ISBN-13: 9786135857559 / Angielski / Miękka / 2018 / 144 str.
This book is about the design and characteristic features of the manual and powered toothbrushes followed by brief discussion of the new toothbrushes with improved designing of the bristle,handle and head design and some speciality toothbrushes.It also discusses various brushing time and techniques both in adults and children with special emphasis on the position and toothbrush modifications in special children.