Journal of Korean Dental Science

Korean Academy of Dental Science (대한치의학회)
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Effect of Low Level Laser Irradiation on Osteoblast Cell Proliferation and Differentiation after Implant Placement

  • Oh, Min-Seok (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Kim, Su-Gwan (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Kim, Hak-Kyun (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Moon, Seong-Yong (Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University) ;
  • Lim, Sung-Chul (Department of Pathology, School of Medicine, Chosun University) ;
  • Son, Jun-Sik (Department of Biomedical Engineering, University of Texas at San Antonio)
  • Published : 2009.06.30
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Abstract

Objective : The purpose of this study was to evaluate the effects of low level lasers on bone healing and new bone formation around titanium dental implants in canine models. 18 oxidized surface treated implants and a Dens-bio laser were used. Study design : Low level lasers were irradiated with a total of 8J for 4 minutes by pulse wave type and 1 minute by continuous type. For the experimental group, a low level laser was used to irradiate the first premolar implant's insertion area at the time of insertion, a low level laser was used to irradiate the second premolar implant's insertion area daily for one week after implant insertion, and a low level laser was used to irradiate the third molar implant's insertion area daily for 2 weeks postoperatively. At the conclusion of the study, sacrificed tissue sections were made from investing tissue and observed under an optical microscope. Results : The rate of new bone formation around the implant showed no significant difference between the control group and the experimental group. New bone formation rates of the control and experimental group 2 weeks following implant placement were higher than that of immediately after implant placement and 1 week after implant placement. Conclusions : Based on these results, a low-level laser showed no statistically significant increase in bone formation following implant placement.

Keywords

References

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