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Occlusion that is abnormal
Irregularities in the position of teeth and bite
Name the three classifications of occlusion
Class I Neutroclusion
Class II Distoclusion- Division I-Labioversion Division II-Linguoversion
Class III Mesioclusion
What type of measurement is used when measuring an overjet?
Which type of bite requires a vertical measurement?
Define and explain the function of osteoblast as they realte to orthodontics.
bone in the area from which tooth has moved from.
Define and explain the function of osteoclast as they relate to orthodontics.
Specialized cells that
dissolve or resorb
the alveolar bone to create space for tooth movement.
Who created the classification system used in orthodontics?
What procedures might be performed on a new patient appointment?
Clinical exam- intraoral measurements
What is a functional appliance?
Appliance used prior to fixed appliances
Effect the growth rate of skeletal developments (Headgear)
List 3 examples of functional appliances
Define fixed orthodontics appliance. Give examples.
Braces= fixed- cemented
Brackets, bands, arch wires
What is the purpose of a separator?
To create space
Separate molars before fitting and placement of ortho brackets.
How long should separators be left on prior to the banding appointment?
3-5 days before bonding appointment
5-7 days for brass wire
2 weeks for elastic
Nmae the different types of separators
Steel spring & TP spring
List the possible damages caused from improper placement of separators
Injury to soft tissues
What is the difference b/w direct and general supervision?
General- patient must be patient of record and the dentist must have asked you to perform the procedure.
Direct- dentist must be physically present in the office and able to check your work
What does DD stand for?
Determines RDA capabilities
What duties may be performed by an RDA and not a DA?
Remove Ortho bands
Remove supragingival cement
SIze Ortho bands
Place and Remove separators
For what type of appliance may an RDAEF take impressions?
Which appliances may be found in both the fixed and removable category?
What is the purpose of banding teeth and how long are the bands left on for?
To support arch wires and extraoral appliances (headgear)
Stay on as long as needed
Name the different types of brackets
Which appliance is known as "removable braces"?
What appliance might be used to widen the arch by splitting the palatine bones?
What is a Cephalometric? Why is it used?
Lateral Radiograph of the head
Used to measure the areas of imbalance and the degree of discrepancy.