1. Hare’s teeth to fluorides, historical aspects of dentifrice use;Fischman,1992
2. Oral hygiene products: How far have we come in 6000 years?;Fischman;Periodontology 2000,1997
3. Mechanical oral hygiene practices;Frandsen,1986
4. Prevention. World Workshop in Periodontics;Hancock;Annals Periodontol,1996
5. The electric toothbrush, a review;Walmsley;Br Dent J,1997