Which of the following dental materials will most likely have a see-through appearance radiographically?
A) A stainless steel crown
B) Gutta-purcha
C) A temporary filling
D) Acrylic resin
A
Explanation: A) As a temporary restoration, this metal is less dense and will allow the passage of more x-rays, giving the material a "see-through" appearance.
B) As a temporary restoration, this metal is less dense and will allow the passage of more x-rays, giving the material a "see-through" appearance.
C) As a temporary restoration, this metal is less dense and will allow the passage of more x-rays, giving the material a "see-through" appearance.
D) As a temporary restoration, this metal is less dense and will allow the passage of more x-rays, giving the material a "see-through" appearance.
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First-generation antihistamines can cause which of the following effects? 1. Drying of upper airway secretions 2. Sedation 3. Decreased rhinitis 4. Decreased sneezing 5. Drowsiness
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One reason for hematoma formation during venipuncture is that the:
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A device that is designed to take the place of a human anatomical site is a/n:
a. Artificial device. b. Mechanical device. c. Orthotic device. d. Prosthetic device.