医用凡士林油在取印模中的应用祁凤敏每一位初诊的正畸病人都需要采取上下牙颌模型，以作工作和记存模型之用。临床工作中我们发现取印模前把少许的医用凡土林油涂抹在病人口周，获得了良好的效果。取印模前用医用凡士林油涂抹上下唇及口角，待１－２分钟后，选用合适托盘... Medical Vaseline oil in the impression of the application Qi Fengmin Every newly diagnosed orthodontic patients need to take the upper and lower jaw model to work and memory model. Clinical work we found that before taking the impression of a small amount of medicinal soil smear oil in the patient's mouth, and achieved good results. Take the medical Vaseline oil before applying the upper and lower lip lips and mouth, after 1-2 minutes, use the appropriate tray ...