Exam 28: Orthodontics

The purpose of a space maintainer is to maintain space.

A Hawley appliance is an example of a(n) ____________.

What is used to attach the archwire to the brackets?

The specialized bone cells that cause bone to break down are

What is the name given to an appliance that improves an overbite by encouraging lower jaw growth?

An abnormal horizontal distance between the labial surface of mandibular anterior teeth and the lingual surface of maxillary teeth is an ____________.

What is used to widen the maxillary arch?

The invisible aligners provide a method of tooth straightening without traditional braces. With the average case, the number of "aligners" in a series could be ________ aligners per case.

Malocclusion caused from such habits as mouth breathing, bruxism, and nail-biting are considered __________ factors.

The twisted ends of the ligature wire is cut to ______ mm.

Brackets for anterior teeth are held in place with ____________.

The teeth are allowed to be moved through the process of ____________.

The orthodontist takes radiographs as part of the diagnosis procedure. The cephalometric films are taken to determine the course of treatment. The cephalometric is taken to assist in the evaluation of the ____________.

The most common method of classifying occlusion types is the __________ system.

Malocclusion caused from congenitally missing teeth or facial clefts are considered __________ factors.

The dental assistant must be careful to pass the cement-filled bands in the order of sequence of placement.

To make a retainer for a patient, what must be done first?

Three-dimensional technologies have allowed orthodontic treatment without the need for plaster model casts and hand bending of wires.

What is used to provide force for movement and is used between the maxillary and mandibular arches?

Which type of radiograph is used to make tracings to determine the relationship of certain landmarks?