Table 2 Observers characteristics

Personal information

Sex

 Male

3

 Female

6

Clinical experience as paediatric dentist

Years of experience

 < 5 years

3

 5–10 years

1

 11–20 years

3

 21–30 years

0

 31–40 years

2

Proportion patients < 18 years

 < 10%

1

 55–80%

6

 100%

2

Clinical experience with dental trauma

New trauma case seen at least

 Weekly

3

 Monthly

3

 Every 3 months

2

 Every 6 months

1

Treating TDI

 All cases themselves

4

 Referral of complex cases

5

TDI among patient population

 < 5

2

 5–10

3

 11–20

3

 21–30

1

 31–40

0

Clinical experience with CBCT

CBCT training

 Never

6

 Postgraduate training

2

 Additional courses

1

Possibility of taking CBCT

 Own office

2

 Referral to hospital

4

 Referral to colleague

1

 Never need a CBCT

2