Optimal oral hygiene – One Drop Only interdental brush 0.4 mm for thorough interdental cleaning (40% of the tooth surface is only accessible with an interdental toothbrush). With an interdental cleaning, bad breath, tooth decay and gum inflammation can be prevented. Gentle cleaning – the coated wire of the interdental brushes reduces the risk of injury, protects free tooth necks and is ideal for cleaning under bridges, implants and orthodontic appliances. Ergonomically shaped – with the intelligently angled head of the interdental cleaner brushes, hard-to-reach interdental spaces (between the molars) are easily reached. The long and contoured handle of the dental brushes ensures a secure grip. 4 sizes – The interdental brushes are available in 4 common sizes (XS: 0.4 mm, S: 0.5 mm, M: 0.6 mm and L: 0.7 mm). For the selection of the right interdental brushes, it is recommended if necessary. consultation with your dentist. Clinically tested – the One Drop Only intermediate toothbrushes meet the highest quality criteria. The toothbrushes provide the ideal basis for flawless oral care.