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¼º°ß¿¡ ½Ä¸³µÈ sandblasted and large-grit and acid-etched ÀÓÇöõÆ®¿¡¼­ N-acetyl cysteine(NAC)ÀÇ Å¾Àç°¡ ÁÖÀ§ °ñÇü¼º¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÑ ¼±Ç࿬±¸

The Effect of N-acetyl cysteine (NAC) loading on the bone formation surrounding sandblasted and large-grit and acid-etched implants in the dog: A pilot study

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¼­Àç¹Î, ±èÀÎÁÖ, ¹è¹Î¼ö, ÀÌÁ¤Áø, ¾È½Â±Ù,
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¼­Àç¹Î ( Seo Jae-Min ) - Chonbuk National University School of Dentistry Department of Prosthodontics
±èÀÎÁÖ ( Kim In-Ju ) - Chonbuk National University School of Dentistry Department of Prosthodontics
¹è¹Î¼ö ( Bae Min-Soo ) - Chonbuk National University School of Dentistry Department of Prosthodontics
ÀÌÁ¤Áø ( Lee Jung-Jin ) - Chonbuk National University School of Dentistry Department of Prosthodontics
¾È½Â±Ù ( Ahn Seung-Geun ) - Chonbuk National University School of Dentistry Department of Prosthodontics

Abstract

¸ñÀû: N-acetyl cysteine (NAC)¸¦ žÀçÇÑ sandblasted and large-grit and acid-etched (SLA) ÀÓÇöõÆ®¸¦ ¼º°ß¿¡ ½Ä¸³ÇÑ ÈÄ, Á¶Á÷ÇüÅÂÇÐÀû ºÐ¼®À» ÅëÇÏ¿© NAC°¡ SLA ÀÓÇöõÆ® ÁÖÀ§ÀÇ Ãʱ⠰ñÇü¼º¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù.

Àç·á ¹× ¹æ¹ý: NAC žÀç ¿©ºÎ¿¡ µû¶ó 2°³ÀÇ ½ÇÇ豺À¸·Î ±¸¼ºÇÏ¿´À¸¸ç, SI ±ºÀº NAC¸¦ žÀçÇÏÁö ¾ÊÀº SLA ÀÓÇöõÆ®·Î, NSI ±ºÀº NAC¸¦ žÀçÇÑ SLA ÀÓÇöõÆ®·Î ¼³Á¤ÇÏ¿´´Ù. 4¸¶¸®ÀÇ ¼ºÃ¼ ºñ±Û °ß¿¡ µÎ ½ÇÇ豺ÀÇ ÀÓÇöõÆ®¸¦ ½Ä¸³ÇÏ°í(°¢ ±º´ç n = 8) ¼ú ÈÄ 3ÁÖ¿Í 6ÁÖ¿¡ °¢°¢ 2¸¶¸®ÀÇ ºñ±Û °ßÀ» Èñ»ýÇÏ¿© ½Ä¸³µÈ ÀÓÇöõÆ® ¸Å½Äü¿Í ÁÖÀ§ °ñ Á¶Á÷À» äÃëÇÏ¿´´Ù. Á¶Á÷ Ç¥º»À» Á¦ÀÛÇÏ°í Á¶Á÷ÇüÅÂÇÐÀû °Ë»ç¸¦ ÅëÇØ °ñ-ÀÓÇöõÆ® Á¢ÃË·ü ¹× °ñ¸éÀûºñÀ²À» °è»êÇÏ¿´´Ù. NAC žÀç ¿©ºÎ¿¡ µû¸¥ °¢ ½ÇÇ豺°£ °ñ-ÀÓÇöõÆ® Á¢ÃË·ü°ú °ñ¸éÀûºñÀ²ÀÇ À¯ÀǼºÀ» ¾Ë¾Æº¸±â À§ÇØ µ¶¸³Ç¥º» t°ËÁ¤À» ÀÌ¿ëÇÑ Åë°èºÐ¼®À» ½ÃÇàÇÏ¿´´Ù(¥á = .05).

°á°ú: 3ÁÖÂ÷ÀÇ °æ¿ì NAC¸¦ žÀçÇÑ SLA ÀÓÇöõÆ®°¡ ÀÏ¹Ý SLA ÀÓÇöõÆ®º¸´Ù ¾à 1.5¹è ³ôÀº °ñ-ÀÓÇöõÆ® Á¢ÃË·üÀ» º¸¿´À¸³ª Åë°èÀû À¯ÀǼºÀº ¾ø¾ú´Ù (51.79 vs 35.43%; P = .185). °ñ¸éÀû ºñÀ²¿¡¼­´Â NAC¸¦ žÀçÇÑ SLA ÀÓÇöõÆ®°¡ ÀÏ¹Ý SLA ÀÓÇöõÆ®º¸´Ù Åë°èÀûÀ¸·Î À¯ÀǼº ÀÖ°Ô ³ôÀº °á°ú °ªÀ» º¸¿´´Ù(45.09 vs 37.57 %; P = .044). 6ÁÖÂ÷ÀÇ °æ¿ì °ñ-ÀÓÇöõÆ® Á¢ÃË·ü°ú °ñ¸éÀû ºñÀ² ¸ðµÎ¿¡¼­ NAC¸¦ žÀçÇÑ SLA ÀÓÇöõÆ®¿Í ÀÏ¹Ý SLA ÀÓÇöõÆ®°¡ ºñ½ÁÇÑ °á°ú °ªÀ» º¸¿´´Ù(P > .05).

°á·Ð: º» ½ÇÇèÀÇ ÇÑ°è ³»¿¡¼­ NAC´Â SLA ÀÓÇöõÆ® ÁÖÀ§ÀÇ Ãʱ⠰ñÇü¼º¿¡ ±àÁ¤ÀûÀÎ ¿µÇâÀ» ¹ÌħÀ¸·Î½á ÀÓÇöõÆ®ÀÇ °ñÀ¯Âø±â°£À» ´ÜÃà½ÃÅ°°í ÇÏÁß ºÎ´ã½Ã±â¸¦ ¾Õ´ç±â´Â µ¥¿¡ ±â¿©ÇÒ °ÍÀ̶ó°í »ç·áµÈ´Ù.

Purpose: The aim of the present study was to investigate the effects of N-acetyl cysteine (NAC) loading on the bone formation surrounding sandblasted, large-grit and acidetched (SLA) implants.

Materials and methods: Implantation of NAC loaded SLA implants (NSI group) and SLA implants (SI group) was performed bilaterally in the mandible of 4 adult beagle dogs (each group, n = 8). The animals were sacrificed after a healing period of 3 and 6 weeks, respectively (n = 2 animal each). Dissected blocks were processed for histomorphometrical analysis. Bone to implant contact percentage (BIC%) and bone volume (BV%) were assessed histomorphometrically.

Results: BIC% of NAC loaded SLA implants were about 50% higher than that of SLA implants at 3 weeks of bone healing, but not significantly (51.79 vs 35.43%; P=.185). BV% of NAC loaded SLA implants were significantly higher than that of SLA implants at 3 weeks of bone healing (45.09 vs 37.57 %; P=.044). At 6 weeks of bone healing, BIC% and BV% of two experimental groups were similar (P>.05).

Conclusion: Within the limits of the present study, NAC loading have a positive effects on the early bone formation surrounding SLA implants. So, it might be concluded that NAC loading enhance the osseointegration and shorten the healing time after implantation of the SLA implants.

Å°¿öµå

ÀÓÇöõÆ®; N-acetyl cysteine (NAC); Sandblasted and large-grit and acid-etched
Implant; N-acetyl cysteine (NAC); Sandblasted and large-grit and acid-etched

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