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North Korea was Communist and backed by China during the Korean War.

A dental hygienist is reviewing the periodontal chart for a patient who is scheduled for a 1-hour appointment tomorrow. The periodontal chart indicates that all the probing depths are between 1 and 3 mm. The periodontal chart does not indicate the position of the gingival margin or any clinical attachment readings. Can the dental hygienist assume that this patient has a healthy periodontium?

Which of the following is most important when interpreting a professional journal article?

Which of the following nutrients are examples of antioxidants:

Which of the following is a benefit of activity in a professional association as it relates to best practices?

A patient has a 9-mm attachment loss on a maxillary first molar. The hygienist applies moderate pressure against the occlusal surface in an upward direction. The hygienist is assessing the tooth for:

Diode lasers seek what tissue targets?

Scurvy develops due to a Vitamin C deficiency. Which of the following statements is true?

When laser energy interacts with biologic tissue, the effect is influenced by:

**Extra Credit Problem** (up to 3pts extra credit) Will need to be documented in video of HonorLock before closing the exam to earn full credit.   A company finds that the marginal profit for a product is given by