Full Mouth Rehabilitation a challenging procedure for Prosthodontics it requires knowledge & skills. It requires Meticulous use of instrument like Articulator and face bows. Articulators accept facebow record, Centric Jow Relation Record, protrusion record, lateral record and inter condylar distance record.Centric relation record is the most important step in Full Mouth Rehabilitation procedure. Normal swallowing accurs in centric relation. Patient appear to function comfortably in Centric Relation.