Table 2 MIH perception, clinical appearance and prevalence according to study participants
Question | Total n (%) | GDPs n (%) | PDs n (%) | P-Value |
|---|---|---|---|---|
How often do you notice hypomineralized teeth in your practice? | 214 (100) | 148 (100) | 66 (100) | < 0.001 |
Weekly | 88 (41.12) | 40 (27.02) | 48 (72.73) | |
Monthly | 104 (48.59) | 88 (59.46) | 16 (24.24) | |
Annually | 22 (10.28) | 20 (13.50) | 2 (3.03) | |
Approximately what percentage of your patients present this defect? | 214 (100) | 148 (100) | 66 (100) | < 0.001 |
< 10% | 104 (48.59) | 88 (59.45) | 16 (24.24) | |
10–25% | 87 (40.65) | 54 (36.48) | 33 (50.00) | |
> 25% | 23 (10.74) | 6 (4.05) | 17 (25.76) | |
Do you perceive that the incidence of MIH has increased in recent years? | 214 (100) | 148 (100) | 66 (100) | < 0.001 |
No | 41 (19.15) | 38 (25.67) | 3 (4.54) | |
Yes | 173 (80.84) | 110 (74.32) | 63 (95.45) | |
What do you most frequently notice in your practice? | 214 (100) | 148 (100) | 66 (100) | 0.375 |
White demarcated opacities | 78 (36.45) | 58 (39.19) | 20 (30.30) | |
Yellow/brown demarcated opacities | 129 (60.28) | 86 (58.11) | 43 (65.16) | |
Post-eruptive enamel breakdown | 7 (3.27) | 4 (2.7) | 3 (4.54) | |
How frequently do you notice this defect in the second primary molar? | 210 (100) | 144 (100) | 66 (100) | 0.516 |
More often | 9 (4.28) | 5 (3.47) | 4 (6.06) | |
Equally as often | 15 (17.14) | 12 (8.33) | 3 (4.54) | |
Less often | 186 (88.57) | 127 (88.19) | 59 (89.39) |