Each of the following is a use of radiographs in the assessment of periodontal disease prognosis EXCEPT one. Which one is the EXCEPTION?
a. Evaluating root-to-crown ratio
b. Detecting furcation involvement
c. Determining active versus inactive disease
d. Revealing root shape and length
c. A complete periodontal assessment must include a clinical examination. Because radiographs cannot image the condition of soft tissues, a clinical examination must be used to distinguish between active and inactive disease.
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A 97% purity standard is required for which of the following gases?
a. Ethylene c. Nitric oxide b. Nitrogen d. Nitrous oxide
Drugs that cause xerostomia increase one's risk of developing dental ________
Fill in the blank(s) with correct word
If a sodium citrate tube is "overfilled," what can happen?
a. shortened clotting times b. longer clotting times c. the additive is inactivated d. nothing bad can happen
A tear in the muscle wall through which an organ of the body protrudes is a(n):
A. spasm or cramp. B. hernia. C. tendinitis. D. ataxia.