Objective: We assessed the clinical survival of a high-viscosity glass ionomer (HVGI) at the 2-year follow-up to restore molar incisors severely affected by hypomineralization after selective carious tissue removal (SCR). The null hypothesis tested was that there are no differences in the overall survival times in the categories of the variables of interest. Methods: A total of 134 fully erupted first molar incisors with hypomineralization, cavitated and with moderate-to-deep carious lesions without hypersensitivity or pain (MIH treatment need index 2a–c), were included in the study. HVGI (Equia Forte®; GC, Tokyo, Japan) restorations were applied after SCR to soft carious dentin. The follow-up lasted 2 years. The end point was defined as the absence of endodontic and restorative complications. Two-year, and 18-, 12-, and 6-month survival probabilities and standard errors were calculated using the Kaplan-Meier method. Survival probabilities according to patient gender, jaw, and lesion severity groups were compared using the log-rank test. Restorations were evaluated using the modified US Public Health Service criteria. Results: HVGI restorations showed cumulative survival probabilities of 95.5% at 6 months, 94% at 12 months, 87.5% at 18 months, and 87.5% at 24 months. Survival probabilities according to patient gender, jaw, and lesion severity groups were not statistically significantly different (p > 0.05). Therefore, the null hypothesis was accepted. Conclusion: Following SCR, HVGI restoration provided moderate survival probabilities, suggesting that the SCR technique is effective.
BACKGROUND: Within the scope of minimally invasive dentistry, the use of different biocompatible remineralization agents on incisors affected by molar-incisor hypomineralization (MIH) gains importance. OBJECTIVE: To evaluate the effect of casein phosphopeptide amorphous calcium fluoride phosphate (CPP-ACFP) and calcium glycerophosphate (CaGP) in mineral density (MD) of white/creamy and yellow/brown demarcated opacities on incisors affected by MIH by means laser fluorescence (LF). METHODS: As a cross-over, randomized trial, twenty-two children with 167 incisors affected by MIH were recruited and randomly assigned to one of the two different agents and crossed over to other agents with two weeks washout in between. Incisors were examined by using LF at all before and after three months periods. RESULTS: The results of the paired t-tests for determining the period effect between the baseline findings showed significant difference in white/creamy and yellow/brown demarcated opacities of LF values for both groups (p < 0.05). The difference between both groups according to after categorization of 20% increasing in MD in the percent of change before and after application on LF values; was not found statistically significant in white/creamy (p = 0.970) and yellow/brown (p = 0.948) opacities. CONCLUSIONS: The primary outcome was CPP-ACFP and CaGP had a positive effect in decreasing hypomineralization on MIH-affected enamel for three months period.
Objective: To assess the changes in children’s oral health-related quality of life following the treatment of severely affected molar-incisor hypomineralisation with Glass Hybrid Restorative System (GH) after selective caries removal. Method: The observational cross-sectional study was conducted at the Marmara University, School of Dentistry, Department of Pediatric Dentistry. Children aged 11–14 years (n = 55) who were diagnosed with MIH and had finished their dental treatment from November 2018 to December 2019, were included. The children’s MIH-affected teeth were treated with GH after SCR. Participants answered the Child Perceptions Questionnaire (CPQ) prior to their dental treatment and 6 months after the treatment. Results: Of the fifty-five patients, 40 patients (24 girls-16 boys) completed baseline and follow-up data. The mean age of the children was 11.85 (±1.02) years. The overall CPQ score ranged from 3–83 (average 33.27 ± 16.46) at baseline and 0–61 (average 11.67 ± 11.21) at follow up. The emotional well-being among children was the highest score at baseline. A significant decrease (p < 0.001) in the mean values was observed for both the overall CPQ scores and for the scores of the oral symptoms, functional limitations, and social-emotional well-being limitation. All subdomains showed large effect sizes and oral symptom limitation domain presented the greatest effect. Wilcoxon Rank test was used to determine the statistical significance of the changes and the magnitude of change was determined by calculating and classifying the effect size. Conclusion: Restorative treatment with GH following selective caries removal positively influenced the oral health-related quality of life of children with severe molar-incisor hypomineralisation. Key Words: Health-related quality of life, Dental enamel hypoplasia, Questionnaires, Child, Oral health.
Introduction: Dental fear is a common unpleasant emotional response that occurs in situations related to dental treatment. Since children affected by molar-incisor hypomineralization (MIH) receive much more dental treatment than their healthy peers, these children may have more dental fear and behavioral problems. Objectives: The aim of the study was to assess the relation between the presence and severity of MIH and dental fear. Material and methods: Study group involved a sample of 127 children, aged between 8 and 12 years with MIH, showing a high-risk of caries, and 99 children were included into control group. In the wake of intra-oral examination according to the American Academy of Pediatric Dentistry guideline and DMFT/dmft indices, Children's Fear Survey Schedule -Dental Subscale (CFSS-DS) was applied to each child. Mean value of independent groups for normally distributed data was compared using independent samples t-test. Spearman's correlation was applied for correlations between DMFT/dmft scores and CFSS-DS scores. P-value of < 0.05 was considered statistically significant. Results:The final number of individuals affected by MIH in this study was 127 with approximately equal numbers for each age group. The mean CFSS-DS scores were 31.41 ± 10.73 for the MIH-group, and 31.60 ± 6.21 for the controls, respectively. The mean values did not differ significantly between children with and without MIH (p = 0.870). There were also no statistically significant differences in severe MIH (31.38 ± 10.93) compared with the control group (31.60 ± 6.21) (p = 0.890). Conclusions: The study's findings revealed that there is no relation between the existence and severity of MIH and dental fear.
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