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Table 1 Scores for each of the MIH knowledge questions as agreed using Delphi methods

From: Knowledge, perceptions, and clinical experience regarding Molar-Incisor Hypomineralization among a group of general dental practitioners, pediatric dentists, and other dental specialists in Egypt: a cross-sectional study

Knowledge questions Answers Delphi Scores Percentage of (yes) answers
Yes No GDPs
N (%)
PDs
N (%)
DSs
N (%)
Have you been aware that MIH is a Developmental defect that differs from fluorosis and hypoplasia?   9 0 185 (72.0) 108 (98.2) 128 (96.2)
How prevalent do you think MIH might be in your community? (one option chosen) < 5%
5–10%
10–20%
> 20%
Not sure
6
1
1
1
0
^
^
^
^
^
64 (24.9)
99 (38.5)
61 (23.7)
8 (3.1)
25 (9.7)
28 (25.5)
44 (40.0)
22 (20.0)
12 (10.9)
4 (3.6)
56 (42.1)
47 (35.3)
25 (18.8)
2 (1.5)
3 (2.3)
Do you think they are involved in the etiology of MIH? Genetic factors
Environmental Contaminants
Chronic medical conditions affecting mother and children
Acute medical conditions affecting mother or children
Antibiotics or Medications
Fluoride exposure
5
5
6
6
5
1
4
4
3
3
4
8
203 (26.4)
164 (21.3)
110 (14.3)
103 (13.4)
110 (14.3)
79 (10.3)
82 (21.5)
68 (17.8)
77 (20.2)
67 (17.5)
79 (20.7)
9 (2.4)
114 (26.2)
80 (18.4)
86 (19.8)
69 (15.9)
66 (15.2)
20 (4.6)
What time/period do you think the insult occurs? (One option
chosen)
During pregnancy
1st year of life
3rd year of life
Pregnancy to 1st year of life
Pregnancy to 3rd year of life
1
3
0
3
2
^
^
^
^
^
115 (44.7)
26 (10.1)
0 (0)
76 (29.6)
40 (15.6)
25 (22.7)
14 (12.7)
0 (0)
56 (50.9)
15 (13.6)
34 (25.6)
12 (9.0)
0 (0)
66 (49.6)
21 (15.8)
Do you think the pattern of caries related to MIH is different from the classical caries pattern?   7 1
Not sure (1)
144 (56.0) 95 (86.4) 121 (91.0)
Knowledge scores mean ± (S.D.)     43.05 ± 7.04 51.13 ± 4.76 50.91 ± 6.46
Ranges of Knowledge score Min    Max
20        60