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¾Ç±³Á¤¼ö¼úÀ» ¹ÞÀº III±Þ ºÎÁ¤±³ÇÕÀÚÀÇ Ä¡·á Àü, ÈÄÀÇ ÇϾÇÄ¡¿­±Ã º¯È­

Changes of mandibular dental arch during surgical-orthodontic treatment in skeletal class III malocclusion individuals

Korean Journal of Orthodontics 2008³â 38±Ç 4È£ p.283 ~ 297
³²ÇüÁø, ¼Õ¿ì¼º, ¹Ú¼öº´, ±è¼º½Ä,
¼Ò¼Ó »ó¼¼Á¤º¸
³²ÇüÁø ( Nam Hyung-Jin ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç
¼Õ¿ì¼º ( Son Woo-Sung ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°ú±³Á¤Çб³½Ç
¹Ú¼öº´ ( Park Soo-Byung ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°ú±³Á¤Çб³½Ç
±è¼º½Ä ( Kim Seong-Sik ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°ú±³Á¤Çб³½Ç

Abstract

º» ¿¬±¸´Â ¾Ç±³Á¤¼ö¼úÀ» ¹ÞÀº °ñ°Ý¼º III±Þ ºÎÁ¤±³ÇÕÀÚÀÇ Ä¡·á Àü, ÈÄÀÇ ÇϾÇÄ¡¿­±Ã º¯È­¸¦ °üÂûÇÏ°í, À̵éÀÌ ÃÊÁø½ÃÀÇ Ãø¸ðµÎºÎ¹æ»ç¼± ±Ô°Ý»çÁø ¹× ¼®°í¸ðÇü°ú ¾î¶°ÇÑ »ó°ü¼ºÀ» °¡Áö°í ÀÖ´ÂÁö¸¦ ¾Ë¾Æº¸±â À§ÇØ °ñ°Ý¼º III±Þ ºÎÁ¤±³ÇÕÀÚ·Î Áø´Ü¹ÞÀº 31¸í(³²ÀÚ 14¸í, ¿©ÀÚ 17¸í, Æò±Õ 21.8 ¡¾ 3.3¼¼)À» ´ë»óÀ¸·Î Ä¡·á Àü, ¾Ç±³Á¤¼ö¼ú Àü, ¾Ç±³Á¤¼ö¼ú ÈÄ Ã¤µæÇÑ Ãø¸ðµÎºÎ¹æ»ç¼± ±Ô°Ý»çÁø°ú Ä¡·á Àü, ÈÄÀÇ ¼®°í¸ðÇüÀ» °èÃøÇÏ¿© »ó°üºÐ¼®°ú ȸ±ÍºÐ¼®À» ½ÃÇàÇÏ¿´´Ù. ¿¬±¸ °á°ú Mn-LMMC, Mn-LIE, Mn-MnOcc´Â ¼úÀü±³Á¤Ä¡·á¿¡ ÀÇÇÑ À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. Ä¡·á ÀüÀÇ °èÃøÄ¡¿Í Ä¡·á ÈÄ º¯È­µÈ °èÃøÄ¡¿ÍÀÇ »ó°ü°ü°è¿¡¼­´Â Ä¡¿­±Ã°ø°£ºÎÁ·(ALD)Àº ICW, IPW1ÀÇ º¯È­·®°ú ¼ø»ó°ü°ü°è(r = 0.492, 0.615) ¸¦ º¸¿´À¸¸ç, Ä¡¿­±ÃÀå°æ(arch length)ÀÇ º¯È­·®°úµµ ¼ø»ó°ü°ü°è(r = 0.641)¸¦ º¸¿´´Ù. ±×·¯³ª Spee ¸¸°îÀº ÀüÄ¡ºÎÄ¡Ãà °¢µµ º¯È­¿Í Ä¡¿­±Ã Æø°æ ¹× Àå°æ µî °¢°¢ÀÇ º¯È­·®°ú´Â »ó°ü°ü°è¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. À̸¦ ÀÌ¿ëÇÏ¿© ȸ±ÍºÐ¼®À» ½ÃÇàÇÑ °á°ú, ¼úÀü±³Á¤ ÈÄ Arch length, IPW1ÀÇ º¯È­·®Àº Ä¡·á ÀüÀÇ °èÃøÄ¡·Î °¢°¢ 64.0%, 75.8%¸¦ ¼³¸íÇÒ ¼ö ÀÖ¾ú´Ù. ÀÌ»óÀÇ ¿¬±¸¿¡¼­ °ñ°Ý¼º III±Þ ºÎÁ¤±³ÇÕÀÚÀÇ Ä¡·á Àü, ÈÄÀÇ º¯È­·®°ú Ä¡·á Àü Ãø¸ðµÎºÎ¹æ»ç¼± ±Ô°Ý»çÁø ¹× ¼®°í¸ðÇü °£¿¡ °ü·Ã¼ºÀÌ ÀÖ¾ú°í ¾Ç±³Á¤¼ö¼úÀ» µ¿¹ÝÇÑ ±³Á¤Ä¡·á °èȹÀ» ¼ö¸³ÇÒ ¶§ ¼úÀü±³Á¤Ä¡·áÀÇ ¸ñÇ¥ ¼³Á¤°ú ¾Ç±³Á¤¼ö¼ú °á°úÀÇ ¿¹Ãø¿¡ µµ¿òÀÌ µÉ °ÍÀ¸·Î ÆǴܵȴÙ. (´ëÄ¡±³Á¤Áö 2008;38(4):283-298)

Objective: The purpose of this study was to investigate changes in the mandibular dental arch from presurgical orthodontic treatment and orthognathic surgery, and to evaluate the relationships between the pretreatment records and changes of mandibular dental arch in skeletal Class III malocclusion individuals.

Methods: Lateral cephalometric radiographs and mandibular study models of 31 adults with skeletal class III malocclusion were taken and measured. All measurements were evaluated statistically by ANOVA, Scheffe¡¯s Post Hoc, and paired t-test, and correlation coefficients were evaluated.

Results: No significant difference in Mn-LMMC, Mn-LIE, Mn-MnOcc was detected between pretreatment and presurgical groups. Statistically significant but low correlations were demonstrated between the initial arch length discrepancy (ALD) and change in ICW, IPW1 (r = 0.492, 0.615) and change in arch length (r = 0.641). No association was seen between the initial depth of curve of Spee and change in mandibular incisor angle and arch width or arch length. Regression analysis showed that the amount of change for arch length and IPW1 could be explained by 64.0% and 75.8% of the pretreatment variables respectively.

Conclusions: This study suggests that orthognathic surgery results can be predictable by measuring the pretreatment records. (Korean J Orthod 2008;38(4):283-298)

Å°¿öµå

III±ÞºÎÁ¤±³ÇÕÀǼö¼ú±³Á¤;Ä¡¼ºº¸»ó;ÇϾÇÄ¡¿­±Ã
ClassIIIsurgical-orthodontics;Dentaldecompensation;Lowerdentalarch

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