EFFECT OF LOW-POWER HE - NE LASER IRRADIATION ON IMMOBILIZED TIBIA OF RABBIT

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BAYAT M.; RAKHSHAN M.; BAGHESTANI A.R.

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Journal: Daneshvar Medicine: Basic and Clinical Research Journal Year:2004 | Volume:11 | Issue:49 Page(s): 1-6

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Title

EFFECT OF LOW-POWER HE - NE LASER IRRADIATION ON IMMOBILIZED TIBIA OF RABBIT

Author(s)

BAYAT M. | RAKHSHAN M. | BAGHESTANI A.R. | Issue Writer Certificate

Keywords

LOW POWER LASERQ2

IMMOBILIZATIONQ4

BONEQ3

RABBIT HISTOLOGYQ3

Abstract

Bone tissue is atrophied in IMMOBILIZATION induced by osteoporosis because of loss of muscular activity and decreased weight bearing. Many researchers have revealed biostimulatory effects of low- power lasers (LPL). The aim of present study is evaluating LPL effect on immobilized tibia of rabbit. 15 male healthy adult rabbits were divided equally into experimental, control and normal groups. Under general anesthesia, hip, knee and ankle joints of control group and experimental group were immobilized by plaster of paris. No treatment was done on the rabbits of control and experimental groups at first week after casting. He – Ne LPL (energy density: 13.5 J/cm2) were irradiated to a fixed point cm of tibia of experimental group in second week (5 sessions) and during third to sixth week (3 sessions). Rabbits of the normal group had lived freely for the same time of the control and experimental group and there were not any casting on them. All rabbits were killed by cholorform at the end of sixth week A BONE sample was taken from fixed point of experimentalgroup and same place of control and normal groups. The samples were prepared for light microscopical study. Diaphyseal breadths were recorded and were analysed by ANOVA method. Histological changes of groups were recorded in control group, haversian systems were observed but there weren't any blood vessel and cell in the haversian chanals and osteocyte in the lacunae too. In the experimental group periosteum was thicker than control group and haversian systems were irregular. There were blood cells and osteocytes in the haversian chanals and osteocytes in lacunae. In the present investigation low - power laser not only neutralized adverse effects of IMMOBILIZATION but also increased periosteal thickness and remodiling activity.

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APA: Copy

BAYAT, M., RAKHSHAN, M., & BAGHESTANI, A.R.. (2004). EFFECT OF LOW-POWER HE - NE LASER IRRADIATION ON IMMOBILIZED TIBIA OF RABBIT. DANESHVAR MEDICINE, 11(49), 1-6. SID. https://sid.ir/paper/30569/en

Vancouver: Copy

BAYAT M., RAKHSHAN M., BAGHESTANI A.R.. EFFECT OF LOW-POWER HE - NE LASER IRRADIATION ON IMMOBILIZED TIBIA OF RABBIT. DANESHVAR MEDICINE[Internet]. 2004;11(49):1-6. Available from: https://sid.ir/paper/30569/en

IEEE: Copy

M. BAYAT, M. RAKHSHAN, and A.R. BAGHESTANI, “EFFECT OF LOW-POWER HE - NE LASER IRRADIATION ON IMMOBILIZED TIBIA OF RABBIT,” DANESHVAR MEDICINE, vol. 11, no. 49, pp. 1–6, 2004, [Online]. Available: https://sid.ir/paper/30569/en

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