Àá½Ã¸¸ ±â´Ù·Á ÁÖ¼¼¿ä. ·ÎµùÁßÀÔ´Ï´Ù.

°¢Á¾ Ä¡°ú·¹ÀÌÀúÀÇ Streptococcus mutans¿¡ ´ëÇÑ Áõ½Ä ¹× ±â´É¾ïÁ¦ È¿°ú

INHIBITORY EFFECT OF DENTAL LASERS ON THE GROWTH AND THE FUNCTION OF STREPTOCOCCUS MUTANS

´ëÇѼҾÆÄ¡°úÇÐȸÁö 2003³â 30±Ç 3È£ p.439 ~ 447
ÇÑ°­¼®, ±¹Áß±â, À¯¼Ò¿µ, ±èÈ­¼÷, ¹ÚÁ¾ÈÖ, ¹ÚÇ嵿, ÀÌ»óÈ£,
¼Ò¼Ó »ó¼¼Á¤º¸
ÇÑ°­¼® (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±¹Áß±â (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ýÈ­Çб³½Ç
À¯¼Ò¿µ (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ýÈ­Çб³½Ç
±èÈ­¼÷ (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­»ýÈ­Çб³½Ç
¹ÚÁ¾ÈÖ (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¹ÚÇ嵿 (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈ£ (  ) - Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

·¹ÀÌÀúÀÇ ±¸°­³» »ê »ý¼º ¼¼±ÕÀÎ S. mutans¿¡ ´ëÇÑ Áõ½Ä ¹× ±â´É ¾ïÁ¦È¿°ú¸¦ Æò°¡Çϱâ À§ÇÏ¿© S. mutans KCTC 3065°¡ Ç¥ÇÔµÈ ¼¼±Õ pellet¿¡ Er:YAG ·¹ÀÌÀú¿Í Nd:YAG ·¹ÀÌÀú¸¦ ºñÁ¢ÃË½Ä ¹æ¹ýÀ¸·Î, Á¶»ç¼¼±â 50mJ, Á¶»ç½Ã°£ 5ÃÊ, ±×¸®°í pulse repetition rate¸¦ °¢°¢ 10Hz¿Í 30Hz·Î ÇÏ¿© Á¶»çÇÏ°í ¼¼±Õ ±º¶ô¼ö, »ê »ý¼º´É, ºÒ¿ë¼º ¼¼Æ÷¿Ü ´Ù´ç·ùÀÇ ÇÕ¼º·®À» ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú°°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. Chinese ink·Î photosensitizationÀ» ½ÃÇàÇÑ ÈÄ Nd:YAG ·¹ÀÌÀú¸¦ Á¶»çÇÑ °æ¿ì°¡ S. mutansÀÇ Áõ½ÄÀ» °¡Àå ¸¹ÀÌ ¾ïÁ¦ÇÏ¿´À¸¸ç Er:YAG ·¹ÀÌÀú Á¶»çµµ Áõ½ÄÀ» ¾ïÁ¦ÇÏ¿´´Ù. ±×·¯³ª Chinese ink¸¦ »ç¿ëÇÏÁö ¾Ê°í Nd:YAG ·ÊÀÌÀú¸¦ ´Üµ¶À¸·Î Á¶»çÇÑ °æ¿ì´Â S. mutansÀÇ Áõ½ÄÀ» ¾ïÁ¦ÇÏÁö ¸øÇÏ¿´´Ù. ·¹ÀÌÀú Á¶»çÁ¶°Ç Áß pulse repetition rate´Â Àü¹ÝÀûÀ¸·Î ¼¼±Õ Áõ½Ä¾ïÁ¦¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¸øÇÏ¿´´Ù.
2. Chinese ink·Î photosensitizationÀ» ½ÃÇàÇÑ ÈÄ Nd:YAG ·¹ÀÌÀú¸¦ Á¶»çÇÑ °æ¿ì°¡ ÀÏÁ¤±â°£ µ¿¾È S. mutansÀÇ »ê»ý ¼º´ÉÀ» °¡Àå ¸¹ÀÌ ¾ïÁ¦ÇÏ¿´À¸¸ç Er:YAG ·¹ÀÌÀú Á¶»çµµ »ê »ý¼º´ÉÀ» ¾ïÁ¦ÇÏ¿´´Ù. Chinese ink¸¦ »ç¿ëÇÏÁö ¾Ê°í Nd:YAG ·¹ÀÌÀú¸¦ ´Üµ¶À¸·Î Á¶»çÇÑ °æ¿ì´Â S. mutansÀÇ »ê»ý¼º´ÉÀ» ¾ïÁ¦ÇÏÁö ¸øÇÏ¿´´Ù. Er:YAG ·¹ÀÌÀú¿Í Chinese ink·Î photosensitizationÀ» ½ÃÇàÇÑ ÈÄ Nd:YAG ·¹ÀÌÀú¸¦ Á¶»çÇÑ °æ¿ì´Â pulse repetition rate°¡ Ŭ¼ö·Ï Àü¹ÝÀûÀ¸·Î ¼¼±ÕÀÇ »ê»ý¼º´ÉÀ» ´õ ¸¹ÀÌ ¾ïÁ¦ÇÏ¿´´Ù.
3. ·¹ÀÌÀú Á¶»ç´Â S. mutansÀÇ ºÒ¿ë¼º ¼¼Æ÷¿Ü´Ù´ç·ùÀÇ ÇÕ¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¸øÇÏ¿´´Ù.
ÀÌ»óÀÇ °á°ú·Î º¸¾Æ Er:YAG ·¹ÀÌÀú¿Í Chinese ink·Î photosensitizationÀ» ½ÃÇàÇÑ ÈÄÀÇ Nd:YAG ·¹ÀÌÀú Á¶»ç´Â ÀÏÁ¤ ½Ã°£ µ¿¾È S. mutansÀÇ Áõ½Ä°ú »ê »ý¼º´ÉÀ» ¾ïÁ¦½ÃÅ°¹Ç·Î½á Ä¡¾Æ¿ì½ÄÁõ ¿¹¹æÈ¿°ú¸¦ ¾òÀ» ¼ö ÀÖ´Ù°í »ç·áµÇ³ª ¾ïÁ¦È¿°ú°¡ ¿À·¡°¡Áö ¾Ê¾Æ ÀÓ»óÀûÀ¸·Î È¿°ú¸¦ ¾ò±â À§Çؼ­´Â ÀÚÁÖ Á¶»ç¸¦ ÇØÁÖ¾î¾ß ÇÑ´Ù´Â ¹®Á¦Á¡À» ¾È°í ÀÖ¾î ÀÓ»óÀûÀ¸·Î Ä¡¾Æ¿ì½ÄÁõ ¿¹¹æÀ̶õ ´Üµ¶ ¸ñÀûÀ¸·Î »ç¿ëÇϱ⿡´Â ½Ç¿ë¼ºÀÌ Å©Áö ¾Ê´Ù°í »ç·áµÈ´Ù.
This was performed to evaluate the inhibitory effect of laser on the growth of S. mutans. The bacterial pallets containing S. mutans KCTC 3065 were irradiated with Er:YAG laser and Nd:YAG laser by non-contact method at an intensity of 50mJ for 5 sec with the pulse repetition rates of 10Hz and 30Hz, respectively.
The following results were obtained on colony count, acid producing ability, and the amount of insoluble extra-cellular polysaccharide synthesis.
1. The irradiation of Nd:YAG laser after photosensitization with Chinese ink inhibited the proliferation of S. mutans the most, and the irradiation of Er:YAG also inhibited the proliferation. However, the irradiation of NdrYAG laser alone could not inhibited the proliferation of S. mutans. The pulse repetition rate did not affect significantly on the proliferation of bacteria in overall.
2. The irradiation of Nd :YAG laser after the photosensitization with Chinese ink inhibited the acid production of S. mutans the most for a certain period of time. Er:YAG laser also inhibited acid production. When Nd:YAG laser was used alone, the acid production of S. mutans was not been inhibited. The irradiation of Nd:YAG laser after photosensitization with Chinese ink inhibited the acid production ability of bacteria the most as the pulse repetition rate increased.
3. Laser irradiation did not inhibited the synthesis of insoluble extracellular polysaccharide of S. mutans.

From these results, we conclude that the irradiation of Er:YAG laser and Nd:YAG laser after photosensitization with Chinese ink would inhibit the proliferation and acid production by S. mutans, which may prevent dental caries. However, this effect does not last long time so that the laser irradiation should be repeated frequently in order to obtain clinical effect; thus, this laser irradiation would not have a clinical usefulness in preventing dental caries when used solely.

Å°¿öµå

Er:YAG ·¹ÀÌÀú;Nd:YAG ·¹ÀÌÀú;Streptococcus mutans;Photosensitization;Er:YAG laser;Nd:YAG laser;Streptococcus mutans;Photosensitization

¿ø¹® ¹× ¸µÅ©¾Æ¿ô Á¤º¸

 

µîÀçÀú³Î Á¤º¸

KCI