Techniques
What is the Reverse Towne Projection purpose?
To identify the fractures of the condylar neck and ramus area
What is in the Cephalostat?
Includes a receptor holder and head positioner, which allows the dental radiographer to position both the receptor and the patient easily
What does the TMJ stand for?
Temporomandibular Joint
What is the transcranial projection purpose?
To evaluate the superior surface of the condyle and the articular eminence
What is the size often used in Screen Film?
8 x 10in
Which projection is best for the examination of fractures of the zygomatic arch?
Submentovertex projection
What is the receptor placement of submentovertex projection?
The receptor is positioned perpendicular to the floor in a receptor-holding device with the long axis of the receptor positioned vertically
How is the front side of the Cassette made?
Its front side is typically constructed of plastic and permits the passage of the x-ray beam
Which projection is best for examination of soft tissue profile of the face?
Lateral cephalometric projection
What is the head position of the Lateral Cephalometric Projection?
The left side of the patient's head is positioned adjacent to the receptor with the midsagittal plane perpendicular to the floor and parallel to the receptor
What are the two types of intensifying screens?
Calcium Tungstate and Rare Earth screens
Which projection is best for the examination of the maxillary sinus?
Waters
What is the use of the Posteroanterior projection technique?
To evaluate facial growth and development, trauma, disease and developmental abnormalities, shows sinuses, nasal cavity and others
How is the Grid used?
Used to reduce scattered radiation
Which projection is best for the examination of a large lesion in the ramus?
Lateral Jaw