1. Studies included from the search for this systematic review.
2. Mosely TI 1940 http://www.freepatentsonline.com/2196667.html
3. Testing the efficacy of 2 prototype brush heads for a powered toothbrush: refining the model;McCracken;J Clin Periodontol,2002
4. Plaque removal efficacy of a prototype power toothbrush compared to a positive control manual toothbrush;Williams;Am J Dent,2003
5. A randomized 12-week study to compare the gingivitis and plaque reduction benefits of a rotation-oscillation power toothbrush and a sonic power toothbrush;Goyal;J Clin Dent,2009