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A study on the smile according to age and esthetic evaluation by the degree of dental knowledge

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±è¼ºÁø ( Kim Sung-Jin ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡ÀÇÇаú º¸Ã¶Çб³½Ç
±è¹®°ü ( Kim Moon-Gwan ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡ÀÇÇаú º¸Ã¶Çб³½Ç
¹Ú¼Ò¹Î ( Park So-Min ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡ÀÇÇаú º¸Ã¶Çб³½Ç
¹ÝÀç»ï ( Ban Jae-Sam ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡ÀÇÇаú º¸Ã¶Çб³½Ç
¹Ú»ó¿ø ( Park Sang-Won ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡ÀÇÇаú º¸Ã¶Çб³½Ç

Abstract

¿¬±¸ ¸ñÀû: º» ¿¬±¸´Â ±¤ÁÖÁö¿ª ÁÖ¹ÎÀÇ ³ªÀÌ¿¡ µû¸¥ ¹Ì¼ÒÇüŸ¦ ºÐ¼®ÇÏ°í ¼³¹®Á¶»ç¸¦ ÅëÇØ ½É¹ÌÀûÀÎ ¹Ì¼ÒÇüŸ¦ ºÐ¼®ÇÏ¿© ÀüÄ¡ºÎÀÇ º¸Ã¶ ¼öº¹¿¡ µµ¿òÀ» ÁÖ°íÀÚ ÇÏ¿´´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: 20´ë(Æò±Õ¿¬·É 27.2¼¼)¿Í 50, 60´ë(Æò±Õ¿¬·É 55.6¼¼)ÀÇ Á¤»ó ±³ÇÕÀÚ¸¦ °¢°¢ 33¸í(³²ÀÚ 15¸í, ¿©ÀÚ 18¸í), 20¸í (³²ÀÚ 7¸í, ¿©ÀÚ 13¸í)À» ´ë»óÀ¸·Î ÇÏ¿´°í, ¾ÈÁ¤À§ ½Ã¿Í ¹Ì¼Ò ½Ã ¾ó±¼Á¤¸é »çÁøÀ» ÃÔ¿µÇÏ¿© ¹Ì¼Ò ½Ã ÀÔ¼ú ÇüÅÂ, ÀÔ¼úÀÇ º¯È­¿Í Ä¡¾Æ¿ÍÀÇ °ü°è¸¦ °èÃø, ºÐ¼®ÇÏ¿´´Ù. ±× ÈÄ, Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø 1Çгâ(67¸í), 4Çгâ(47¸í)À» ´ë»óÀ¸·Î ¾Æ¸§´Ù¿î ¹Ì¼Ò¿¡ ´ëÇÑ ¼³¹®Á¶»ç¸¦ ½Ç½ÃÇÏ¿´´Ù.

°á°ú: ¹Ì¼Ò ½Ã »ó¼ø°ú Ä¡¾Æ¿ÍÀÇ °ü°è´Â µÎ ±×·ì ¸ðµÎ average smileÀÌ °¡Àå ¸¹¾ÒÀ¸¸ç, smile line ratio´Â û³âÃþ¿¡¼­ 1.09, Àå³âÃþ¿¡¼­ 0.90À¸·Î ³ªÅ¸³ª °ÅÀÇ ÆòÇàÇÑ °ü°è¸¦ º¸¿´´Ù. ¹Ì¼Ò ½Ã buccal corridor ratio°¡ Ä¿Áú¼ö·Ï ³ëÃâµÇ´Â Ä¡¾Æ ¼ö´Â Àû¾îÁö´Â ¿ª»ó°ü°ü°è¸¦ º¸¿´´Ù. ¹Ì¼Ò ½Ã ³ëÃâµÇ´Â Ä¡¾Æ´Â û³âÃþ¿¡¼­ Á¦2¼Ò±¸Ä¡±îÁö º¸ÀÌ´Â °æ¿ì°¡ 63.64%·Î Á¦ÀÏ ¸¹¾Ò°í, Àå³âÃþ¿¡¼­´Â Á¦1¼Ò±¸Ä¡±îÁö º¸ÀÌ´Â °æ¿ì°¡ 35%·Î °¡Àå ¸¹¾Ò´Ù. ¹Ì¼Ò ½Ã »ó¼ø ÇÏ¿¬ÀÇ ¼öÁ÷Àû ±æÀÌ º¯È­¿Í »ó¾Ç ÁßÀýÄ¡ ³ëÃâ ÀÓ»óÄ¡°ü ±æÀÌ »çÀÌ¿¡´Â ¼­·Î ¿ª»ó°ü°ü°è°¡ º¸¿´À¸¸ç, Çϼø »ó¿¬ÀÇ ±æÀÌ º¯È­¿Í »ó¾Ç ÁßÀýÄ¡ ³ëÃâ ÀÓ»óÄ¡°ü ±æÀÌ »çÀÌ¿¡´Â ¾Æ¹«·± »ó°ü°ü°è°¡ ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù.

°á·Ð: ½É¹Ì¼º¿¡ °üÇÏ¿©´Â High smile line°ú, ¹Ì¼Ò ½Ã »ó¾Ç Á¦1¼Ò±¸Ä¡±îÁö º¸ÀÌ´Â °æ¿ì°¡ Á¦ÀÏ ½É¹Ì¼ºÀÌ ³ô¾ÒÀ¸¸ç, Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø 1ÇгâÀÇ °æ¿ì, ¾ó±¼Àüü »çÁø°ú ÀÔ¼ú¸¸ ³ªÅ¸³­ »çÁø¿¡¼­ »ÌÀº ¾Æ¸§´Ù¿î ¹Ì¼Ò »çÁøÀÌ ´Þ¶úÀ¸¸ç, 4ÇгâÀÇ °æ¿ì¿¡´Â ÀÏÄ¡ÇÏ¿´´Ù.

Purpose: This study was designed to help to provide the criteria of the esthetic smile in oromaxillary region on twenties, fifties and sixties.

Materials and Methods: The facial straight photographs of 33 adults (male 15, female 18, mean age 27.2 years old) and 20 seniors (male 7, female 13, mean age 55.6 years old) in resting and smile position were taken. The measurements and proportion of lip-teeth relation during smile were statistically analyzed, and survey of freshmen and seniors who belong to School of Dentistry, Chonnam National University were taken to select the best esthetic smile among the photographs.

Results: In the relationship between the upper lip and the teeth, average smile was the most frequent, and mean of smile line ratio was 1.090 in young group and 0.90 in old group. The correlation between the buccal corridor ratio and exposed teeth count was inversed. At smile, most frequently exposed tooth was the second premolar (63.64%) in young gourp and the first premolar (35.00%) in old group. The correlation between the upper lip change ratio and exposed clinical crown length of maxillary central incisor was inverse, but there was no correlation between the lower lip change ratio and exposed clinical crown length of maxillarycentral incisor.

Conclusion: In the result of survey, the students selected the case exposed to the first premolar as the most esthetic smile. The most esthetic smile between full facial photograph and the lip only photograph by the freshmen was different, but that by seniors was identical.

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Smile;Esthetic;Anterior teeth;Survey

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KCI
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