Methods To incubate the caries free permanent teeth with acid gelatinoid and/or collagenase, then to observe the ultrastructural change of root surface under scanning electron microscope .
方法将无龋恒牙分组经酸性胶液和胶原酶分别或
化处理后切割制样,脱水干燥,喷金,
描电镜观察根面超微结构的变化。
Methods To incubate the caries free permanent teeth with acid gelatinoid and/or collagenase, then to observe the ultrastructural change of root surface under scanning electron microscope .
方法将无龋恒牙分组经酸性胶液和胶原酶分别或化处理后切割制样,脱水干燥,喷金,描电镜观察根面超微结构的变化。
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