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Continuing Education Program—May 2012

Article 1: An Analysis of Dentists’ Incomes, 1996–2009

1. After what year did the recent decline in general practitioners' (GPs') income levels begin?

2. After regression adjustment for age, sex and practice location, what average annual decrease in GPs’ incomes during the period studied was reported by the authors?

3. During the period studied, what was the net average change in real gross billings per visit?

4. What was the change in absolute number of dental visits in the United States during the period studied?

Article 2: The Effect of Long-term Disinfection on Clinical Contact Surfaces

1. Which one of the following surface types had the lowest blood removal score with use of tap water?

2. Which one of the following surface types had the highest blood removal score with every disinfectant used?

3. Which one of the following surface types had statistically significant differences between beginning and ending cleaning values for six of the seven solutions?

4. Which one of the following solutions had no statistically significant differences between beginning and ending cleaning values with all nine surface types tested?

Article 3: Outcomes of Endodontic Therapy in General Practice: A Study by the Practitioners Engaged in Applied Research and Learning Network

1. What was the most common reason for extraction of the endodontically treated index teeth?

2. Which one of the following was found to have the lowest odds ratio for association with an index tooth extraction?

3. What percentage of index teeth exhibited pain on percussion?

4. Which one of the following was significantly associated with subsequent failure of the index tooth’s endodontic treatment?

Article 4: Correlates of Change in Self-perceived Oral Health Among Older Adults in Brazil: Findings From the Health, Well-Being and Aging Study

1. What percentage of participants reported that they had experienced a decline in oral health during the study?

2. Which one of the following subgroups had the highest percentage of participants whose total score on the General Oral Health Assessment Index (GOHAI) had become worse during the study period?

3. Which one of the following characteristics identified the highest percentage of participants whose total GOHAI score had improved during the study period?

4. What was the adjusted odds ratio for having a negative change in GOHAI functional dimension score during the study period for people with 16 or more missing teeth?

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