This fact is from Complete Denture Impressions & Border Molding in Prosthodontics. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Primary impression = Alginate or Impression compound in stock tray
Secondary impression = ZOE paste or Elastomers in custom tray
Border molding sequence: Posterobuccal then Distobuccal then Anterobuccal
Green stick compound for border molding
Mucostatic impression = minimal tissue displacement
Mucocompressive impression = functional tissue displacement.