ¹Ì±¹ÀÇ 5¸¸¸í ÀÌ»ó °ÅÁÖÇÏ´Â ½ÃÀÇ 153°÷¿¡¼­´Â ºÒ¼ÒÈ­µÈ ¹°À»°ø±ÞÇÏÁö ¾Ê´Â´Ù.

ºñ¿ë È¿°ú¿Í ºÒ¼ÒÈ­ÀÇ ºñ¿ë Àý¾à (Cost Effectiveness and Cost Savings of Fluoridation)

¼öµ¾¹° ºÒ¼ÒÈ­´Â ¹Ì±¹¿¡¼­ 5¸¸¸í ÀÌ»óÀÇ ÁÖ¹ÎÀ» °¡Áø Áö¿ª¿¡¼­´Â ÀÏÀδç 31¼¾Æ®ÀÌÁö¸¸ 1¸í ÀÌÇÏÀÇ Áö¿ª»çȸ¿¡¼­´Â ÀÏÀδç $2.12 °¡ ¼Ò¿äµÈ´Ù(21).  ÇÑ Áö¿ªÀÇ ÃæÄ¡¸¦ ¿¹¹æÇÏ´Â ´Ù¸¥ ¹æ¹ýº¸´Ù ¼öµ¾¹° ºÒ¼ÒÈ­´Â ¹Ì±¹ÀÇ °ÅÀÇ ´ëºÎºÐÀÇ Áö¿ª¿¡¼­ µµ¿òÀ» ¹Þ´Â °Í°ú ºñ±³ÇßÀ» ¶§ °¡Àå È¿°úÀûÀÎ ¹æ¹ýÀÌ´Ù (22).

¼öµ¾¹° ºÒ¼ÒÈ­´Â Á÷Á¢ÀûÀ¸·Î ÃæÄ¡¸¦ ¿¹¹æÇÔÀ¸·Î½á health-care ºñ¿ëÀ» ÁÙ¿©ÁÖ¾ú´Ù. ºÒ¼ÒÈ­·Î ÀÎÇÑ ÀÏÀδçÀÇ ºñ¿ëÀÇ °¨¼Ò´Â Àϳ⠱âÁØÀ¸·Î ÃæÄ¡°¡ Àû¾ú´ø ÀÛÀº Áö¿ª»çȸ¿¡¼­´Â ¾ó¸¶µÇÁö ¾ÊÁö¸¸ ÃæÄ¡°¡ ¸¹ÀÌ ¹ß»ýÇÏ´Â Å« µµ½ÃÀÇ °æ¿ì $53 ±îÁö·Î ´Ù¾çÇÏ´Ù (CDC, unpublished data, 1999). °æÁ¦ÀûÀÎ ºÐ¼®¿¡ÀÇÇÏ¸é ¼öµ¾¹° ºÒ¼ÒÈ­¿Í ºÒ¼Ò ÇÔÀ¯Á¦Ç°À» »ç¿ëÇÔÀ¸·Î½á ¹Ì±¹¿¡¼­ 1979³â°ú 1989³â »çÀÌ¿¡ 390¾ïºÒ(1990³â °¡Ä¡)ÀÌ Àý¾àµÇ¾ú´Ù°í ÇÑ´Ù(23).

ºÒ¼ÒÈ­¿¡ ´ëÇÑ ¾ÈÀü¼º (Safety of Water Fluoridation)

ÃÖÃÊÀÇ ºÒ¼ÒÈ­¿¡ ´ëÇÑ »ý¸®ÀûÀÎ È¿°ú¿¡ ´ëÇÑ ¿¬±¸´Â ºÒ¼ÒÈ­ ½ÃÇàÀÌÀüºÎÅÍ ÀÖ¾ú´Ù. 1950³â´ëºÎÅÍ ºÒ¼ÒÈ­ ¹Ý´ëÁÖÀåÀÚµéÀº ºÒ¼ÒÈ­°¡ ¾ÏÀÇ À§Çè°ú, ´Ù¿îÁõÈıº, ½ÉÀ庴, °ñ´Ù°øÁõ, »ÀÀÇ °ñÀý, AIDS, ³·Àº IQ, ¾ËÂ¥ÀÌ¸Ó Ä¡¸Å, ¾Ë·¯Áö ¹ÝÀÀµîµîÀ» ÀÏÀ¸Å²´Ù°í ÁÖÀåÇØ¿Ô´Ù(24). ¼öµ¾¹° ºÒ¼ÒÈ­¿¡ ´ëÇÑ ¾ÈÁ¤¼º°ú À¯È¿¼º¿¡ ´ëÇÑ °ÍÀº ´Ù½Ã ¿©·¯¹ø °ËÁõµÇ¾ú°í ¼öµ¾¹° ºÒ¼ÒÈ­°¡ ÀÌ·± Áúº´À» ÀÏÀ¸Å²´Ù´Â °ÍÀ»ÁöÁöÇÏ´Â ¹ÏÀ» ¸¸ÇÑ Áõ°Å´Â ÀüÇô ¾ø¾ú´Ù(25).

21 ¼¼±â¿¡´Â ..

20¼¼±â¿¡ ¹Ì±¹¿¡¼­ ÃæÄ¡ÀÇ ¹ß»ý°ú ½É°¢¼ºÀÌ ÃæºÐÈ÷ ÁÙ¾îµé¾ú´Ù°í ÇØµµ ´ëºÎºÐÀ» ¸·À» ¼ö ÀÖ´Â ÃæÄ¡´Â ¾ÆÁ÷µµ ¸Å¿ì ÈçÇÏ´Ù. National data´Â 12-17 »ì û¼Ò³âÀÇ 67%(26)¿Í 18¼¼ ÀÌ»óÀÇ ¾î¸¥ÀÇ 94%´Â ¿µ±¸Ä¡¿¡ ÃæÄ¡¸¦ °¡Áö°í ÀÖ´Â °Í(27)À¸·Î ³ªÅ¸³µ´Ù.

¼öµ¾¹° ºÒ¼ÒÈ­·Î ÀÎÇÑ °¡Àå Áß¿äÇÑ °á°ú´Â ÀϹݴëÁßÀÌ Ä¡¾Æ°Ç°­¿¡ ´ëÇØ »ý°¢ÇÏ´Â °ÍÀÌ ¹Ù²î¾ú´Ù´Â °ÍÀÌ´Ù. Ä¡¾Æ¸¦ ÀҴ´ٴ °ÍÀº ´õ ÀÌ»ó ÇÇÇÒ ¼ö ¾ø´Â °ÍÀÌ ¾Æ´Ï¸ç ¹Ì±¹¿¡¼­ Æò»ýµ¿¾È Ä¡¾ÆÀÇ ´ëºÎºÐÀ» À¯ÁöÇÏ´Â »ç¶÷µéÀÇ ¼ö°¡ ´Ã¾î°¡°í ÀÖ´Ù(12). ¿¹¸¦µé¾î 45-54¼¼ »ç¶÷Áß¿¡¼­ Ä¡¾Æ¸¦ ÀüºÎ ÀÒ¾î ¹ö¸° »ç¶÷Àº 1960³â-1962³â¿¡´Â 20.0% ¿´Áö¸¸ 1988-1994³â¿¡´Â 9.1%·Î ÁÙ¾îµé¾ú´Ù(CDC, unpublished data, 1999). 2Â÷´ëÀü ÀÌÈÄÀÇ º£À̺ñºÕ ¼¼´ëÀÇ Ãʱ⿡ ž »ç¶÷µéÀÌ 21¼¼±â Ãʹݿ¡ 60¼¼°¡ µÈ´Ù. À̵éÀº ¿ª»çÀûÀ¸·Î ¾î¶² ½Ã±â¿¡ »ì´ø »ç¶÷µéº¸´Ù ¿ÏÀüÇÑ Ä¡¾Æ¸¦ °¡Áø ¼¼´ëµéÀÌ´Ù. ´ÙÀ½ ¼¼±â¿¡¼­µµ ¼öµ¾¹° ºÒ¼ÒÈ­´Â ¹Ì±¹¿¡¼­ ÀÌ ³ëÀε鿡°Ô ÃæÄ¡¸¦ ¸·¾ÆÁÖ´Â ¿ªÇÒÀ» °è¼ÓÇÏ°Ô µÉ °ÍÀÌ´Ù.

¹Ì±¹ »çȸ¿¡ »ì°í ÀÖ´Â ´ëºÎºÐÀÇ »ç¶÷Àº ¼öµ¾¹° ºÒ¼ÒÈ­¸¦ÁöÁöÇÑ´Ù(29). ºñ·Ï 1945³â¿¡¼­ 1970³â´ë »çÀÌ¿¡ ¼öµ¾¹° ºÒ¼ÒÈ­ Áö¿ªÀÌ ±Þ¼ÓÈ÷ ´Ã¾úÁö¸¸ Áõ°¡¼Óµµ´Â ÃÖ±Ù¿¡ À־´Â ³·¾ÆÁö°í ÀÖ´Ù. ÀÌ·¸°Ô ºÒ¼ÒÈ­°¡ È®´ëµÇ´Â °ÍÀÌ ´Ê¾îÁö´Â °ÍÀº ¸î°¡Áö ÀÌÀ¯°¡ ÀÖ´Ù. 1) °øÁß, ȤÀº ÀϺΠ°úÇÐÀÚµéÀ̳ª Á¤Ã¥ÀÔ¾ÈÀÚµéÀº ÃæÄ¡¸¦ ´õ ÀÌ»ó Áß¿äÇÑ °Ç°­»óÀÇ ¹®Á¦·Î »ý°¢ÇÏÁö ¾Ê´Â´Ù. 2) ¼öµ¾¹° ºÒ¼ÒÈ­¸¦ Çϱâ À§Çؼ­´Â Á¤Ä¡ÀûÀÎ °úÁ¤À» °ÅÃÄ¾ß ÇÑ´Ù. 3) ¼öµ¾¹° ºÒ¼ÒÈ­¹Ý´ë·ÐÀÚµéÀº ÃæºÐÇÑ Áõ°Åµµ ¾øÀÌ °Ç°­»ó¿¡ ³ª»Û ¿µÇâÀ» ¹ÌÄ£´Ù´Â ÁÖÀåÀ» ÇÏ¿©¼­ ÀϹÝÀϵéÀÇ Àǰ߿¡ ¿µÇâÀ» ÁÖ°í ÀÖ´Ù(24). 4) ´ëºÎºÐÀÇ ¼öµ¾¹° ºÒ¼ÒÈ­Áö¿ªÀº ¸Å¿ì ÀÛÀº Áö¿ª»çȸ¶ó¼­ ÀÏÀÎ´ç ºñ¿ëÀÌ ¸Å¿ì ³ô´Ù. ÀÌ·¯ÇÑ À庮µéÀº ¹Ì±¹ÀÇ 21¼¼±âÀÇ ¼öµ¾¹° ºÒ¼ÒÈ­¿¡ À־ ½É°¢ÇÑ µµÀüµéÀÌ´Ù. ÀÌ·¯ÇÑ ¿¹¹æÁ¶Ä¡¿¡ ´ëÇÑ µµÀüÀ» ±Øº¹Çϱâ À§Çؼ­, ±¹°¡³ª, ÁÖ, ±×¸®°í Áö¿ª´ÜÀ§ÀÇ º¸°Ç Àü¹®°¡µéÀÌ ºÒ¼ÒÈ­¿¡ ´ëÇÑ Á»´õ ±ÇÀåÀ» ÇØ¾ßÇϸç, ºÒ¼ÒÈ­¿¡ ÇÊ¿äÇÑ Àåºñ¿Í »ç¶÷°ú ÈÆ·ÃÀ» Çã°¡ÇØ¾ß ÇÑ´Ù.

Reported by Div of Oral Health, National Center for Chronic Disease Prevention and Health Promotion, CDC.

References

  1. Featherstone JD. Prevention and reversal of dental caries: role of low level fluoride. Community Dent Oral Epidemiol 1999;27:31-40.
  2. Burt BA. Influences for change in the dental health status of populations: an historical perspective. J Public Health Dent 1978;38:272-88.
  3. Britten RH, Perrott GSJ. Summary of physical findings on men drafted in world war. Pub Health Rep 1941;56:41-62.
  4. Klein H. Dental status and dental needs of young adult males, rejectable, or acceptable for military service, according to Selective Service dental requirements. Pub Health Rep 1941; 56:1369-87.
  5. Klein H, Palmer CE, Knutson JW. Studies on dental caries. I. Dental status and dental needs of elementary school children. Pub Health Rep 1938;53:751-65.
  6. McKay FS, Black GV. An investigation of mottled teeth: an endemic developmental imperfection of the enamel of the teeth, heretofore unknown in the literature of dentistry. Dental Cosmos 1916;58:477-84.
  7. McKay FS. Relation of mottled enamel to caries. J Am Dent A 1928;15:1429-37.
  8. Churchill HV. Occurrence of fluorides in some waters of the United States. J Ind Eng Chem 1931;23:996-8.
  9. Dean HT. The investigation of physiological effects by the epidemiological method. In: Moulton FR, ed. Fluorine and dental health. Washington, DC: American Association for the Advancement of Science 1942:23-31.
  10. Dean HT. Endemic fluorosis and its relation to dental caries. Public Health Rep 1938;53:1443-52.
  11. Dean HT. On the epidemiology of fluorine and dental caries. In: Gies WJ, ed. Fluorine in dental public health. New York, New York: New York Institute of Clinical Oral Pathology, 1945:19-30.
  12. Burt BA, Eklund SA. Dentistry, dental practice, and the community. 5th ed. Philadelphia, Pennsylvania: WB Saunders, 1999.
  13. Public Health Service. Public Health Service drinking water standards--revised 1962. Washington, DC: US Department of Health, Education, and Welfare, 1962. PHS publication no. 956.
  14. National Center for Health Statistics. Decayed, missing, and filled teeth among youth 12-17 years--United States. Rockville, Maryland: US Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, 1974. Vital and health statistics, vol 11, no. 144. DHEW publication no. (HRA)75-1626.
  15. Brunelle JA, Carlos JP. Recent trends in dental caries in US children and the effect of water fluoridation. J Dent Res 1990;69:723-7.
  16. Newbrun E. Effectiveness of water fluoridation. J Public Health Dent 1989;49:279-89.
  17. Horowitz HS. The effectiveness of community water fluoridation in the United States. J Public Health Dent 1996;56:253-8.
  18. Riley JC, Lennon MA, Ellwood RP. The effect of water fluoridation and social inequalities on dental caries in 5-year-old children. Int J Epidemiol 1999;28:300-5.
  19. Shellis RP, Duckworth RM. Studies on the cariostatic mechanisms of fluoride. Int Dent J 1994;44(3 suppl 1):263-73.
  20. CDC. Fluoridation census 1992. Atlanta, Georgia: US Department of Health and Human Services, Public Health Service, CDC, National Center for Prevention Services, Division of Oral Health, 1993.
  21. Ringelberg ML, Allen SJ, Brown LJ. Cost of fluoridation: 44 Florida communities. J Public Health Dent 1992;52:75-80.
  22. Burt BA, ed. Proceedings for the workshop: cost effectiveness of caries prevention in dental public health. J Public Health Dent 1989;49(5, special issue):251-344.
  23. Brown LJ, Beazoglou T, Heffley D. Estimated savings in U.S. dental expenditures, 1979-89. Public Health Rep 1994;109:195-203.
  24. Hodge HC. Evaluation of some objections to water fluoridation. In: Newbrun E, ed. Fluorides and dental caries. 3rd ed. Springfield, Illinois: Charles C. Thomas, 1986:221-55.
  25. National Research Council. Health effects of ingested fluoride. Washington, DC: National Academy Press, 1993.
  26. Kaste LM, Selwitz RH, Oldakowski RJ, Brunelle JA, Winn DM, Brown LJ. Coronal caries in the primary and permanent dentition of children and adolescents 1-17 years of age: United States, 1988-1991. J Dent Res 1996;75:631-41.
  27. Winn DM, Brunelle JA, Selwitz RH, et al. Coronal and root caries in the dentition of adults in the United States, 1988-1991. J Dent Res 1996;75:642-51.
  28. National Center for Health Statistics. Decayed, missing, and filled teeth in adults--United States, 1960-1962. Rockville, Maryland: US Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, 1973. Vital and health statistics vol 11, no. 23. DHEW publication no. (HRA)74-1278.
  29. American Dental Association Survey Center. 1998 consumers' opinions regarding community water fluoridation. Chicago, Illinois: American Dental Association, 1998.


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