Ortho II Exam I Appliances and Schematics
1. What are the two main categories of orthodontic appliances?
Answer> Removable and Fixed
2. Removable appliances can either be ... or ...
Answer> Passive or Active (move teeth)
3. What are removable appliances?
Answer> orthodontic appliance that can be removed by the patient
,4. Removable appliances have different components:
Active-
Retentive-
Anchorage-
Baseplate -
Answer> · Active - bits that move the teeth e.g. springs
· Retentive - hold the appliance in place e.g. Adams clasp on anterior teeth
· Anchorage - stops other teeth moving forwards if one tooth is pulled back e.g. if the canine is pulled back, anchorage
to stop molars moving forward
· Baseplate - joins it all together
5. What is the mode of action for most removable appliances?
, Answer> Simple tipping
6. Why is simple tipping the basic mode of action for most basic removable
appliances?
1. What are the two main categories of orthodontic appliances?
Answer> Removable and Fixed
2. Removable appliances can either be ... or ...
Answer> Passive or Active (move teeth)
3. What are removable appliances?
Answer> orthodontic appliance that can be removed by the patient
,4. Removable appliances have different components:
Active-
Retentive-
Anchorage-
Baseplate -
Answer> · Active - bits that move the teeth e.g. springs
· Retentive - hold the appliance in place e.g. Adams clasp on anterior teeth
· Anchorage - stops other teeth moving forwards if one tooth is pulled back e.g. if the canine is pulled back, anchorage
to stop molars moving forward
· Baseplate - joins it all together
5. What is the mode of action for most removable appliances?
, Answer> Simple tipping
6. Why is simple tipping the basic mode of action for most basic removable
appliances?
