A practical book for dental hygienists and assistants, containing 80 short videos. The cover has some scratches. There was writing on the page shown in the second photo, but it has been erased with an eraser. Please understand that this item has been handled by someone before purchasing. - Title: Oshigoto Handbook - Authors: Kazuo Watanabe, Koji Kiuchi, Takami Sato, Miyuki Matsuura - Contents: Practical book for dental hygienists and dental assistants - Features: Includes 80 short videos - Publisher: Quintessence Publishing - Price: 3,300 yen (excluding tax)