Ortho Flashcards
When can the RDA use the ultrasonic scaler to remove cement?
RDA & cert in ultrasonic scaler
Excess cement & cemented ortho bands
What might you suspect of the teeth are not separated and sulcus is inflamed?
Separator slipped into sulcus
Define class 2 and class 3 of intermax elastics?
Class 2 elastic extends from max ant to mand post MAND PROTRUSION
Class 3 extends from max post to mand ant MAND RETRUSION
In what direction is a ligature tie twisted?
CLOCKWISE
What will occur if a ligature wire is too tight?
Break by tension
Brass wires should be inserted w/ what instrument?
Howe pliers
Hemostat pliers
Who can adjust head gear?
Dentist
What are the haweβs and jackscrew appliances for?
Palatial expansion divider
Used to treat crossbite by widening the max arch at the sutures
How do you remove an elastic separator?
W/ a scaler pulling away from ging tissue
What is the appropriate way to insert headgear?
One side at a time
Who can remove TP springs and brass wire separators?
DA
Direct supervision
How long should the twist be on a ligature tie and in what direction should it be bent?
Cut 4-5 mm and tuck under arch wire
In what 2 ways can arch wifeβs not be ligated into the ortho brackets?
Ligature wires- βA tiesβ
Elastic ligatures- βO tiesβ
What is a hawley retainer?
Most common ortho retainer
ONLY DENTIST ADJUSTS IT
What should you do if the arch wire does not seat?
Check the end of the arch wire
Look for debri on bracket and tube
Check wire
And tell dentist