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Assessment of oral health-related quality of life (OHRQoL) in children with molar incisor hypomineralization (MIH) – A systematic review and meta-analysis of observational studies

J Indian Soc Pedod Prev Dent. 2022 Oct-Dec;40(4):368-376. doi: 10.4103/jisppd.jisppd_27_23.

ABSTRACT

BACKGROUND: Molar Incisor Hypomineralization (MIH) affects about 14% of the population. MIH may lead to enamel breakdown, early tooth decay and is known to cause sensitivity, pain, discomfort, etc., Despite several studies reporting impacts of MIH on oral health-related quality of life (OHRQoL) in children; no systematic review has been reported till date.

OBJECTIVES: Our study aimed at assessing the impact of MIH on OHRQoL.

SEARCH METHODS: Two researchers, Ashwin Muralidhar Jawdekar and Shamika Ramchandra Kamath, independently searched articles using appropriate keyword combinations in three search engines – PubMed, Cochrane Library, and Google Scholar and conflicts, if any were resolved by Swati Jagannath Kale. Studies either reported in English or complete translations available in English were selected.

SELECTION CRITERIA: Observational studies on otherwise healthy 6-18-year-old children were considered. Interventional studies were included only to collect the baseline (observational) data.

DATA COLLECTION AND ANALYSIS: From 52 studies, a total of 13 studies could be included in the systematic review and 8 in meta-analysis. Total scores of OHRQoL measures reported in the child perceptions questionnaire (CPQ) 8-10, CPQ 11-14, and parental-caregiver perception questionnaire (P-CPQ) scales were used as variables.

MAIN RESULTS: Five studies (2112 subjects) showed an impact on OHRQoL (CPQ); the pooled risk ratio (RR) confidence interval (CI) were 24.70 (13.93-35.47), showing statistically significant value (P < 0.001). The Three studies (811 participants) showed an impact on OHRQoL (P-CPQ); the pooled RR (CI) was 16.992 (5.119, 28.865) showing statistically significant value (P < 0.001). Heterogeneity (I2) was high (99.6% and 99.2%); hence, random effect model was used. Sensitivity analysis of two studies (310 subjects) showed impact on OHRQoL (P-CPQ); the pooled RR (CI) was 22.124 (20.382, 23.866) showing statistically significant value (P < 0.001); the heterogeneity was low (I2 = 0.0). The risk of bias across studies assessed using the appraisal tool for cross sectional studies tool was found to be moderate. The reporting bias assessed using the dispersion on the funnel plot was found to be minimal.

AUTHORS’ CONCLUSIONS: Children with MIH are about 17-25 times more likely to have impacts on the OHRQoL compared to children with no MIH. Evidence is of low quality due to high heterogeneity. The risk of bias was moderate and publication bias was low.

PMID:36861552 | DOI:10.4103/jisppd.jisppd_27_23

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