求翻译：外源性FGF18 能促进成牙本质样细胞的增殖和碱性磷酸酶活性, 一定程度上反映了FGF18 能参与牙胚的发育和分化, 但其具体机制, 仍需进一步研究.是什么意思？

Exogenous fgf18 can promote into dentin-like cell proliferation and alkaline phosphatase activity, to a certain extent reflects the fgf18 can be involved in tooth germ development and differentiation, but the exact mechanism requires further study.

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Exogenetic FGF18 can promote the tooth essence type cell multiplication and the alkalinity phosphoric acid enzyme activity, in certain degree had reflected FGF18 can participate in the tooth germ the growth and the differentiation, but its concrete mechanism, still had further to study.

Exogenous FGF18 promotes odontoblast-like cell proliferation and alkaline phosphatase activity, partly reflecting FGF18 to participate in the development and differentiation of tooth germ, but its specific mechanism, further research is needed.

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