Table 1.
Items and modifications from the original questionnaire (changes are in bold italics)
| First part of the instrument | |
| List of problems of the original Child-OIDP | List of problems of the Brazilian Child-OIDP (translated) |
| Toothache | Toothache |
| Sensitive tooth | Sensitive teeth (when you eat or drink: sweets, hot food such as milk or coffee and cold food such as ice cream) |
| Tooth decay, hole in tooth | Tooth decay, hole in tooth |
| Exfoliating primary tooth | mobile milk teeth |
| Tooth space (due to an non-erupted permanent tooth) | Tooth space (due to an non-erupted permanent tooth) |
| Fractured permanent tooth | broken permanent (new or definitive) tooth |
| Colour of tooth | Colour of tooth (darker or more yellow in color, or stained) |
| Shape or size of tooth | shape or size of tooth (abnormally sized or shaped tooth, or larger or smaller than the other teeth) |
| Position of tooth (e.g. crooked or projecting, gap) | tooth position (crowded, crooked, separated, or protruding teeth) |
| Bleeding gum | bleeding of the gums (when brushing teeth) |
| Swollen gum | swollen gums (inflamed or very red gums) |
| Calculus | tartar |
| Oral ulcers | oral wounds |
| Bad breath | Bad breath (bafo: a popular term in Portuguese with no translation to english) |
| Erupting permanent tooth | Erupting permanent tooth |
| Missing permanent tooth | Missing, lost, or extracted permanent tooth |
| Other (specify) | Others. Which? |
| Second part of the instrument | |
| Performances of the original Child-OIDP | Performances of the Brazilian Child-OIDP (translated) |
| Eating food (e.g. meal, ice-cream) | Eating food (e.g. meal, ice-cream) |
| Speaking clearly | Speaking clearly |
| Cleaning your mouth (e.g. rinsing your mouth, brushing your teeth) | Cleaning your mouth (e.g. rinsing your mouth, brushing your teeth) |
| Relaxing (including sleeping) | Sleeping |
| Maintaining your usual emotional state without being irritable | Maintaining your emotional state (mood) without becoming irritated or stressed |
| Smiling, laughing and showing your teeth without embarrassment | Smiling, laughing and showing your teeth without embarrassment |
| Carrying out your schoolwork (e.g. going to school, learning in class, doing homework) | Carrying out your schoolwork (e.g. going to school, learning in class, doing homework) |
| Contact with people (e.g. going out with friend, going to a friend's house) | Contact with people (e.g. going out with friend, going to a friend's house) |