Àá½Ã¸¸ ±â´Ù·Á ÁÖ¼¼¿ä. ·ÎµùÁßÀÔ´Ï´Ù.

½É¹Ì ºê¶óÄÏÀÇ Á¾·ù¿Í ºê¶óÄÏ-È£¼± °¢µµ¿¡ µû¸¥ ¸¶Âû ÀúÇ׿¡ ´ëÇÑ ¿¬±¸

Evaluation of friction of esthetic brackets according to different bracket-wire angulations

Korean Journal of Orthodontics 2007³â 37±Ç 5È£ p.341 ~ 350
Á¦¿µÁö, Àå¹ÎÈñ, ÀÓ¿ë±Ô, À̵¿·Ä,
¼Ò¼Ó »ó¼¼Á¤º¸
Á¦¿µÁö ( Je Young-Ji ) - °í·Á´ëÇб³ ´ëÇпø
Àå¹ÎÈñ ( Chang Minn-Hii ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø
ÀÓ¿ë±Ô ( Lim Yong-Kyu ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ±³Á¤°ú
À̵¿·Ä ( Lee Dong-Yul ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ±³Á¤°ú

Abstract

º» ½ÇÇèÀº ¸¶Âû·ÂÀ» ÁÙÀÌ°í ¹°¸®Àû ¼ºÁúÀ» °³¼±ÇÏ¿© ÃÖ±Ù¿¡ °³¹ßµÈ ¼ö Á¾ÀÇ ½É¹Ì ºê¶óÄϵé°ú ±³Á¤ ź¼±°£¿¡ ¹ß»ýÇÏ´Â ¸¶Âû·ÂÀÇ Å©±â¸¦ ÃøÁ¤, ºñ±³ÇØ º¸°íÀÚ ÇÏ¿´´Ù. ÀÏ¹Ý ½½·ÔÀÇ ¼¼¶ó¹Í ºê¶óÄÏÀÎ Inspire, Signature III¿Í Cristaline V, ½ºÅ×Àη¹½º ½ºÆ¿ (SS) ½½·ÔÀ» °¡Áø ¼¼¶ó¹Í ºê¶óÄÏÀÎ Clarity, °ñµå ½½·ÔÀ» °¡Áø Luxi II, polyoxymethylene °è¿­ÀÇ Çöó½ºÆ½ ºê¶óÄÏÀÎ Brillant, SS ½½·ÔÀ» °¡Áø ÄÄÆÄÁþ ºê¶óÄÏÀÎ Spirit MB, ±Ý¼Ó ºê¶óÄÏÀÎ Integra¸¦ »ç¿ëÇÏ¿© 018"¿øÇüÀÇ ±³Á¤ ź¼±¿¡ $0^{\circ}$, $4^{\circ}$, $8^{\circ}$ÀÇ tip angulationÀ» ºÎ¿©ÇÏ°í elastic module·Î °áÂûÇÑ µÚ Àΰø Ÿ¾× »óÅ¿¡¼­ È°ÁÖÀ̵¿ ÇÒ ¶§ÀÇ ¿îµ¿ ¸¶Âû·ÂÀ» ÃøÁ¤ÇÏ¿´´Ù. ¿¬±¸ °á°ú ½½·Ô¿¡ silica ó¸®µÈ ¼¼¶ó¹Í ºê¶óÄÏ (CR)ÀÌ À¯ÀÇÇÏ°Ô ³·Àº ¸¶Âû·ÂÀ» º¸¿´°í (p < 0.05), ´Ü°áÁ¤ ¼¼¶ó¹Í ºê¶óÄÏÀÌ (IN) À¯ÀÇÇÏ°Ô Å« ¸¶Âû·ÂÀ» º¸¿´´Ù (p < 0.05). Çöó½ºÆ½ ºê¶óÄÏÀÎ polyoxymethylene °è¿­ÀÇ BRÀÌ ³·Àº ¸¶Âû·Â ¾ç»óÀ» º¸¿´°í ÀÌ´Â ±Ý¼Ó ºê¶óÄÏ°ú À¯»çÇÏ¿´´Ù. ¸ðµç ºê¶óÄÏ¿¡¼­ ºê¶óÄÏ-ź¼± °¢µµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó À¯ÀÇÇÏ°Ô ¸¶Âû·ÂÀÌ Áõ°¡ÇÏ¿´À¸³ª ÁÖ»çÀüÀÚÇö¹Ì°æ»ó¿¡¼­ ź¼±À̳ª ºê¶óÄÏ¿¡ ¼Õ»óÀº ¹ß°ßµÇÁö ¾Ê¾Ò´Ù. ¸¶Âû·ÂÀÇ ¾ç»óÀÌ ºê¶óÄÏÀÇ ÀçÁú·Î ÃßÃøÇÒ ¼ö ÀÖ´Â °Í°ú´Â ´Ù¸£°Ô ³ªÅ¸³­ °á°ú·Î º¸°Ç´ë ½É¹Ì ºê¶óÄÏÀÌ ½ºÅ×Àη¹½º ½ºÆ¿ ºê¶óÄÏ¿¡ ºñÇØ ¸¶Âû·Â ¸é¿¡¼­´Â ¿ÀÈ÷·Á ¿ì¼öÇϰųª Å« Â÷ÀÌ°¡ ¾øÀ¸¹Ç·Î ÀÓ»óÀûÀ¸·Î´Â ¸¶Âû·ÂÀº Å©°Ô °í·ÁÇÏÁö ¾Ê¾Æµµ µÇ°Ú´Ù.

The purpose of this study was to evaluate how the friction that occurs during the sliding movement of the archwire through esthetic brackets is differently affected by bracket materials, slot designs, and tip angulations of the archwire.

Methods: Eight types of brackets with 0.018 inch slots (composite: Brillant (BR); composite with metal slot: Spirit MB (SP); ceramic: Inspire (IN), Signature (SI), Cristaline V (CR); ceramic with metal slot: Clarity (CL), Luxi II (LU); and metal bracket: Integra (IT)), and placed into groups of 20 brackets in each group, were tested in artificial saliva with 0.018 inch stainless steel wire. The wire tip angulations were given as 0, 4 and 8 degrees.

Results:CR group significantly showed the lowest frictional force with all wire tip angulations of 0,4, and 8 degrees. IN significantly showed the highest frictional force (p < 0.001). BR (polyoxymethylene) had significantly less frictional force than SP (polycarbonate) (p < 0.001) and showed no significant difference between metal brackets. Friction was increased as the wire tip angulations were increased, but no notches were observed on any parts of the archwire.

Conclusions: According to the results of this study, esthetic brackets are superior or similar to 55 brackets from a frictional point of view.

Å°¿öµå

½É¹Ì ºê¶óÄÏ;¸¶Âû·Â;ºê¶óÄÏ-È£¼± °¢µµ
Esthetic bracket;Friction;Wire tip angulation

¿ø¹® ¹× ¸µÅ©¾Æ¿ô Á¤º¸

  

µîÀçÀú³Î Á¤º¸

SCI(E)
KCI
KoreaMed