Exam 60: Orthodontics

Wire ligatures should be twisted and cut,leaving a _____-mm pigtail.

What is the most common type of attachment for fixed appliances?

Arch wires that are made of _____ are useful in early stages of treatment because they are flexible.

What is the purpose of the arch wire?

Which instrument is used in the placement of arch wires?

Which radiograph is most commonly exposed on an orthodontic patient?

An orthodontic tooth positioner is not used for which purpose?

Before placement of _______,separators may be necessary.

The arch wire that is used as a "working arch wire" is:

In ______,the mesiobuccal cusp of the maxillary permanent first molar occludes in the interdental space between the distal cusp of the mandibular first second premolar.

What instrument is used to disengage wire ties when removing an arch wire?

Which of the following is incorrect about customized aligners?

Which statement is incorrect about sticky candy and gum use during orthodontic treatment?

Which step is first in preparation for bonding the brackets to the teeth?

Which statement is incorrect pertaining to dental assistant duties in an orthodontic practice?

In orthodontics,which radiograph is taken to study and make measurements of the skull and analyze growth patterns?

On which teeth are brackets most commonly bonded?

Which foods should be avoided by patients with fixed appliances?

Which instrument contours a bound around the tooth to allow for minimal exposed cement at the margins?

_____ separators are placed between contacts with a "sawing" or flossing motion.