Adolescent Adult Aged Aged, 80 and over Chi-Square Distribution Dental Restoration Failure Denture Design Denture Rebasing Denture Repair Denture Retention Denture, Overlay--adverse effects Denture, Partial, Immediate Female Health Services Needs and Demand Humans Jaw, Edentulous, Partially--rehabilitation Longitudinal Studies Male Mandible Maxilla Middle Aged Outcome and Process Assessment, Health Care Patient Satisfaction Retreatment Sex Factors