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  Orthodontic Bonding ( 8 )

 

 

 

Debonding

 

Debonding½Ã¿¡´Â Á¤È®ÇÑ techniqueÀ» Àû¿ëÇÔÀ¸·Î½á iatrogenic damage¸¦ ÁÖÁö ¾Ê´Â °ÍÀÌ °ü°ÇÀÌ´Ù.

 

< °úÁ¤ >

 

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.

 

< ¹æ¹ý >

 

¨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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