Table 2: Percentages of Ajman University Dentists choosing each of the possible responses in the questionnaire on management of approximal caries lesions. Percentages are for entire sample and for subgroups (age, sex, country of study and type of practice).

Responses to the questions Entire sample
N=180
≤35 y
N=150
36-50 y
N=22
>50 y
N=8
Male
N=76
Female
N=104
UAE graduate
N=152
Non-UAE graduate
N=28
Public practice
N=126
Public/Private
Practice
N=54
Q1. Which lesion(s) to be restored immediately?
Outer half of enamel 7.8 8 9.1 0.0 9.2 6.7 7.9 6.9 5.5 13.0
Inner half of enamel 13.3 12.7 18.2 25.0 17.1 10.5 11.8 20.7 13.4 13.0
Dentine-enamel junction 41 44 27.3 25.0 39.5 42.9 45.4 20.6 37.8 50.0
Outer 1/3 of dentine 27.2 24.7 36.4 37.5 26.3 27.6 24.3 41.4 33.9 11.1
Middle 1/3 of dentine 6.1 5.3 9.1 12.5 6.6 5.7 5.3 10.3 3.9 11.1
Inner 1/3 of dentine 4.4 5.3 0.0 0.0 1.3 6.7 5.3 0.0 5.5 1.9
Q2. Preferred type of preparation
Conventional class II 6.7 7.3 4.5 0.0 5.3 7.6 7.9 3.4 7.1 5.6
Simple box preparation 72.8 73.3 72.7 62.5 80.3 67.7 73.0 69.0 71.6 75.9
Tunnel preparation 20.6 19.3 22.7 37.5 14.5 24.8 19.1 27.6 21.3 18.5
Q3. Preferred restorative material
Amalgam 10.6 7.3 22.7 25.0 7.9 12.5 8.6 20.7 9.4 13.0
Composite 68.9 72.7 54.5 50.0 71.1 67.7 69.7 65.5 70.1 66.7
Conventional GIC 0.6 0.0 0.0 12.5 1.3 0.0 0.0 3.4 0.8 0.0
Resin-modified GIC 3.9 4.0 0.0 12.5 3.9 3.8 3.9 3.4 3.9 3.7
Composite & GIC 16.1 16.0 22.7 0.0 15.8 16.2 17.8 6.9 15.7 16.7