2025 QUESTIONS AND CORRECT ANSWERS /
GRADED A+ / GUARANTEED PASS!!
_____ are a form of electromagnetic radiation, as is visible light, however, x rays
can penetrate or pass through the human body and produce shadow like images.
- answer-X rays
_____________ at the skins surface is easier to measure and is used in national
surveys of x ray equipment.
- answer-Dose estimated
_____________ dose Or just done is often described using the quantity effective
dose, expressed in millisievert (mSv)
- answer-Radiation
______________ are larger than most x rays. They highlight tooth development
and placement or localization of teeth. Each x ray shows nearly the full arch of
teeth in either the upper or lower jaw. This radiograph shows the teeth and arch
from the occlusal surface, as if looking down at the teeth instead of from the inside.
- answer-Occlusal radiographs
__________dose is a measure of how much energy is absorbed when something or
someone is exposed to x rays.
- answer-Radiation dose
A dose reduction exceeding ________ % can be achieved in dental radiology by
using rectangular collimation
- answer-60%
Bitewing radiographs are used to look at the ________ of the teeth.
- answer-Crowns
, CBCT doses cover a _______ range but may be tens or even hundreds of micro Sc
of effective dose higher than conventional radio graphic techniques
- answer-Wide range
Dental radiology dose levels are usually a small fraction of one ______
- answer-Gray
Depending on the oral health and dental history of the patient, the dentist may
recommend a ________ radiograph surgery, or FMX. This includes every tooth,
from crown to root to supporting structures. They are x rayed using both bite wing
and periapical radiographs.
- answer-Full mouth radiogrpahic surgery or FMX
Doses for panoramic procedures are more _____ , but even at a high end of the
range are equivalent to a few days of natural background radiation.
- answer-Variable
Each radiograph shows upper and lower molars ( back teeth) and bicuspids (teeth
in the front of the molars) these x rays are called
- answer-Bite wings
Effective dose for CBCT procedures
Name dosage for small and large volume
- answer-34-652 uSv for smaller dental alveolar volumes
30-1079 uSv for large "cranio-facial " volumes
Effective dose for cephalometric examinations
- answer-2-3 uSv
Effective dose for intraoral dental x ray imaging procedure
- answer-1-8 uSv
Effective dose for panoramic examinations
- answer-4-30 uSv
Every person is exposed to natural background radiation from their surroundings,
such as earth, food, and others and even our own body. This type of radiation
(_____________) depends upon where one lives, an individual can be exposed
__________ mSv every year.
- answer-Gamma rays, 1-3 mSv year