1. Chewing sticks: Timeless natural toothbrushes for oral cleansing;Wu;J Periodontal Res,2001
2. An investigation into toothbrush wear related to months of use among university students;Gundavarapu;Can J Dent Hyg,2015
3. American Dental Association. Acceptance Program Guidelines: Chemotherapeutic Products for Control of Gingivitis (2008) and Toothbrushes (2012). Chicago: American Dental Association; 2017.
4. Dental wear: A scanning electron microscope study;Levrini;Biomed Res Int,2014
5. Tooth brush and brushing technique;Kumar;J Adv Med,2013