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Orofacial pain, functional limitations, psychosocial impacts, and concern about appearance are all dimensions of oral health-related quality of life. Consequently, OHRQoL is especially important for prosthodontics. OHRQoL is assessed by multiple-item questionnaires that ask about numerous symptoms, problems and social impacts. 49 items into seven dimensions were developed in the OHIP which was then verified among several different cultural circumstances. Evaluating baseline (To) immediately after treatment (T1) and after a longer observation time (T2), a decrease of symptoms and problems could be followed in prosthodontic care. Fastest improvement in patient satisfaction was observed in case of fixed partial denture wearers. The profile of pre- and post-treatment problems differed extensively among removable partial and complete denture wearers, and only minor problems were found after a longer time of adaptation. OHIP instrument seems to be a reliable indicator of change in oral health-related quality of life, for cultural circumstances deviated largely from each others.

Background: Prospective assessments of oral health-related quality of life (OHRQoL) changes are prone to response shift effects when patients reconceptualize, reprioritize, or recalibrate the perceived meanings of OHRQoL test items. If this occurs, OHRQoL measurements are not "invariant" and may reflect changes in problem profiles or perceptions of OHRQoL test items. This suggests that response shift effects must be measured and controlled to achieve valid prospective OHRQoL measurement. The aim of this study was to quantify response shift effects of Oral Health Impact Profile (OHIP) scores in prospective studies of prosthodontic patients.Methods: Data came from the Dimensions of Oral Health-Related Quality of Life Project. The final sample included 554 patients who completed the OHIP questionnaire on two occasions: pre- and post-treatment. Only items that compose the 14-item OHIP were analyzed. Structural equation models that included pre- and post-treatment latent factors of OHRQoL with different across-occasion constraints for factor loadings, intercepts, and residual variances were fit to the data using confirmatory factor analysis.Results: Data fit both the unconstrained model (RMSEA = .038, SRMR = .051, CFI = .92, TLI = .91) and the partially constrained model with freed residual variances (RMSEA = .037, SRMR = .064, CFI = .92, TLI = .92) well, meaning that the data are well approximated by a one-factor model at each occasion, and suggesting strong factorial across-occasion measurement invariance.Conclusions: The results provided cogent evidence for the absence of response shift in single factor OHIP models, indicating that longitudinal OHIP assessments of OHRQoL measure similar constructs across occasions. [ABSTRACT FROM AUTHOR]

Background: Aspects of oral health related quality of life (OHRQoL) attracted an increased attention recently. Objective: The aim of the study was to assess self-reported oral health related quality of life (OHRQoL) among patients requiring prosthetic rehabilitation and to determine the rate of improvement 1 month and 6-12 months after therapy. In addition, effect of age, gender, oral health indicators and denture types before treatment were assessed on OHRQoL as evaluated and reported by the patients. Methods: Hungarian version of OHIP-49 (OHIP-49-H) questionnaire was completed before oral rehabilitation (T0-phase) by 389 patients undergoing prosthetic replacement. After 1 month (T1-phase) and 6-12 months (T2-phase) recall periods 235 and 92 patients completed the questionnaire. The median interquartile range (IQR) values of the total OHIP-49-H score were calculated for T0-, T1- and T2-phases. Reliability of the questionnaire was checked by Cronbach's statistics. Age, gender, oral health indicators and denture types of patients before and after treatment were recorded and treatment-associated changes in OHRQoL were evaluated. Results: The study demonstrated the excellent reliability and internal consistency of OHIP-49-H by a high and narrow range of Cronbach's alpha value (0.81-0.93). A median OHIP-49-H score of 52; IQR = 25-83 demonstrated a poor OHRQoL on first admission. Decreasing median total OHIP-49-H scores 1 month (24; IQR = 9-51; p < 0.001) and 6-12 months (20; IQR = 7-37; p = 0,055) after therapy indicated an improvement of OHRQoL. Patients' age and CPI value assessed before treatment proved to be significant factors of OHRQoL. Conclusions: Here we presented representative data about self-assessed OHRQoL of patients requiring prosthetic treatment from Hungary using OHIP-49-H questionnaire. The results demonstrated that the restoration of oral health was associated with an improvement in patients' OHRQoL. According to the demographical and T0 phase clinical status, the treatment was more effective in the respect of OHIP-49-H score improvement among females (than among males), among younger (than among more aged), and among patients with more serious CPI assessed at T0. The type of prosthetic interventions did not exert a significant effect on total OHIP-49-H score, suggesting that the improvement in OHRQoL is independent from the type of denture applied. [ABSTRACT FROM AUTHOR]

Oral health-related quality of life (OHRQoL) is increasingly of interest in dentistry. The current internationally accepted instruments used to measure OHRQoL need to be cross-culturally adapted for use in other cultural environments. It was the aim of the present study to develop a Hungarian version of the Oral Health Impact Profile (OHIP-H) following accepted guidelines. The original English-language version was translated into Hungarian, back-translated into English, and tested for its psychometric properties. Construct validity was tested on 144 prosthodontic patients and 200 randomly selected subjects. A priori hypothesized associations between OHIP summary scores and self-reported oral health and six self-reported oral conditions were investigated. The pattern of the observed associations supported the new instrument's construct validity. Responsiveness tested in 28 oral surgery patients was indicated by a statistically significant mean OHIP score change from 39.2 to 23.0. Test–retest reliability was demonstrated by intraclass correlation coefficients of 0.81–0.90 for OHIP summary scores and subscales in 31 prosthodontic patients. Cronbach's alpha values between 0.71 and 0.96 proved to have high internal consistency. Adequate psychometric properties in typical patient populations make the new instrument suitable for assessment of OHRQoL in Hungary. [ABSTRACT FROM AUTHOR]