Abstract Guided Tissue Regeneration using collagen membrane was investigated by tetracycline fluorchrome labelling,which showed the dynamics of new alevolar bone and cementum formation.
对胶原膜引导牙周组织再生术后标本，采用四环
标记法，观察探讨了引导牙周组织再生术后牙槽骨及牙骨质形成过程中的钙化过程。
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，粉刺;Abstract Guided Tissue Regeneration using collagen membrane was investigated by tetracycline fluorchrome labelling,which showed the dynamics of new alevolar bone and cementum formation.
对胶原膜引导牙周组织再生术后标本，采用四环标记法，观察探讨了引导牙周组织再生术后牙槽骨及牙骨质形成过程中的钙化过程。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉样品中含有四环、差向异构四环和差向异构金霉杂质组分。
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