The effects of combined low level laser therapy and mesenchymal stem cells on bone regeneration in rabbit calvarial defects

The effects of combined low level laser therapy and mesenchymal stem cells on bone regeneration in rabbit calvarial defects


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دانشگاه علوم پزشکی تبریز
دانشگاه علوم پزشکی تبریز

نویسندگان: آرمان محمدی شایان

کلمات کلیدی: Low Level Laser Therapy (LLLT) Bone regeneration Stem cell Animal study

نشریه: 21209 , , 151 , 2015

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نویسنده ثبت کننده مقاله آرمان محمدی شایان
مرحله جاری مقاله تایید نهایی
دانشکده/مرکز مربوطه دانشکده دندانپزشکی
کد مقاله 57933
عنوان فارسی مقاله The effects of combined low level laser therapy and mesenchymal stem cells on bone regeneration in rabbit calvarial defects
عنوان لاتین مقاله The effects of combined low level laser therapy and mesenchymal stem cells on bone regeneration in rabbit calvarial defects
ناشر 9
آیا مقاله از طرح تحقیقاتی و یا منتورشیپ استخراج شده است؟ بلی
عنوان نشریه (خارج از لیست فوق)
نوع مقاله Original Article
نحوه ایندکس شدن مقاله ایندکس شده سطح یک – ISI - Web of Science
آدرس لینک مقاله/ همایش در شبکه اینترنت http://www.sciencedirect.com/science/article/pii/S1011134415002420

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Objective: This study evaluated the effect of Low Level Laser Therapy (LLLT) and Mesenchymal Stem Cells (MSCs) on bone regeneration. Background data: Although several studies evaluated the effects of MSCs and LLLT, there is little information available regarding in vivo application of LLLT in conjunction with MSCs. Methods: Forty-eight circular bone defects (6 mm in diameter) were prepared in the calvaria of 12 New- Zealand white rabbits. The defects of each animal were randomly assigned to 4 groups: (C) no treatment; (L) applying LLLT; (SC) filled with MSCs; (SCL) application of both MSCs and LLLT. LLL was applied on alternate days at wavelength of 810 nm, power density of 0.2 W/cm2 and a fluency of 4 J/cm2 using a Gallium–Aluminum–Arsenide (GaAlAs) diode laser. The animals were sacrificed after 3 weeks and then histological samples were evaluated to determine the amount of new bone formation and the remaining scaffold and inflammation. Results: The histological evaluation showed a statistically significant increase in new bone formation of LLLT group relative to the control and the other two experimental groups (p < 0.05). There was no significant difference in bone formation of the control group compared to experimental groups filled with MSCs. Laser irradiation had no significant effect on resorption of the scaffold material. In addition, inflammation was significantly reduced in LLLT group compared to the control defects and the other two experimental groups. Conclusion: Low level laser therapy could be effective in bone regeneration but there is no evidence of a synergistic effect when applied in conjunction with MSCs.

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آرمان محمدی شایانهفتم

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The effects of combined low level laser therapy and mesenchymal stem cells on bone regeneration in rabbit calvarial defects.pdf1395/03/071538548دانلود