Prevalence of Molar Incisor Hypominerlization among a Group of Egyptian Children: A Cross Sectional study

Abstract

Objective: The aim of the study was to determine the Prevalence of MIH in a group of Egyptian children attending the Pediatric Dentistry and Dental Public Health Department, Faculty of Dentistry, Cairo University, Investigate morphological characteristics and any associated causes of MIH and Investigate the relationship of MIH to dental caries.

Prevalence and risk factors of molar incisor hypomineralization in the Middle East: A systematic review and meta-analysis

“…(2015) diagnostic criteria 8–12 1001 23 (2.3) Abo Elsoud and Mahfouz (2019) 39 Suez Canal – Non-random sample – multi-school based EAPD 2003 8–12 1312 131 (9.98) Osman et al. (2020) 24 Cairo – Hospital-based EAPD + Weerheijm (2003) + Mejàre (2009) diagnostic criteria 8–12 1000 142 (14.2) Iran Ahmadi et al. (2012) 40 Zahedan – Non-random sample, multischool-based DDE 7–9 433 55 (12.7) 1.…”

“… 21 , 22 , 23 Seven studies were hospital-based, reporting the frequency rather than the prevalence of MIH. 21 , 22 , 24 , 25 , 26 , 27 , 28 The remaining studies were population-representative and multischool-based, 8 , 9 , 10 , 11 , 23 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 with the exception of two studies conducted in a single school setting 30 , 35 ( Table 1 ).…”

“…Twelve studies did not report the date of data collection. 8 , 10 , 24 , 29 , 34 , 36 , 37 , 38 , 39 , 40 , 41 , 43 The MIH diagnostic criteria used in these studies also varied. While 17 studies used the EAPD (2003) diagnostic criteria, 3 referred to other assessment tools such as the DDE index, mDDE index, and EDI.…”

“…Six studies used the diagnostic criteria developed by Weerheijm et al., Mejare, Lygidakis et al., and Ghanim et al. , 21 , 22 , 24 , 31 , 33 , 36 whereas three developed their own assessment criteria for the diagnosis of MIH. 25 , 27 , 28 All studies used a single assessment tool, except for two that were conducted using a combination of diagnostic tools 21 , 24 ( Table 1 ).…”

“…(2018) 22 Yes No UC Yes No Yes Yes Yes UC 5 Abo Elsoud and Mahfouz (2019) 39 Yes No Yes UC Yes Yes Yes UC UC 5 Osman et al. (2020) 24 UC No Yes UC No Yes Yes Yes UC 4 Iran Ahmadi et al. (2012) 40 Yes No UC UC Yes Yes Yes Yes Yes 6 Ghanim et al.…”