Plaque and Tartar in Everyday Life: Care Tips and Dental Advice

http://wiki.saomaitech.vn/index.php/A_Practical_Decision_Guide_for_Gaps_Between_Teeth

Good dental planning starts with knowing what has changed and what you want to improve. Plaque is a soft bacterial film that forms on teeth, while tartar is hardened plaque that cannot be brushed away easily