In natural teeth, the disclusion of teeth during excursions can be critical. Every effort should be made to produce as many balanced contacts during the arrangement of the denture teeth. Condyles in CO position as dictated by the patient's teeth. Maxmium interdigitation of denture teeth. When anterior teeth slide into protrusion, - posterior teeth disclude .
Posterior contacts are undesirable during protrusive movements.
This posterior separation of the teeth is due to the patient's condylar inclination and anterior guidance. Balanced posterior contacts are desirable during protrusive movements. Accurate working side contacts prevent deflective contacts on the balancing side. Cross tooth contacts are incorporated on all posterior teeth. Accurate working side contacts should NOT prevent contacts on the balancing side.