Radiographs add each of the following to an assessment of periodontal disease EXCEPT one. Which one is the EXCEPTION?
a. Root morphology and lengths
b. The amount of supporting bone between the teeth
c. The length of a clinical crown
d. The presence of dilacerate roots
c. Radiographs can reveal information about root morphology and lengths and the presence of dilacerations; root shape and width, such as multirooted teeth with ample supporting bone in between the roots; or narrow, close, or fused roots, all of which can help determine the treatment and predict treatment outcomes.
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Calculate the following dosages by using dimensional analysis. A dosage of lidocaine HCl 15 mg is ordered. Lidocaine 20 mg / mL is available. How many mL should be injected?A. 0.3 mLB. 0.6 mLC. 0.8 mLD. 1.2 mL
What will be an ideal response?
For which of the following does a patient pay a monthly premium for medical coverage?
A. Primary insurance B. Life insurance C. Personal umbrella D. None of these
Which of the following is an organism requiring special media and an atmosphere of reduced oxygen and increased carbon dioxide?
a. Streptococcus b. Neisseria gonorrhoeae c. Staphylococcus d. Escherichia coli
What is the major purpose of epidemiology triangles?
What will be an ideal response?