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Orthodontic Bonding ( 8 ) |
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Debonding
Debonding½Ã¿¡´Â Á¤È®ÇÑ techniqueÀ» Àû¿ëÇÔÀ¸·Î½á iatrogenic damage¸¦ ÁÖÁö ¾Ê´Â °ÍÀÌ °ü°ÇÀÌ´Ù.
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1. bracket removal = orignal mothod twin beak plierÀÇ tipÀ» bracket baseÀÇ mesial and distal edge¿¡ ´ë°í tooth surface¿Í base¸¦ ºÐ¸®ÇÑ´Ù. = gentler method bracket wingÀ» mesiodisral·Î Àâ°í °¡º±°Ô squeezeÇÏ¿© Á¦°ÅÇÑ´Ù. brittle, mobile, endodontically treated tooth¿¡ À¯¿ëÇÑ ¹æ¹ý = recent technique anterior bracket remover»ç¿ëÇÏ¿© º¯Çü ¾øÀÌ Á¦°Å tipe of force - peeling type force - shearing type force
2. removal of adhesive ¸¹Àº °æ¿ì¿¡ colorÀÇ À¯»ç¼º ¶§¹®¿¡ ºÒ¿ÏÀüÇÏ°Ô Á¦°ÅµÈ »óÅ·ΠÁö´Ï°Ô µÈ´Ù.
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¨ç Scraping : - supersharp bracket removeing plier, scaler - useful for curved tooth less useful for flat anterior tooth - risk for scratch mark ¨è bur : dome shaoed TC bur - # 1172, 1171, 1171L contrangle adequate speed - 30,000 rpm light painting movement ¨é polishing tooth surface : optional step pumice - prophylactic paste
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