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Year : 2012  |  Volume : 6  |  Issue : 2  |  Page : 40-45

Histopathological examination of oral mucosal incisions welded by 980 nm Diode Laser in vivo

Department of Physics, College of Education and Pure Science, University of Kirkuk, Ministry of Higher Education, Iraq

Correspondence Address:
Balsam M Mirdan
Institute of Laser / University of Baghdad, Baghdad
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-2868.106639

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Continuous mode of operation (CW)980 nm Laser tissue welding has been studied for full thickness incisions on the oral cavity of the rabbit in vivo. Materials and Methods: Surgical incisions were done on the hard palate of the rabbits; the incisions were irradiated with 980 nm diode laser, 0.63 W as an output power and 27 s as an exposure time. Results: The immediate clinical results have shown a hemostasis of the bleeding, while the histopathological examination showed comparable results though it revealed a fastened healing pattern in comparison with the sutured incisions. Discussion: The immediately laser welded tissues was as a result of the denaturation and coagulation of the tissue proteins via the increase of the tissue temperature due to the laser-tissue photothermal interaction. Conclusion: The use of 980 nm diode laser in soft tissue welding is a successful method of wound closure in oral mucosa with the minimum side effects.

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