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Post-treatment stability of the occlusal plane according to different vertical facial patterns

Korean Journal of Orthodontics 2006³â 36±Ç 5È£ p.369 ~ 379
¹ÚÁ¤Àº, ÀÌÁø¿ì, Á¤µ¿È­, Â÷°æ¼®,
¼Ò¼Ó »ó¼¼Á¤º¸
¹ÚÁ¤Àº ( Park Jung-Eun ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
ÀÌÁø¿ì ( Lee Jin-Woo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
Á¤µ¿È­ ( Jung Dong-Hwa ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
Â÷°æ¼® ( Cha Kyung-Suk ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç

Abstract

º» ¿¬±¸´Â ¼öÁ÷Àû ¾È¸ðÀ¯Çü¿¡ µû¸¥ Ä¡·á ÈÄ ±³ÇÕÆò¸é º¯È­¾ç»óÀ» Á¶»çÇÏ¿© ÇâÈÄ ÀûÀýÇÑ Ä¡·á°èȹ°ú ±âÀüÀÇ ¼³Á¤¿¡ µµ¿òÀÌ µÇ°íÀÚ ½ÃÇàÇÏ¿´´Ù. °ñ°Ý¼º I±Þ ºÎÁ¤±³ÇÕÀ¸·Î Áø´ÜµÇ¾î ºñ¹ßÄ¡·Î Ä¡·á¹ÞÀº ¼º¹Î 60¸í(³²ÀÚ 28¸í, ¿©ÀÚ 32¸í)À» ´ë»óÀ¸·Î ÇÏ¿´À¸¸ç, Ricketts¹ýÀÇ facial axis, facial depth, mandibular plane angle, lower face height, mandibular arcÀÇ 5°³ Ç׸ñÀ» ÀÌ¿ëÇÏ¿© Çѱ¹ ¼ºÀÎÀÇ Á¤»ó±³ÇÕÀÚ Åë°èÄ¡ÀÇ ±âÁØ¿¡ µû¶ó short face type (1±º), average face type (2±º), long face type (3±º)À¸·Î ºÐ·ùÇÏ¿´´Ù. °¢ ±ºÀÇ Ä¡·á Àü, Ä¡·á Á¾·á, Á¾·á ÈÄ 1³âÀÇ Ãø¸ðµÎºÎ ¹æ»ç¼±»çÁø °èÃøÄ¡¸¦ ºñ±³ ºÐ¼®ÇÏ¿´´Ù. 1±ºÀº Ä¡·á Á¾·á ½Ã¿Í ºñ±³ÇÏ¿© À¯Áö±â°£¿¡ ÀϹÝÀû ±³ÇÕÆò¸é°¢, ±â´ÉÀû ±³ÇÕ Æò¸é°¢, L6/L1, MP-L6 Ç׸ñÀÌ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´°í(p < 0.01) L1-FOP Ç׸ñÀº À¯ÀÇÇÏ°Ô Áõ°¡ÇÏ¿´´Ù(p < 0.001). 2±ºÀº À¯Áö±â°£¿¡ À¯ÀÇÇÑ º¯È­¸¦ º¸ÀÌÁö ¾Ê¾ÒÀ¸¸ç 3±ºÀº À¯Áö±â°£¿¡ ±â´ÉÀû ±³ÇÕÆò¸é°¢ÀÌ À¯ÀÇÇÏ°Ô Áõ°¡ÇÏ¿´´Ù(p < 0.05). ±â´ÉÀû ±³ÇÕÆò¸é°¢ÀÇ Ä¡·á ÈÄ º¯È­·®Àº °¢ ±º °£¿¡ À¯ÀÇÇÑ Â÷À̸¦ º¸¿´À¸¸ç ƯÈ÷, 1±º°ú 3±º °£¿¡ ¸Å¿ì Å« À¯ÀǼºÀ» º¸¿´´Ù. µû¶ó¼­ Ä¡¾ÆÀÇ ¾ÐÇÏ, Á¤Ãâ ¹× Ä¡·á ÈÄ ÀüÄ¡ºÎ ÇÇ°³ µî¿¡ ÀÖ¾î À¯Áö±â°£ Áß ±³ÇÕÆò¸é°¢ º¯È­ÀÇ °í·Á°¡ ÇÊ¿äÇÏ´Ù°í »ý°¢µÈ´Ù.

The purpose of this study was to find changes in the occlusal plane related to different vertical facial patterns and suggest treatment goals and conduct possible treatment mechanisms. Methods: 60 adult patients (28 males, 32 females) who had been diagnosed as Class 1 skeletal malocclusion and treated without extraction were selected. Patients were divided into three groups; short face type (group 1), average face type (group 2) and long face type (group 3), using the data on normal occlusion of Korean adults. Results: The results were achieved by analyzing cephalometric tracings of each group at pre-treatment, end-treatment and post-treatment (about 1 year recall check). The inclination of the occlusion plane tends to gradually increase as the face becomes longer In group 1, COP-X, FOP-X, L6/L1, MP-L6 were significantly decreased, and L1-FOP was significantly increased during the retention period (T3-T2). Group 2 showed no significant change, In group 3, FOP-X was significantly increased during the retention period (T3-T2). During the retention period, FOP-X showed significant change among each group, especially between group 1 and group 3. Conclusion: These results suggest that changes of occlusal plane inclination according to facial vertical pattern need to be considered during the retention period for intrusion, extrusion, and incisor overbite.

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Vertical facial pattern;Conventional occlusal plane;Functional occlusal plane;Retention period

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