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Table 7 Comparison of clinical characteristics in ED and IH groups

From: Parental perception on oral health-related quality of life and dental features of ectodermal dysplasia and isolated hypodontia in children

Assessment

ED (29)

n (%)

IH (57)

n (%)

p value

OR 95% CI

OR (Ref)

Caries (both dentitions)

   

No

23 (79.3%)

32 (56.1%)

   

Yes

6 (20.7%)

25 (43.9%)

0.034*

3.00 (1.06–8.47)

ED

Restorations (both dentitions)

   

No

21 (72.4%)

29 (50.9%)

   

Yes

8 (27.6%)

28 (49.1%)

0.056

2.53 (0.97–6.66)

ED

Microdont (both dentitions)

   

No

11 (37.9%)

22 (38.6%)

   

Yes

18 (62.1%)

35 (61.4%)

0.952

1.03 (0.41–2.58)

IH

Conical (both dentitions)

   

No

2 (6.9%)

46 (80.7%)

   

Yes

27 (93.1%)

11 (19.3%)

 < 0.001**

56.45 (11.63–274.04)

IH

Aesthetic restorations (both dentitions)

   

No

10 (34.5%)

50 (87.7%)

   

Yes

19 (65.5%)

7 (12.3%)

 < 0.001**

13.57 (4.51–40.81)

IH

Infraoccluded (only noted in 1° teeth)

   

No

21 (72.4%)

36 (63.2%)

   

Yes

8 (27.6%)

21 (36.8%)

0.391

1.53 (0.58–4.01)

ED

Hypomineralised (both dentitions)

   

No

26 (89.7%)

42 (73.7%)

   

Yes

3 (10.3%)

15 (26.3%)

0.085

3.01 (0.82–11.73)

ED

Taurodontism (2o molar teeth only)

   

No

12 (41.4%)

56 (98.2%)

   

Yes

17 (58.6%)

1 (1.8%)

 < 0.001**

79.33 (9.61–655.01)

IH

Wearing denture

   

No

13 (44.8%)

52 (91.2%)

   

Yes

16 (55.2%)

5 (8.8%)

 < 0.001**

12.80 (3.96–41.40)

IH

  1. Fisher’s Exact *p values < 0.05 and the Bonferroni corrected critical ** p values < 0.017
  2. OR = Odds Ratio; CI = Confidence Interval
  3. n = Number; (%) = Percentage; 1° = Primary; 2o = Secondary; Both = Primary and Secondary