Tooth surface Brush the bite surface firmly, and for smooth teeth. ◆ Multi-fit brush for ions ◆. ■ Target product number: EW-DE45-P/EW-DE42-S/EW-DE43-S/EW1044-A/EW-DE54-W/EW-DE55-W/EW-DE24-W/EW-DE25-W/EW-DE20-A/EW-DE21-A/EW-DE44-A/EW-TDEF4-W/EW1046-N/EW1045-S/EW-DE40-N/EW-DE54-K/ EW-DE55-K/EW-DE41-S.