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Indirect palatal skeletal anchorage (PSA)¸¦ ÀÌ¿ëÇÑ °ñ°Ý¼º 1±Þ ¾ç¾Ç Ä¡¼º Àüµ¹ ȯÀÚÀÇ Ä¡Çè·Ê

Indirect palatal skeletal anchorage (PSA) for treatment of skeletal Class 1 bialveolar protrusion

Korean Journal of Orthodontics 2004³â 34±Ç 5È£ p.458 ~ 464
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Abstract

±³Á¤Ä¡·á¿¡ À־ °íÁ¤¿øÀÇ Á¶ÀýÀº ¸Å¿ì Áß¿äÇÑ ¿ä¼ÒÀ̸ç, »ó¾Ç¿¡¼­ ƯÈ÷ ±×·¯ÇÏ´Ù. À̸¦ ¾ò±â À§ÇØ ¸¹Àº ³ë·ÂÀ» ÇØ ¿ÔÀ¸³ª ´ëºÎºÐÀÌ È¯ÀÚÀÇ ÇùÁ¶¿¡ ´ëÇÑ ÀÇÁ¸ÀÌ ÇʼöÀûÀ̾ú±â ¶§¹®¿¡ °íÁ¤¿ø º¸°­¿¡ ´ëÇÏ¿© È®½ÅÇÒ ¼ö ¾ø¾ú´Ù. ÇÏÁö¸¸ ÃÖ±Ù skeletal anchorage¸¦ ÀÌ¿ëÇÏ¿©, ȯÀÚÀÇ ÇùÁ¶¸¦ ÃÖ¼ÒÈ­ Çϸ鼭µµ º¸´Ù È¿°úÀûÀ¸·Î °íÁ¤¿ø º¸°­À» ÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ ½ÃÇàµÇ°í ÀÖ´Ù. ¶ÇÇÑ °ú°ÅÀÇ °ñ À¶ÇÕ¼º ÀÓÇöõÆ®¿Í ´Þ¸® ¹Ì´Ï ½ºÅ©·ù´Â ±¸°­ ³»ÀÇ ¾î´À ºÎÀ§¿¡³ª ½Ä¸³ÇÒ ¼ö ÀÖÀ» Á¤µµ·Î ½Ä¸³ ºÎÀ§ÀÇ Á¦ÇѼºÀÌ Àû´Ù´Â ÀåÁ¡ÀÌ ÀÖ´Ù.
ÀúÀÚ´Â titanium miniscrews¸¦ ±¸°³ Á¤ÁߺÎÀÇ ¾à°£ Ãø¹æ¿¡ ½Ä¸³ÇÏ°í, indirect active P.S.A.(palatal skeletal anchorage)¸¦ ÀÌ¿ëÇÏ¿© Ä¡·áÇÑ °á°ú »ó¾Ç ±¸Ä¡ºÎ¿¡¼­ÀÇ °íÁ¤¿ø º¸°­À» ¾òÀ» ¼ö°¡ ÀÖ¾ú´Ù. ÀÌ Ä¡·á °á°ú·Î º¸¾Æ PSA´Â »ó¾Ç ±¸Ä¡ºÎÀÇ °íÁ¤¿ø º¸°­ ¿ªÇÒÀ» ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÇ¸ç, ¶ÇÇÑ transpalatal arch systemÀÇ ´Ù¾çÇÑ designÀ» ÀÀ¿ëÇÑ´Ù¸é È¿À²ÀûÀÎ Ä¡¾Æ À̵¿À» Çϴµ¥ ¸¹Àº µµ¿òÀÌ µÉ °ÍÀ¸·Î »ý°¢µÈ´Ù.

Anchorage plays an important role in orthodontic treatment, especially in the maxillary arch. In spite of many efforts for anchorage control, it was difficult for clinicians to predict the result of treatment because most of the treatment necessitated an absolute compliance of patients. But recently, skeletal anchorage has been used widely because it does not necessitate patient compliance but produces absolute anchorage. In addition, titanium miniscrews have several advantages such as ease of insertion and removal, possible immediate loading and use in limited implantation spaces.
In this case, a skeletal Class ¥° bialveolar protrusion patient was treated with standard edgewise mechanics using indirect active P.S.A.(palatal skeletal anchorage). The miniscrews in the paramedian area of the hard palate provided anchorage for retraction of the upper anterior teeth and remained firm and stable throughout treatment. This indicates that the PSA can be used to reinforce anchorage for orthodontic treatment in the maxillary arch.
Consequently, this new approach can help effective tooth movement without patient compliance, when used with various transpalatal arch systems.

Å°¿öµå

±¸°³Ãø °ñ°Ý¼º °íÁ¤¿ø;¹Ì´Ï ½ºÅ©·ù;Ȳ±¸°³ ¾ÆÄ¡;PSA(palatal skeletal anchorage);Miniscrew;Modified transpalatal arch

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