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A circular defect in each parietal bone of six Wislander rats was created. The animals were divided into two three-unit subgroups. The experimental group received infrared laser radiation on the left defect. The control group was sham irradiated. After 28 days, the bone metabolism was evaluated by technetium-99m methylene diphosphonate scintigraphy. The obtained results revealed no differences in bone metabolic activity between the laser-treated and the control defects.
