Film video notes Flashcards
What is the purpose of this presentation?
To educate Dental Assisting students about dental film
What types of film sizes are assigned numbers?
1, 2, 3, 4, panoramic film size, cephalometric film size
Which film size is primarily used for bitewing and periapical images?
Number 2 film
What age range can a number 2 film be used for in pediatric dentistry?
8 to 12 years old
What is the size of a number 3 film?
Rectangular, used as a bitewing film
What does a number 4 film allow us to image?
Entire maxillary or mandibular dental arch
What is the typical size of a cephalometric film?
8x10 inches
What is the recommended film size for anterior images?
Number 1 film
What is the significance of film packaging information for dental assistants?
To order and purchase the correct dental film
What does the film code IP-01 indicate?
Size 0 film with one film in the packet
What is film speed?
Amount of radiation required to expose a film
Which letters commonly represent film speed?
D, E, F
What organization oversees the standards for film speed?
American National Standard Institute (ANSI)
How does higher film speed affect radiation exposure?
Less radiation is needed to produce an image
What are the two types of film packets mentioned?
Poly packets and paper packets
What is a moisture-resistant outer wrapping used for?
To prevent saliva contamination of the film
What is the purpose of the black paper in a film packet?
To prevent light exposure to the film
What does the lead foil in a film packet do?
Prevents x-rays from penetrating the back of the packet
What is the composition of dental film made up of?
Layers including film base, emulsion, and protective layer
What should be checked on film packaging before use?
Expiration date
True or False: Expired film can provide clear images.
False
Fill in the blank: The film speed is represented by a _______.
[letter designation]
What is the recommended practice regarding ordering film?
Order fresh film with high speed