Table 1.
Tabulated Results showing the Author, Year of Study, Number of Individuals Examined, Age Group, and Enamel Defects Measurement
| Author | Type of Study | Study Population | Age Group(years) | DDE Measurement |
|---|---|---|---|---|
| Jagels&Sweeney 1976 | Case-control study |
Case 63 Control 56 |
5–12 | % of subjects showing enamel hypoplasia |
| Primosch 1980 | Cross-sectional observational study |
Case 86 Control 86 |
3.3–24.2 | % of DDE in permanent teeth |
| Narang 2003 | Case-control study |
Case 74 Control 106 |
Case 2.5–16.5 Control 3.0– 16.5 |
% of opacities in primary teeth % of opacities in permanent teeth |
| Azevedo 2006 | Case-control study |
Case 13 Control 13 |
Mean age 10.3 | % of permanent teeth affected according to DDE type |
| Ferrazzano 2009 | Case-control study |
Case 54 Control 101 |
7–12 | % of subjects with DDE |
| Ferrazzano 2012 | Case-control study |
Case 88 Control 101 |
4–12 | Prevalence of DDE present (%) |
| Peker 2014 | Case-control study |
Case 30 Control 30 |
Case 10.2 ± 4.8 Control 9.9 ± 1.4 |
% of subjects with mild DDE, moderate DDE, severe DDE |
| Collard 2016 | Cross-sectional observational study |
Case 26 Control N/A |
< 18 | % of subjects with hypomineralised teeth |
| Abu-Zahra 2019 | Cross-sectional study |
Case 20 Control N/A |
6–18 | % of subjects with DDE |
| Pawlaczyk-Kamieńska 2019 | Cross-sectional study |
Case 22 Control 22 |
20–43 | % of subjects with DDE |