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| Informant No. | Professional category | Sex | Age (years) | Total number |
|---|---|---|---|---|
| 1, 2 | Dental students | Male | 24, 26 | 2 |
| 3, 4 | Teacher/Specialist | Male | 53, 32 | 2 |
| 5 | Hygienist | Female | 30 | 1 |
| 6 | Nurse | Female | 55 | 1 |
| 7 | Dental Assistant | Female | 54 | 1 |
| 8 | Private dentist | Male | 31 | 1 |
| 9 | Dental Secretary | Female | 42 | 1 |
| Total | 9 |
