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Table 3 Accuracy of the diagnostic answers given, according to specialisation: residents in oral surgery versus residents in orthodontics

From: Do we need CBCTs for sufficient diagnostics?-dentist-related factors

Question pertaining to

OS (%)

ORTH (%)

p value

Odds ratio (95% CI)

Contact to nerve

96

87

0.002*

3.8 (1.4–12.0)

Displacement of tooth

92

87

0.089

1.9 (0.9–4.1)

Number of roots

95

95

1.000

Contact to adjacent teeth

74

71

0.626

1.1 (0.7–1.9)

Pericoronar cyst

77

72

0.323

1.3 (0.8–2.2)

Maturation of root

89

80

0.029*

2.0 (1.1–3.7)

Resorption (bone or tooth)

76

65

0.040*

1.7 (1.0–2.8)

Ankylosis

83

89

0.176

0.6 (0.3–1.3)

Preservation

79

80

0.793

0.9 (0.5–1.6)

  1. Percentage of correct answers given by residents in oral surgery (OS) and residents in orthodontics (ORTH). To assess the differences between the specialisations, p value of Fisher’s exact test is given together with odds ratio (OR), including 95% confidence intervals (CI). OR refers to OS with ORTH as reference. *p < 0.05