The excess material escaping between the tooth and the matrix band is called the ____________
a. overhang
b. margin
c. floor
d. none of the above
a
RATIONALE: The excess material escaping between the tooth and the matrix band is called the overhang.
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What type of Laboratory can perform tests needed in an emergency situation?
A) Public Health Lab B) Hospital Lab C) Independent Clinical Lab D) Physician's Office Laboratory
Which of the following statements is FALSE?
a. A sterile cotton roll may be placed on the opposite side of the bite block for stabilization of the image receptor holder. b. The external indicator ring attachment must be as close to the patient's skin as possible without touching. c. The patient must bite down on the bite block firmly enough to hold the image receptor in place. d. The bite block back plate must be at a 105-degree angle for use with the paralleling technique