Anatomy
These are tonsils found at the side of the throat opposite the back of the tongue.
What are palatine tonsils?
Two separate teeth created from a single tooth bud.
What is twinning?
Bacteria that grow in the absence of oxygen.
What is anaerobic bacteria?
First step in processing radiographic film
What is developing?
How should lead aprons be stored?
Hung or laid flat
This is the space between the lips or cheeks and the teeth.
What is vestibule?
A large bony growth in the hard palate.
What is a palatal tori?
He was the father of microbiology.
Who was Louis Pasteur?
The radiation that is formed by the interaction of x-rays with matter.
What is scatter radiation?
If an x-ray penetrates dense tissue, how will the area on the film appear?
Light/radiopaque
The red margin of the upper and lower lip that extends from the exterior edge of the intra-oral labial mucosa to the extra-oral junction of the lips. (where lipstick is often applied)
What is the vermillion zone?
Small extra growths of bone on a bone surface; usually seen on the buccal cortical plate.
What is exostoses?
The most resilient form of bacteria.
What is a spore?
The time between patient exposure to radiation and the appearance of biological damage.
What is latent period?
What does excessive vertical angle cause?
Foreshortening
A small depression at the midline of the upper lip.
What is the philtrum?
Misplaced sebaceous glands in the lips, cheek, or retromolar pad area.
What are Fordyce granules?
A persistent infection in which symptoms come and go.
What is latent infection?
When exposing radiographs, this is the minimum distance the operator should stand from the tube head.
6 feet
What causes a blurred film?
Patient, sensor or tube head movement.
A pad of tissue behind the mandibular third molars found in retromolar triangle.
What is the retromolar pad?
Condition in which the lingual frenum is short and attached to the tip of the tongue, making normal speech difficult.
What is ankyloglossia? (tongue tied)
Protective clothing, masks, gloves, and eye-wear to protect employees
What is PPE?
This is used to measure excessive occupational exposure.
What is a film badge?
Who in the office owns the x-ray machine?