Table 2 Percentage distribution of knowledge scores of GDPs, pediatric dentists and other dental specialists for each question regarding MIH knowledge
Questions | Total N = 257 N (%) | GDPs N = 130 N (%) | PDs N = 24 N (%) | ODSs N = 103 N (%) | p-value |
|---|---|---|---|---|---|
It is known that MIH is a developmental defect that differs from amelogenesis and hypoplasia? | |||||
Yes | 234 (91.1) | 119 (91.5) | 24 (100.0) | 91 (88.3) | 0.190* |
No | 23 (8.9) | 11 (8.5) | 0 (0.0) | 12 (11.7) | |
What is the prevalence of MIH in Portugal? | |||||
< 5% | 38 (14.8) | 18 (13.8) | 1 (4.2) | 19 (18.4) | 0.163* |
5–10% | 84 (32.7) | 38 (29.2) | 6 (25.0) | 40 (38.8) | |
10–20% | 44 (17.1) | 25 (19.2) | 6 (25.0) | 13 (12.6) | |
> 20% | 38 (14.8) | 18 (13.8) | 1 (4.2) | 19 (18.4) | |
Not sure | 61 (23.7) | 31 (23.8) | 6 (25.0) | 24 (23.3) | |
Which of the following might be the etiology of MIH: | |||||
Genetic factors | 143 (55.6) | 81 (62.3) | 7 (29.2) | 55 (53.4) | 0.1875* |
Environmental factors | 89 (34.6) | 44 (33.8) | 8 (33.3) | 37 (35.9) | |
Acute medical conditions affecting the hand or child | 93 (36.2) | 55 (42.3) | 7 (29.2) | 31 (30.1) | |
Chronic medical condition affecting mother and child | 79 (30.7) | 39 (30.0) | 6 (25.0) | 34 (33.0) | |
Antibiotics or medications | 94 (36.6) | 50 (38.5) | 5 (20.8) | 39 (37.9) | |
Exposure to fluoride | 29 (11.3) | 18 (13.8) | 0 (0.0) | 11 (10.7) | |
Unknown etiology | 133 (51.8) | 72 (55.4) | 18 (75.0) | 43 (41.7) | |
What is the period/duration that this occurrence can happen? | |||||
During the pregnancy | 46 (17.9) | 25 (19.2) | 3 (12.5) | 18 (17.5) | 0.476* |
First year of life | 26 (10.1) | 16 (12.3) | 0 (0.0) | 10 (9.7) | |
Third year of life | 12 (4.7) | 8 (6.2) | 0 (0.0) | 4 (3.9) | |
Pregnancy up to the first year of life | 71 (27.6) | 34 (26.2) | 9 (37.5) | 28 (27.2) | |
Pregnancy up to the third year of life | 102 (39.7) | 47 (36.2) | 12 (50.0) | 43 (41.7) | |
In your opinion, do you think the pattern of caries related to MIH is different from the classic caries pattern? | |||||
Yes | 228 (88.7) | 117 (90.0) | 23 (95.8) | 88 (85.4) | 0.385* |
No | 10 (3.9) | 3 (2.3) | 1 (4.2) | 6 (5.8) | |
Not sure | 19 (7.4) | 10 (7.7) | 0 (0.0) | 9 (8.7) | |
Knowledge score, mean (SD) [min–max] | 41.3 (5.7) [21–60] | 41.9 (6.0) [21–60] | 41.5 (5.7) [35–46] | 40.5 (3.6) [25–52] | 0.214** |