Questions & Answers (Rated
A+)
Conceptial Research ||
2024
,DASLE 2024 MN Exam || 350 Questions
& Answers (Rated A+)
What rubberdam frame can be used UNDER the dam? - ANSWER - Plastic U-
shaped frame
A clamp that can be used for partially erupted tooth and has wings is the ? -
ANSWER - "A" clamp, jaws that bend sharply down towards the gingiva
Which color of dental dam provides more contrast against the tooth? - ANSWER -
Darker
Which side of the dental clamp is seated first? - ANSWER - lingual
The rubber dam clamp is positioned BELOW the - ANSWER - height of contour
Greater tissue retraction of the dental dam can be accomplished with - ANSWER -
Heavy weight dental dam
Which clamp is required if the gingival 1/3 of the tooth needs to be restored? -
ANSWER - Cervical clamp
Which clamp is designed with extra extensions to help retain the clamp? - ANSWER
- Winged
The anchor tooth requires what size of hole? - ANSWER - 5
A double bowed rubberdam clamp is - ANSWER - A cervical clamp , butterfly clamp ,
used for a class V restoration , used for an anterior tooth during an endo treatment .
The gingival tissue is exposed and leakage occurs. This is caused by? - ANSWER -
Holes punched TOO CLOSE together
Dental dam bunches between teeth. This is caused by? - ANSWER - Holes TOO
FAR apart
Genetic radiation effects - ANSWER - Not seen in patient, passed onto future
generation
Somatic radiation effects - ANSWER - seen in the person irradiated (cancer,
leukemia, cataracts), not passed onto future generations
Roentgen (R) - ANSWER - Amount of radiation in the air
Radiation absorbed dose (Rad) - ANSWER - the amount of radiation energy
absorbed by a tissue
Roentgen (REM) - ANSWER - Biological effects
, Radiosensitive - ANSWER - Blood cells, immature reproductive cells, young bone
cells, small lymphatic *Most sensitive
Critical organ - ANSWER - if damaged, diminishes the quality of a person's life (skin,
thyroid, lens of eye, bone marrow)
How far do you stand from the tube head? - ANSWER - 6 ft
ALARA stands for? - ANSWER - As Low As Reasonably Achievable
Lead apron - ANSWER - Recommended for both intra-oral and extra-oral
radiographs
Thyroid collar - ANSWER - Intra-oral X-rays only
Occlusal size film? - ANSWER - 4
Least radiosensitive cells - ANSWER - muscle cells and nerve cells, mature cells
What film should be taken first for a patient with strong gag reflex? - ANSWER -
Anterior
What restricts the size and shape of the x-ray beam? - ANSWER - Lead diaphragm -
to size 2.75
Who would be least susceptible to radiation? - ANSWER - 35 year old woman
Size film for occlusal on a 5 year old? - ANSWER - 2
What is ankyloglossia? - ANSWER - tongue-tied
What film would the coronoid process be found? - ANSWER - Maxillary molar
What do you do for a shallow pallet when taking radiographs? - ANSWER - Increase
vertical angle (VA)
Incorrect horizontal angulation (HA) - ANSWER - Overlapping
Incorrect vertical angulation (VA) - ANSWER - Foreshortening if too much VA,
Elongation if too little VA
Occlusal plane should be... - ANSWER - Parallel to the floor
Panoramic radiograph - ANSWER - Extraoral x-ray showing both the maxilla &
mandible in full on 1 film
Sharpness - ANSWER - capability of the receptor to reproduce the distinct outlines
of an object