Chapters 18, 24: Introduction to Dental Imaging Exams & Imaging Patients with Special Needs Flashcards
Types of Intraoral and Extraoral Imaging Exams, Modifications to Imaging Techniques
Define the term: right-angle technique
a localization technique in which the orientation of structures can be seen in two images (one periapical and one occlusal)
Define the term: intraoral image
- an image the results when an image receptor is placed inside the mouth and exposed to x-rays
- used to examine teeth
Define the term: temporomandibular joint tomography
an extraoral imaging technique used to examine the temporomandibular joint (TMJ)
Define the term: three-dimensional digital imaging
an image that demonstrates structures in three dimensions
Define the term: intraoral
inside the mouth
Which image receptor placement area is most likely to elicit the gag reflex?
maxillary molars
Define the term: occlusal examination
a type of intraoral examination used to inspect large areas of the maxilla or mandible in one image
Define the term: dental pediatrics
the branch of dentistry dealing with the diagnosis and treatment of dental diseases in children
Define the term: periapical image
intraoral image that is used to examine the crowns and roots of teeth
Define the term: non-diagnostic image
an image that is not diagnostically accurate due to technique errors and must be retaken
Define the term: physical disability
a physical impairment involving vision, hearing, or mobility
List the landmark requirements for a diagnostic image of mandibular incisors.
- the entire crowns and roots of all four mandibular incisors, including the apices and surrounding structures
- the contacts between the central incisors and the central and lateral incisors
Define the term: developmental disability
a substantial impairment of mental or physical functioning that occurs before age 22 and is of indefinite duration
Define the term: extraoral imaging
an inspection of large areas of the skull or jaws that requires the use of extraoral imaging receptors
Define the term: mandibular pediatric occlusal projection
a type of occlusal projection used to examine the anterior teeth of the mandible in children aged 5 years or younger
Define the term: edentulous
- without teeth
- an area where teeth are no longer present
Define the term: posterior teeth
first and second premolars/bicuspids, and first, second and third molars
When imaging posterior teeth, is the intraoral image receptor placed vertically or horizontally?
horizontally
Define the term: maxilla
the upper jaw
Define the term: lateral jaw projection- ramus of the mandible
an extraoral projection used to image the ramus of the mandible in order to evaluate impacted third molars, large lesions, and fractures that extend into the ramus of the mandible
Define the term: intraoral imaging examination
a dental imaging inspection of teeth and intraoral adjacent structures
Define the term: periapical
around the apex of a tooth
List the landmark requirements for a diagnostic image of mandibular molars.
- the entire crowns and roots of the first, second, and third molars, including the apices, alveolar crests, contact areas, and surrounding structures
- the distal contact of the mandibular second premolar
Define the term: image receptor placement
the specific area where the image receptor must be positioned before exposure
Define the term: torus (plural: tori)
a bony growth in the oral cavity
Define the term: Waters projection
an extraoral projection used to evaluate the maxillary sinus area
List the landmark requirements for a diagnostic image of a maxillary canine.
- the entire crown and root, including the apex and surrounding structures
- the interproximal alveolar bone and mesial contact of the canine
*the lingual cusp of the first premolar cannot obscure the distal contact of the canine
Define the term: maxillary topographic occlusal projection
a type of occlusal projection used to examine the palate and anterior teeth of the maxilla
Define the term: dental imaging
the creation of digital representation of anatomic structures for the purpose of diagnosis
Define the term: mandibular torus / torus mandibularis
a bony growth seen along the lingual aspect of the mandible
List the landmark requirements for a diagnostic image of a mandibular canine.
- the entire crown and root, including the apex and surrounding structures
- the interproximal alveolar bone and mesial and distal contacts of the canine
Define the term: bisecting technique
- an intraoral imaging technique used to expose periapical receptors
- the image receptor is placed along the lingual surface of the tooth, the central ray of the x-ray beam is directed perpendicular to the imaginary bisector formed by the image receptor and the long axis of the tooth
- receptor holder is used to stabilize the image receptor
Define the term: tooth-bearing areas
regions of the maxilla and mandible in which the 32 teeth of the human dentition are normally located
Define the term: panoramic image
an image that shows the wide view of the maxilla and the mandible surrounding structures
When imaging anterior teeth, is the intraoral image receptor placed vertically or horizontally?
vertically
Define the term: endodontic
found within a tooth
Define the term: panoramic imaging
an extraoral technique used to examine the upper and lower jaws on a single image
List the landmark requirements for a diagnostic image of maxillary premolars.
- the entire crowns and roots of the first and second premolar and first molar, including the apices, alveolar crests, contact areas, and surrounding structures
- the distal contact of the maxillary canine
Define the term: endodontic patient
a patient who has undergone endodontic therapy
Define the term: image interpretation
- an explanation of what is viewed on a dental image
- the ability to read what is revealed by a dental image
Define the term: interproximal examination
an intraoral inspection used to examine the crowns of both maxillary and mandibular teeth on a single image
Define the term: occlusal receptor
an image receptor is placed intraorally so that the patient occludes on the receptor in order to examine large areas of the maxilla or mandible
Define the term: extraoral
outside the mouth
List the landmark requirements for a diagnostic image of maxillary molars.
- the entire crowns and roots of the first, second, and third molars, including the apices, alveolar crests, contact areas, tuberosity region, and surrounding structures
- the distal contact of the maxillary second premolar