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KMID : 0355219870120010017
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Journal of Korean Academy Oral Medicine
1987 Volume.12 No. 1 p.17 ~ p.26
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AN EXPERIMENTAL STUDY ON THE EFFEITS OF LOW POWER DENSITY LASER ON THE HUMAN GINGIVAL FIBROBLAST.
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Abstract
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In order to investigate the biostimulatory effect of low power density laser radiation in vitro, human gingival fibroblasts were cultured in MEM in which experiment groups respectively were made to 30 sec, 60 sec and 90 sec group. The experiments were performed by cell count, DNA and
protein content measurements after experimental groups were irradiatecl with GaAIAs laser every day by forth day and then control group and experimental groups were compared. The results were as follows:
2. When the protein contents were compared, there was a very significant increase in 90. sec. experimental group (P < 0.01).
Cell counts of experimental groups were increased with exposure time, but showed no significance (P > 0.05).
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