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Continuing Education Program—February 2012

Article 1: Twenty-four month clinical evaluation of fissure sealants on partially erupted permanent first molars: glass ionomer versus resin-based sealant

1. What percentage of sealants in the resin-based group had no marginal staining at the 12-month follow-up examination?

2. What percentage of sealants in the resin-based group had no marginal staining at the 24-month follow-up examination?

3. How many of the sealants in each group were retained completely at the 12-month follow-up examination?

4. How many of the sealants in each group were retained completely at the 24-month follow-up examination?

Article 2: Immediate postextraction implant placement with immediate loading for maxillary full-arch rehabilitation: A two-year retrospective analysis

1. What was the implant survival rate at two years?

2. What was the mean implant bone level at two years?

3.What was the mean probing depth after two years?

4. What was the mean gingival inflammation index score at two years?

Article 3: The effect of smoking on the bioavailability of metronidazole in plasma and saliva

1. What was the longest period after metronidazole administration at which plasmatic concentration of the drug was significantly lower for smokers than for nonsmokers?

2. What was the longest period after metronidazole administration at which salivary concentration of the drug was significantly lower for smokers than for nonsmokers?

3. Which one of the following pharmacokinetic measures differed significantly in plasma for smokers and nonsmokers?

4. Which of the following pharmacokinetic measures differed significantly in saliva for smokers and nonsmokers?

Article 4: Isolation of Staphylococcus aureus from environmental surfaces in an academic dental clinic

1. What percentage of all tested surfaces were contaminated by Staphylococcus aureus?

2. What percentage of personal surfaces within patient care areas were contaminated by S. aureus?

3. Which one of the following locations within patient care areas had no tested surfaces that were positive for S. aureus?

4. Which one of the following surfaces was considered highly contaminated with S. aureus?

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