ORTHODONTIC ASSISTANT FINAL EXAM ACTUAL EXAM 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES|ALREADY GRADED A+
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Course
ORTHODONTIC
Institution
ORTHODONTIC
ORTHODONTIC ASSISTANT FINAL EXAM
ACTUAL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES|ALREADY
GRADED A+
ORTHODONTIC ASSISTANT FINAL EXAM
ACTUAL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES|ALREADY
GRADED A+
ORTHODONTIC ASSISTANT FINAL EXAM 2023-2024
ACTUAL EXAM 200 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES|ALREADY
GRADED A+
What must be completed before orthodontic Tx can begin? - answer-A thorough hard and soft tissue
examination, oral hygiene assessment, and prophylaxis, charting of any periodontal pockets must be
noted
___________ or ___________ shifts of the mandible on closure are of special interest for orthodontic
purposes - answer-Lateral or anterior
What forms of diagnostic records are required before the clinical evaluation can be completed? -
answer-Photographs, radiographs, and diagnostic casts
______________ _________ document features such as tooth angulation, dental crowding, and the
presence of unerupted teeth. - answer-Diagnostic records
________________ capture the color, shape, texture, and characteristics of intraoral and extraoral
structures - answer-Photographs
How are photographs helpful in orthodontics? - answer-Patient identification, treatment planning, case
presentation, case documentation, and patient education.
Which two standard extraoral photographs are taken, and how should the patient's lips be? - answer-•
The frontal view, with the lips in a relaxed position
• A profile view of the patient's right side, with the lips in a relaxed position
Which three standard intraoral photographs are routinely taken? - answer-• The full direct view, which
includes all teeth in occlusion
• The maxillary occlusal view, which includes the palate and all maxillary occlusal surfaces
• The right buccal view, which includes the distal of the canine to the distal of the last molar view
,What is an important step when taking intraoral photographs? - answer-It is important that the cheeks
and lips are retracted sufficiently to show all structures
What is a panoramic radiograph utilized for in orthodontics? - answer-To view the eruption process of
primary and permanent teeth, as well as to evaluate the amount of space available for the eruption
process
What is a Cephalometric radiograph utilized for in orthodontics? - answer-to evaluate the anatomic
bases for malocclusion, as well as skull, bones, and soft tissue
Which intervals are serial Cephalometric radiographs taken and how are they used in combination after
treatment? - answer-They are taken before, during, and after Tx
After they can be superimposed for study of changes in jaw and tooth positions
Cephalometric analysis is not completed on the radiograph but instead is performed as a __________ or
a __________________ ____________ that emphasizes relationships among selected points - answer-
tracing
computerized drawing
Cephalometric landmarks are represented as a series of ________, making it possible for the
orthodontist to compute mathematical descriptions and measurements of the ________ of the skull -
answer-points
status
Cephalometric Landmarks and Points : Anterior Nasal Spine (ANS) - answer-The median bony process of
the maxilla at the lower margin of the anterior nasal opening
Cephalometric Landmarks and Points: Gnathion (Gn): - answer-the center of the inferior contour of the
chin
Cephalometric Landmarks and Points: Gonion (Go): - answer-the center of the inferior contour of the
mandibular angle
, Cephalometric Landmarks and Points: Menton (Me): - answer-the most inferior point on the mandibular
symphysis (the bottom of the chin)
Cephalometric Landmarks and Points: Nasion (Na): - answer-the anterior point of the intersection
between the nasal and frontal bones
Cephalometric Landmarks and Points: Orbitale (Or): - answer-the lowest point on the inferior margin of
the orbit
Cephalometric Landmarks and Points: Pogonion (Pog): - answer-the most anterior point on the contour
of the chin
Cephalometric Landmarks and Points: Point A: - answer-the innermost point on the contour of the
premaxilla between the anterior nasal spine and the incisor
Cephalometric Landmarks and Points: Point B: - answer-the innermost point on the contour of the
mandible between the incisor and the bony chin
Cephalometric Landmarks and Points: Posterior nasal spine (PNS): - answer-the tip of the posterior spine
of the palatine bone, at the junction of the hard and soft palates
______________ _______ are used for the diagnosis and case presentation of the orthodontic patient,
as well as for space analysis of the dentition - answer-Diagnostic casts
The orthodontic diagnostic cast is commonly made from __________ and is constructed in a precise and
finished manner - answer-plaster
How long is reserved for the case presentation visit? - answer-1 hour
What will the orthodontist use as aids to present the diagnosis and treatment plan - answer-
Photographs
Radiographs
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