Important Info 2.1 Flashcards
zygomatic process of the maxilla
zygoma
Intermaxillary Suture
incisive foramen
mental foramen
mental ridge
internal oblique ridge
anterior border of the ramus
soft tissue of the nose
floor of the nasal cavity
Which of the following will increase magnification?
Decrease receptor to object distance? I don’t remember choices here
I think increase receptor to object distance - Molly
What does increasing the source to receptor distance do?
Decrease magnification and increase sharpness
Recommended diameter of collimator
2.75 inches
Natural Background radiation (ionizing) example
Radon
Background radiation example
cosmic
Pregnant individual maximum exposure
0.5 Rem
500 mRem
5 mSv
Occupational MPD
5 Rem
50 mSv
Non-occupational MPD
0.5 rem
5 mSv
The prodromal period effects are
Non-lethal
If the energy/dose thing is higher than an x ray, the absorbed dose is ____ the equivalent dose
Less than
For radiation that has higher quality factor, the equivalent dose will be ____ to the absorbed dose
Higher than
Which uses the tissue sensitivity factor?
Effective dose
What uses the radiation weighting factor?
Equivalent dose
For foreshortening: beam is _____ to the tooth and the receptor and tooth are _____
not perpendicular (to the tooth), not parallel
If the tooth is not parallel to the receptor, and the beam is perpendicular to the tooth, the tooth will appear
Longer than the actual size (elongation)
The latent period in radiation biology is
The time between radiation exposure and onset of biological effects
Effect of radiation to the oral cavity in regards to erupted teeth are
Indirect
What is an example of an indirect effect of radiographs taken in the oral cavity
Radiation caries
Error picture (left hand corner was all blurry and white)
Bending
According to 2012 FDA/ADA recommendations, what radiographs would you take for a new patient?
Individualized radiographics based on clinical assessment
According to 2012 FDA/ADA recommendations, what radiographs would you take for an adult recall patient?
Posterior bitewings at 24-36
Bisecting angle technique is perpendicular to what
Neither the tooth or receptor
Overlapping of contacts occurs due error in what
Horizontal angulation
What would decrease the penumbra of the image?
Increasing source to object ratio
Increasing the source to object distance will
Increase sharpness, decrease magnification
This picture is due to what technical error
Incorrect xcp assembly
According to the slob rule, when you move the tubehead mesially, and the object also moves mesially, where is it located?
Lingually
What is the most lethal part of hematopoietic syndrome?
Sepsis
Which part of acute radiation syndrome has the most severe biological effects?
CNS/Cardiovascular Syndrome
What is true about stochastic effects?
Probability of occurrence is proportional to dose
Image of cone cut, asked which collimator and what caused the cone cut
Rectangular; Improper horizontal angulation
Miss nice lady A got cancer from radiation but her kids were not affected?
Somatic issue
Which of the following causes increased effects of radiation biology?
Increase oxygen and younger age
On MiCAPS, the mirror option will help fix
Plate exposed backwards
Protocol for taking radiographs on a pregnant patient
Indicated for acute, painful dental problems diagnosis only
Which of the following is not a syndrome of acute radiation syndrome?
Renal
Increasing which of the following decreases penumbra (unsharpness)?
Source to object distance
