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Glossary of Orthodontic Terms: A Guide to Dental Assisting, Exams of Orthodontics

A comprehensive glossary of terms commonly used in orthodontics, focusing on dental assisting. It defines key concepts, procedures, and equipment used in orthodontic treatment, offering a valuable resource for students and professionals in the field. The glossary covers a wide range of topics, including arch wire, auxiliaries, bands, braces, brackets, cephalometric radiographs, cross-bite, crowding, dentofacial structures, distoclusion, ectopic eruption, fetal molding, headgear, ligature ties, occlusion, malocclusion, mesioclusion, open bite, orthodontics, overbite, overjet, positioner, retainer, separator, morphology, periodontal ligaments, arch length, and ovoid and tapered arch shapes.

Typology: Exams

2024/2025

Available from 01/18/2025

tizian-kylan
tizian-kylan 🇺🇸

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Dental Assisting – Orthodontics Latest
Update Graded A+
arch wire
contoured metal wire that provides force when teeth are guided in movement for orthodontics
auxilary
attachment located on a bracket or band to hold arch wire or elastic
band
stainless steel ring attached to molars to hold the arch wire and auxiliaries
braces
fixed orthodontic appliances
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Dental Assisting – Orthodontics Latest

Update Graded A+

arch wire

contoured metal wire that provides force when teeth are guided in movement for orthodontics

auxilary

attachment located on a bracket or band to hold arch wire or elastic

band

stainless steel ring attached to molars to hold the arch wire and auxiliaries

braces

fixed orthodontic appliances

bracket

small device bonded to teeth to hold the arch wire in place

cephalometric radiograph

extra-oral radiograph of bones and tissues of the head

cross-bite

condition that occurs when a tooth is not properly aligned with its opposing tooth

crowding

fetal molding

pressure applied to the jaw causing a distortion

headgear

external orthodontic appliance used to control growth and tooth movement

ligature tie

light wire or elastic used to hold the arch wire in its bracket (pink in picture)

occlusion

describes any contact between the chewing surfaces of the upper and lower teeth

malocclusion

any deviation from the normal positioning of the upper teeth against the lower teeth

mesioclusion

class III (3) malocclusion

open bite

lack of vertical overlap of maxillary incisors, creating an opening in the anterior teeth

orthodontics

Specialty of dentistry designed to prevent, intercept, and correct skeletal and dental problems

separator

device made from wire or elastic and used to separate molars before fitting and placement of orthodontic bands

morphology

the study of form and structure (of teeth)

periodontal ligaments

commonly abbreviated as the PDL, is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits.

arch length

the distance from the distal point of the most posterior tooth on one side of the upper or lower jaw to the same point on the other side, usually measured through the points of contact between adjoining teeth.

ovoid

u-shaped, preferred shape of arch

tapered arch

v-shaped, narrow faces