Chapter 60 Orthodontics

A(n) _______ is a stainless steel ring cemented to molars to hold the arch wire for orthodontics.

• seperator

• bracket

• arch wire

• band

A(n) __________ is a small device bonded to teeth to hold the arch wire in place.

• seperator

• bracket

• arch wire

• band

An extraoral radiograph that shows a lateral view of the skull, and often used in orthodontics is a _______.

• panoramic

• panalipse

• cephalometric

• bitewing

An appliance used for maintaining the positions of teeth and jaws after orthodontic treatment is a(n) _______.

• ligature wire

• arch wire

• retainer

• band

Individuals in what age group seek orthodontic care?

• adolescents

• teenagers

• adults

• all of the above

What can be a cause of GENETIC malocclusion

• Parent with small jaw

• ectopic eruption

• thumb sucking

• fetal moulding

What is the term for abnormal occlusion?

• distoocclusion

• mesiocclusion

• malocculsion

• facial occlusion

If a person occludes and you cannot see his or her mandibular anterior teeth, the diagnosis is _______.

• openbite

• crossbite

• over jet

• over bite

What instrument is part of the setup for seating and cementing a molar band?

• howe plires

• bitestick

• explorer

• hemostat

To ease the placement of orthodontic bands, what procedure is completed to open the contact between teeth?

• Wearing a positioner

• Placement of a ligature tie

• Bonding of a bracket

• Placement of a seperator