The American Dental Association Center for Evidence-Based Dentistry continues to add to their database of critical appraisals and have recently published a number of critical appraisals :-
The Relationship between Bisphosphonates and Atrial Fibrillation
Socket preservation of implant sites
Possible Inverse Relationship between Level of Educational Attainment and Risk for Chronic Periodontitis
Preoperative antisepsis with topical chlorhexidine in clean-contaminated surgery may reduce postoperative wound infection.