Table 2 MIH perception, clinical appearance and prevalence according to study participants
Question | GDPs N = 115 N (%) | Paediatric Dentists N = 41 N (%) | Other Dental Specialists N = 65 N (%) | X 2 | P value | |||
|---|---|---|---|---|---|---|---|---|
How often do you notice hypomineralised teeth in your practice? | ||||||||
Never | 7 | (6.1) | 2 | (4.9) | 5 | (7.7) | 4.75 | 0.576 |
Weekly basis | 28 | (24.3) | 13 | (31.7) | 19 | (29.2) | ||
Monthly basis | 51 | (44.4) | 20 | (48.8) | 32 | (49.2) | ||
Yearly basis | 29 | (25.2) | 6 | (14.6) | 9 | (13.9) | ||
Most frequently notice in your practice? | ||||||||
White demarcated opacities | 42 | (36.5) | 11 | (26.8) | 17 | (26.2) | 2.939 | 0.816 |
Yellow/brown demarcated opacities | 60 | (52.2) | 26 | (63.4) | 38 | (58.5) | ||
Posteruptive enamel breakdown | 6 | (5.2) | 2 | (4.9) | 4 | (6.1) | ||
Never seen | 7 | (6.1) | 2 | (4.9) | 6 | (9.2) | ||
How confident in diagnosing MIH teeth? | ||||||||
Very confident | 11 | (9.6) | 7 | (17.1) | 3 | (4.6) | 104.8 | 0.000* |
Confident | 21 | (18.2) | 32 | (78.0) | 57 | (87.7) | ||
Unconfident | 83 | (72.2) a | 2 | (4.9) b | 5 | (7.7) b | ||
Are you aware that MIH differs from fluorosis and hypoplasia? | ||||||||
Yes | 93 | (80.9) b | 41 | (100) a | 55 | (84.6) b | 8.99 | 0.011* |
No | 22 | (19.1) | 0 | 10 | (15.4) | |||
Prevalence of MIH might be in your community? | ||||||||
< 5% | 18 | (15.7) | 2 | (4.9) | 6 | (11.8) | 5.587 | 0.061 |
5–10% | 36 | (31.3) | 10 | (24.4) | 10 | (25.3) | ||
10–20% | 38 | (33.0) | 19 | (46.3) | 29 | (38.9) | ||
> 20% | 7 | (6.1) | 2 | (4.9) | 10 | (8.6) | ||
Not sure | 16 | (13.9) | 8 | (19.5) | 10 | (15.4) | ||
Would be worthwhile to investigate MIH prevalence? | ||||||||
Yes | 101 | (87.8) | 39 | (95.1) | 62 | (95.4) | 3.90 | 0.142 |
No | 14 | (12.2) | 2 | (4.9) | 3 | (4.6) | ||
How frequently do you notice this defect in the second primary molar? | ||||||||
More frequently | 11 | (9.6) | 0 | 4 | (6.2) | 21.49 | 0.001* | |
Less frequently | 72 | (62.6) b | 39 | (95.1) a | 42 | (64.6) b | ||
Same as FPM | 7 | (6.1) | 2 | (4.9) | 1 | (1.5) | ||
Do not examine primary molars | 25 | (21.7) | 0 | 18 | (27.7) | |||