目的：探讨采用DMG枪式硅橡胶印模材料制取桩核根管印模的应用及护理配合体会。
Objective: To study the effect of DMG polysiloxane impression material in the restoration of the post and core crown.
结论：3种改良型亲水性硅橡胶印模材料经4种消毒液不同时间浸泡消毒处理后，其表面润湿性均有所降低。
Conclusion: The wettability of 3 types of modified hydrophilic silicone rubber impression materials decreased after immersion in 4 kinds of disinfectant solutions.
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