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The aim of this study is to evaluate the effects of replacing poorly fitting dentures on patient's masticatory function, satisfaction and oral health-related quality of life. Fourteen patients with conventional maxillary complete dentures and mandibular overdentures retained by two implants bar clip system had their dentures replaced. The laboratory tests for the analysis of masticatory performance were conducted using an "Optocal" food simulator test. Questionnaires were used to evaluate patient satisfaction with dentures and impact of oral health on quality of life. Tests were conducted and questionnaires were administered before and 1, 3 and 6 months after the patient had adapted to the new dentures. Masticatory performance data and satisfaction with dentures (Visual Analogic Scale) were statistically analyzed by ANOVA and Tukey b test, satisfaction with dentures (SATs P) and impact of oral health on quality of life were evaluated using the Wilcoxon and Friedman tests (a=.05). There was no statistically significant improvement in masticatory function after denture replacement, although better outcomes were observed. Satisfaction with dentures and total score obtained using the OHIPedent showed significant improvement. It can be suggested that the potential for grinding food, patient satisfaction and aspects of quality of life improved immediately after denture replacement., (Sociedad Argentina de Investigación Odontológica.)

Purpose: The aim of this study was to verify quality of life related to oral health and satisfaction with dentures. Conventional mandibular complete dentures were converted to overdentures retained by two implants with immediate loading (bar-clip system, n = 16)., Materials and Methods: The Brazilian short version of the Oral Health Impact Profile (OHIP-14Br) was used to evaluate the impact of oral health on quality of life. Satisfaction with the prostheses was obtained by means of a questionnaire addressing satisfaction with the present prostheses and through use of a visual analog scale (VAS)., Results: The results of the OHIP-14Br questionnaire were verified at 3 and 6 months after conversion from complete dentures to a mandibular overdenture. The satisfaction questionnaire for the mandibular prostheses obtained 43.75% satisfaction before conversion and 100% satisfaction at 1 week and 3 and 6 months after conversion. The satisfaction results of the prostheses, both maxillary and mandibular, were 68.75% before conversion, 93.75% at 1 week and 3 months after conversion, and 87.5% at 6 months. There was an immediate improvement in patients' satisfaction with the mandibular overdenture prostheses regarding stability and retention (Friedman test, P = .000) and quality of life (Friedman test, P = .001)., Conclusion: The improvement seen justifies the immediate loading approach used in this study.