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Table 2 Perceptions and clinical experience concerning the clinical appearance, diagnosis, and prevalence of MIH

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

Questions

 

GDPs

N (%)

PDs

N (%)

DSs

N (%)

P value

Do you encounter teeth with MIH in your practice? (yes)

 

192 (74.7%)

110 (100%)

128 (96.2%)

< 0.001*

Regarding severity of the defect: which of the following do you most frequently observe in your practice?

White demarcation

Yellow/Brown demarcation

Post-eruptive enamel breakdown

28 (14.5%)

128 (66.3%)

37 (19.2%)

19 (17.3%)

78 (70.9%)

13 (11.8%)

11 (8.5%)

88 (68.2%)

30 (23.3%)

0.085

In your practice, do you encounter demarcated hypomineralized defects in permanent teeth other than the FPMs and incisors? (yes)

 

44 (22.9%)

53 (48.2%)

72 (55.8%)

 < 0.001*

- If yes; please name the tooth/teeth

Canines

Premolars

Second permanent molars

31 (70.5%)

10 (22.7%)

3 (6.8%)

24 (42.1%)

20 (35.1%)

13 (22.8%)

52 (58.4%)

21 (23.6%)

16 (18%)

0.047*

How frequently do you observe this defect in the second primary molar in comparison to the first permanent molar?

More frequently

Less frequently

The same as for the first permanent molar

Not sure

5 (2.6%)

130 (67.4%)

5 (2.6%)

53 (27.5%)

3 (2.7%)

95 (86.4%)

2 (1.8%)

10 (9.1%)

0 (0)

100 (78.1%)

0 (0)

28 (21.9%)

0.002*

How confident do you feel when diagnosing teeth with MIH?

Very confident

Confident

Unconfident

Very unconfident

10 (5.2%)

105 (54.4%)

76 (39.4%)

2 (1%)

19 (17.3%)

77 (70.0%)

14 (12.7%)

0 (0)

16 (12.4%)

106 (82.2%)

7 (5.4%)

0 (0)

0.001*

Do you think that a significant percentage of caries is caused by MIH?

Yes

No

Not sure

95 (37.0%)

66 (25.7%)

96 (37.4%)

59 (53.6%)

32 (29.1%)

19 (17.3%)

47 (35.3%)

66 (49.6%)

20 (15.0%)

< 0.001*

Do you think teeth with MIH represent a clinical problem? (yes)

 

236 (91.8%)

106 (96.4%)

130 (97.7%)

0.133

- If yes, how serious/severe do you think is MIH in your community?

Mild

Moderate

Severe

Not sure

83 (33.9%)

125 (51.0%)

24 (9.8%)

13 (5.3%)

25 (23.1%)

64 (59.3%)

14 (13.0%)

5 (4.6%)

39 (29.5%)

84 (63.6%)

3 (2.3%)

6 (4.5%)

0.022*

  1. *p < 0.05 = significant difference