Objectives The aims of this study were to develop a German version of the Child Perceptions Questionnaire for children aged 8 to 10 years (CPQ-G8-10), a measure of oral health-related quality of life, and to assess the instrument's reliability and validity. Methods The original English version of the CPQ8-10 questionnaire was translated into German (CPQ-G8-10) by a forwardbackward translation method. A total of 409 8-to 10-year-old children who were recruited at the Department of Paediatric Dentistry in Vienna, Austria, participated in this study. The children self-completed the CPQ-G8-10 and were clinically examined for the presence of dental caries and plaque accumulation. Reliability of CPQ-G8-10 was investigated in a subsample of 58 children after 3 weeks. Results Questionnaire summary score test-retest reliability was 0.85 (intraclass correlation coefficient, 95% confidence interval (CI) ranging from 0.75 to 0.91) and internal consistency was 0.88 (Cronbach's alpha, lower limit of the 95% CI: 0.87). Validity of the CPQ-G8-10 questionnaire was supported by correlation coefficients with global ratings of oral health of − 0.40 (95% CI − 0.49 to − 0.31) and overall well-being of − 0.26 (95% CI − 0.33 to − 0.13) which met the expectations. Mean CPQ-G8-10 scores were statistically significantly higher in children with caries (dmft+DMFT > 0) compared with caries-free children (p = 0.02). Conclusions The German version of the CPQ8-10 was found to be reliable and valid in children aged 8 to 10 years. Clinical relevance These findings enable assessments of oral health-related quality of life in German speaking 8-to 10-year-old children.
Objectives The aim of this study was to investigate the changes in oral health-related quality of life (OHRQoL) before and after treatment of hypersensitive molars affected by molar incisor hypomineralization (MIH) with a sealing. Methods Thirty-eight children with two MIH-affected molars showing hypersensitivity and non-occlusal breakdowns were included. Hypersensitivity was assessed with an evaporative (air) stimulus. Two affected teeth were sealed by two calibrated operators using a split-mouth design: Clinpro Sealant in combination with Scotchbond Universal, and Ketac Universal (3M), respectively. OHRQoL was measured using the German version of the CPQ8–10 (CPQ-G8–10) at baseline, and after 1, 4, 8, and 12 weeks, respectively. Results The CPQ total score decreased significantly from a mean of 14.7 (±5.9) to 6.4 (±4.7) (p < 0.001) 1 week after treatment revealing improved OHRQoL. After 12 weeks, OHRQoL improved again proven by a decreased mean score of 2.7 (±3.2). Conclusions Sealing of hypersensitive MIH-affected molars revealed a significant improvement of OHRQoL immediately and throughout the 12-week follow-up. Clinical relevance Hypersensitivity can be a major complaint in patients with MIH. This is the first study evaluating the effect of sealing on OHRQoL in affected patients.
Objectives The aim of this study was to compare the efficacy in reducing hypersensitivity in molar incisor hypomineralization (MIH)-affected molars immediately and over 12 weeks after sealing using two different materials (composite and glass ionomer). Furthermore, the retention rates of both materials were analyzed. Methods Thirty-nine children with two MIH-affected molars showing hypersensitivity and non-occlusal breakdowns were included. Hypersensitivity was assessed with an evaporative (air) stimulus. Both teeth were sealed by two calibrated operators using a split-mouth design with either Clinpro Sealant in combination with Scotchbond Universal (C) or Ketac Universal (K), respectively. Clinical pain assessments (Schiff Score Air Sensitivity Scale [SCASS], Visual Analog Scale [VAS]) were made at baseline (“pre”), immediately after treatment (“post”), and after 1, 4, 8, and 12 weeks. Paired t tests were calculated in each group between baseline and all other time points. Results Thirty-eight children with 76 molars completed all stages of the study. Regardless of the material used, the application of the sealant decreased hypersensitivity significantly immediately as well as throughout the 12-week recalls (all p values < 0.001). We found no statistically significant difference among both materials chosen in any of the time points evaluated. Furthermore, retention of both materials was comparable in both groups. Conclusions Both sealant materials were able to reduce hypersensitivity successfully immediately and throughout the 12-week follow-up. Furthermore, their performance was similar in terms of retention. Clinical relevance Hypersensitivity can be a major complaint in patients with MIH. This is the first study evaluating hypersensitivity relief of MIH-affected molars using two sealing techniques.
Objectives The influence of the administration method used to collect oral health–related quality of life (OHRQoL) in children remains largely unknown. The aim of this study was to determine whether the OHRQoL information obtained using the Early Childhood Oral Health Impact Scale (ECOHIS) differed with different methods of data collection (face-to-face interview, telephone, or self-administered questionnaire). Materials and methods The OHRQoL of 38 preschool children, aged 1 to 5 years, was measured using the German version of the ECOHIS. The instrument was administered to the caregivers of these children using three different methods, with an interval of 1 week between each administration. Test-retest reliability for the repeated ECOHIS-G assessments across the three methods of administration, agreement, and convergent validity was determined. Results Kappa coefficients for agreement between two different methods of administration, respectively, ranged from moderate to substantial (0.47 to 0.65). Test-retest reliability was moderate (ICC 0.65–0.79). Conclusion In conclusion, the three methods of administration (face-to-face interview, telephone interview, or self-administered questionnaire) of the ECOHIS-G were comparable in 1- to 5-year-old preschool children. Clinical relevance All three methods of administration can be used to obtain valid and reliable OHRQoL information in German speaking countries.
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