Author(s):  Jiro Abe  Description: When you follow the SEMCD (Suction-Effective Mandibular Complete Denture) procedure and remove the mandibular edentulous impression from patient’s mouth, you hear a suction-releasing “Pop” sound which you have never heard before. The moment you experience this sound, you can’t go back to the conventional impression technique using compound impression materials that you learnt at a dental school. For the last 15…