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Table 3 Students’ responses about the aetiology, diagnosis and prevalence of MIH

From: A survey on knowledge and attitudes towards molar-incisor hypomineralization among undergraduate and postgraduate students at the School of Stomatology, Wuhan University

Total

47

47

47

69

54

264

Where did you learn about MIH?*

      

Journals

2 (4%)

7 (15%)

5 (11%)

10 (14%)

13 (24%)

37 (14%)

Lectures

2 (4%)

5 (11%)

7 (15%)

21 (30%)

21 (39%)

56 (21%)

Classroom teaching

43 (91%)

38 (81%)

27 (57%)

48 (70%)

32 (59%)

188 (71%)

Clinical practice

3 (6%)

15 (32%)

25 (53%)

45 (65%)

23 (43%)

111 (42%)

Have you met MIH in clinical? (YES)

0

10 (21%)

26 (55%)

40 (58%)

28 (52%)

104 (39%)

What do you think is the aetiology of MIH?*

      

Genetic factors

41 (87%)

41 (87%)

35 (74%)

56 (81%)

40 (74%)

213 (81%)

Pregnant and postnatal factors

41 (87%)

38 (81%)

40 (85%)

56 (81%)

42 (78%)

179 (68%)

Drug factors

29 (62%)

31 (66%)

19 (40%)

30 (43%)

31 (57%)

140 (53%)

Environment factors

28 (60%)

39 (83%)

24 (51%)

32 (46%)

38 (70%)

161 (61%)

All of above

22 (47%)

24 (51%)

11 (23%)

17 (25%)

19 (35%)

93 (35%)

Do you know the principles of diagnosis of MIH? (YES)

1 (2%)

3 (6%)

7 (15%)

22 (32%)

10 (19%)

43 (16%)

What do you think the prevalence of MIH?

      

0–15%

28 (60%)

23 (49%)

25 (53%)

41 (59%)

39 (72%)

156 (59%)

15–30%

18 (38%)

22 (47%)

18 (38%)

27 (39%)

15 (28%)

100 (38%)

30–60%

1 (2%)

2 (4%)

4 (9%)

1 (1%)

0

8 (3%)

More than 60%

0

0

0

0

0

0 (0%)

Have you did a treatment of MIH? (Yes)

0

0

0

5 (7%)

4 (7%)

9 (3%)

Which treatment would you provide for this is a newly erupted first molar with plaque on buccal surface?

     

9 (3%)

Fluoride varnish

0

0

0

3 (4%)

4 (7%)

7 (3%)

Pit and fissure sealant

0

0

0

2 (3%)

0

2 (1%)

Observation

0

0

0

0

0

0

Which treatment would you perfer to do for this newly erupted first permanent molar with post-eruptive breakdown?The tooth is sensitive to air and the patient is cooperative

     

9 (3%)

Fluoride varnish

0

0

0

1 (1%)

1 (2%)

2 (1%)

Glass ionomer

0

0

0

1 (1%)

1 (2%)

2 (1%)

Composite resin

0

0

0

1 (1%)

0

1 (0%)

Occlusal veneer

0

0

0

2 (3%)

0

2 (1%)

Preformed crowns

0

0

0

0

2 (4%)

2 (1%)

Extract

0

0

0

0

0

0

  1. G1 4th-year undergraduate, G2 5th-year undergraduate, G3 1st-year postgraduate, G4 2nd-year postgraduate, G5 3rd-year postgraduate
  2. *These questions are multiple choice