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Continuing Education Program—July 2012

Article 1: Restorative outcomes for endodontically treated teeth in the practitioners engaged in applied research and learning network

1. What percentage of the eligible restored teeth was classified as restorative failures three to five years after completion of endodontic therapy?

2. For the restorations that had been replaced, which one of the following was the most frequently reported reason?

3. Which one of the following did not increase the risk of restorative failure?

4. Which one of the following placed a tooth at increased risk of restorative failure?

Article 2: The effects of combined oral anticoagulant–aspirin therapy in patients undergoing tooth extractions: a prospective study

1. What was the mean international normalized ratio for patients in group A?

2. What percentage of patients in group A experienced postoperative bleeding?

3. How long after surgery were these minor bleeding complications noted?

4. Which one of the following represents the most serious intervention required in this study for achieving hemostasis?

Article 3: Preventing and treating white-spot lesions associated with orthodontic treatment: a survey of general dentists and orthodontists

1. Among general dentists responding to the survey, what was the median percentage of patients reported to have white-spot lesions (WSLs)?

2. Which one of the following was recommended for treatment of WSLs by the lowest percentage of general dentists with 10 to 20 years of experience?

3. Which one of the following was recommended for treatment of WSLs by the highest percentage of orthodontists with up to 10 years of experience?

4. Which one of the following was recommended for prevention of WSLs by the highest percentage of all orthodontists responding to the survey?

Article 4: A practitioner's guide to developing critical appraisal skills: observational studies

1. Which one of the following is best described as an outcome, rather than as an exposure?

2. Which one of the following types of observational studies provides the weakest form of clinical evidence?

3. In which type of study do investigators start with an outcome and then look for differences in past experiences?

4. Which one of the following best describes a risk factor that would lead to a confounding bias?

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