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Table 2 Perceptions, clinical experience and continuing education aspects in OHCPs

From: Knowledge, experience and perceptions regarding Molar-Incisor Hypomineralisation (MIH) amongst Australian and Chilean public oral health care practitioners

Questions

Total OHCPs

Australia

Chile

GDPs

OHTs

GDPs

N (%)

N (%)

N (%)

N (%)

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

203 (88.6)

44 (95.7)**

66 (100)**

93 (79.5)**

In what other permanent teeth have you encountered MIH-like defects?

Premolars

71 (66.4)

12 (63.2)**

16 (47.1)**

43 (79.6)**

Second permanent molars

16 (15.0)

5 (26.3)**

11 (32.4)**

0**

Canines

20 (18.6)

2 (10.5)**

7 (20.5)**

11 (20.4)**

Do you notice these defects in the primary dentition? (YES)

200 (90.1)

41 (89.1)*

64 (98.5)*

95 (85.6)*

Do you feel the incidence has increased in the period of your practice? (YES)

95 (68.8)

22 (84.6)*

40 (81.6)*

33 (52.4)*

Would you refer a child who has signs of MIH to a paediatric specialist for treatment?

Yes or when possible

129 (56.6)

37 (78.7)**

45 (69.2)**

47 (40.5)**

No

99 (43.4)

10 (21.3)**

20 (30.8)**

69 (59.5)**

What type of restorative material do you often use to treat these teeth? (Only those YES answers are shown)

Amalgam and other direct materials

18 (7.9)

3 (6.4)

3 (4.6)

12 (10.3)

CR exclusively

10 (4.4)

1 (2.1)

0

9 (7.8)

GIC exclusively

63 (27.6)

10 (21.3)

23 (35.4)

30 (25.9)

RMGIC exclusively

14 (6.1)

2 (4.3)

1 (1.5)

11 (9.5)

CR, GIC and RMGIC combined

72 (31.6)

6 (12.8)*

18 (27.7)*

48 (41.4)*

PC combined with direct materials

43 (18.9)

25 (53.2)**

16 (24.6)**

2 (1.7)**

Others, e.g., cast rest, extractions and fluoride

8 (3.5)

0

4 (6.2)

4 (3.4)

Are you receiving any information on MIH? (YES)

117 (51.5)

22 (46.8)*

45 (68.2)*

50 (43.9)*

Total

230

47

66

117

113

  1. Results may not add due to missing values
  2. OHCPs oral health care practitioners, GDPs general dental practitioners, OHTs oral health therapists, MIH molar incisor hypomineralisation, CR composite resin, GIC glass ionomer cements, RMGIC resin modified glass ionomer cements, PC preformed crowns
  3. **Significant differences by X2 p < 0.001, *significant differences by X2 p < 0.05