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Continuing Education Program — December 2011

Article 1: Dental procedures and subsequent prosthetic joint infections: findings from the Medicare Current Beneficiary Survey

1. Among the 1,000 patients who had undergone total joint arthroplasty, how many developed a prosthetic joint infection (PJI) during the study period?

2. What percentage of those who developed a PJI during the study period had and did not have, respectively, a dental visit after undergoing joint surgery?

3. Which one of the following statements correctly summarizes the findings regarding hazard ratios (HRs) in which a value greater than 1.0 suggests an association for PJI that occurred after invasive dental procedures?

4. Of the 42 patients in the sample who had PJIs either before or during the study period, how many had undergone invasive dental procedures during the 90 days preceding the PJI?

Article 2: Restoration of noncarious tooth defects by dentists in The Dental Practice-Based Research Network

1. Overall, what was the most common reason for placement of the restorations in this study?

2. What was the most common reason for placement of the restorations for patients of large group practices?

3. What was the most common reason for placement of the restorations on molars?

4. What was the most common reason for placement among the resin-based composite restorations in this study?

Article 3: Treating dental patients who use oral antithrombotic medication: a survey of dentists in the Netherlands

1. What percentage of the dentists in this study reported that they were not familiar with the international normalized ratio?

2. What percentage of dentists reported that they would perform extractions of one to three teeth without temporary discontinuation of the patient’s acetylsalicylic acid therapy?

3. What percentage of respondents estimated the risk of rethrombosis after dental procedures to be “relatively low” for patients in whom acetylsalicylic acid therapy is discontinued temporarily?

4. What percentage of respondents estimated the risk of rethrombosis to be “high” after temporary discontinuation of acetylsalicylic acid therapy?

Article 4: The declining number of practicing African American dentists in Cuyahoga County, Ohio, 1970 through 2010

1. What was the percentage decrease in the number of practicing African American dentists in Cuyahoga County, Ohio, from 2000 through 2010?

2. In 2010, what percentage of practicing black dentists in Cuyahoga County were 55 years or older?

3. In 2010, what percentage of practicing dentists in Cuyahoga County were black?

4. By what percentage did the overall population of Cleveland decrease from 2000 through 2010?

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