OBJECTIVES: To assess the influence of psychological factors on the acceptance of complete dentures in a population wearing dentures judged to be clinically satisfactory. DESIGN: Subjects were asked to complete personality profiles and also to rate their dentures using a denture satisfaction questionnaire. SETTING: The survey was conducted in the prosthetics clinic of a teaching hospital. SUBJECTS: Patients were selected from those who had new complete dentures constructed in the department within the previous two years. INTERVENTION AND MAIN OUTCOME MEASURES: The personality inventory was a self-administered questionnaire comprising 240 items covering the five domains of personality. Denture satisfaction was scored on a nine item scale with four Likert type responses to each. RESULTS: A group of 16% consistently complained about their dentures. Statistical analysis showed that personality factors especially Neuroticism had a significant relationship with denture satisfaction. CONCLUSION: Psychological factors significantly influence denture satisfaction and profiles may provide useful in predicting potential difficult denture wearers.