Maxillofacial Plastic and Reconstructive Surgery

Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
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The Effect of ER:YAG Laser & ER,CR:YSGG Laser on the Tissue of the Inflammation-Induced Mouse

Er:YAG 레이저와 Er,Cr: YSGG 레이저가 염증유발 마우스조직에 미치는 영향

  • Park, Tae-Il (Hallym University) ;
  • Lee, Hyung-Seok (Hallym University) ;
  • Lee, Hee-Jong (Hallym University) ;
  • Chae, Chang-Hoon (Graduate school of clinical dentistry, Hallym University) ;
  • Lee, Young-Joo (Department of Oral & Maxillofacial Surgery, Kang-dong Sacred Heart Hospital, College of Medicine, Hallym University) ;
  • Byeon, Kwang-Seob (Department of Oral & Maxillofacial Surgery, Kang-dong Sacred Heart Hospital, College of Medicine, Hallym University) ;
  • Hong, Soon-Min (Department of Oral & Maxillofacial Surgery, Kang-dong Sacred Heart Hospital, College of Medicine, Hallym University) ;
  • Choi, Mee-Ra (Department of Prosthodontics, Kang-dong Sacred Heart Hospital, College of Medicine, Hallym University) ;
  • Park, Jun-Woo (Department of Oral & Maxillofacial Surgery, Kang-dong Sacred Heart Hospital, College of Medicine, Hallym University)
  • 박태일 (한림대학교 의학과 대학원) ;
  • 이형석 (한림대학교 의학과 대학원) ;
  • 이희종 (한림대학교 의학과 대학원) ;
  • 채창훈 (한림대학교 의학과) ;
  • 이영주 (한림대학교 임상치의학 대학원) ;
  • 변광섭 (한림대학교 의과대학강동성심병원 구강악안면외과) ;
  • 홍순민 (한림대학교 의과대학강동성심병원 구강악안면외과) ;
  • 최미라 (한림대학교 의과대학강동성심병원 보철과) ;
  • 박준우 (한림대학교 의과대학강동성심병원 구강악안면외과)
  • Received : 2010.05.24
  • Accepted : 2010.08.14
  • Published : 2010.09.30
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Abstract

Purpose: This study was performed to find out the effects of the Er:YAG laser (Key Laser) & Er,Cr:YSGG laser (Water Laser) on inflammatory tissues. Materials and Methods: It was performed on about 20 g, 6 weeks male ICR mouses. They were grouped into the control (negative), the inflammation induced 'control'(positive), Er,Cr:YSGG laser exposured group after inducing inflammation, Er:YAG lasere exposured group after inducing inflammation each 15 mouses. The mouses were applicated 0.5% DNFB 1 cc on ear skin twice a day for 4 days until symptom expression. After laser exposure, ear tissues were extracted and defined gene expression by RT-PCR. Then, tissue staining, lymphocytes observation, electromicroscophic laboratory were carried out. Results: Interleukin-$1{\beta}$ was expressed much less in the A-laser exposed group. Interleukin-$1{\beta}$ & Tumor Necrosis Factor-${\alpha}$ were expressed 7 times lesser in the A-laser exposed group. The number of Lymphocytes related to inflammation was decreased rapidly in the A-laser exposed group in vivo. he number of cavity recovered normal was a little bigger in the A-laser exposed group after 5 days Conclusion: The expression of IL-$1{\beta}$ & TNF-${\alpha}$, hitologic change, observation with electron microscope shows that Erbium laser exposure causes lesser inflammation with A-laser rather than B-laser.

Keywords

References

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