Inclusion Criteria: Inclusion Criteria  Patients seeking new conventional complete dentures for first time or as replacement of their previous complete dentures Patients aged 40-85 y. Patients who had been completely edentulous for at least 6 months Patients who had well developed to moderately resorbed maxillary and mandibular ridges Patients who had no denture fissuratum or any traumas from previous dentures Patients who had no relevant medical issues, disorders of the masticatory system, neuromuscular dysfunction, auditory problems, psychological or psychiatric conditions that can affect the response to treatment, oral pathology, xerostomia, or tied tongue condition. Patients had medical and dental insurance to cover the fees for construction of dentures by a Prosthodontic specialist  Patients who signed consent form  -  Exclusion Criteria:  -