Generally, professional dental cleaning is important for everyone, from the child to the elderly. In addition, the following groups in particular should receive dental prophylaxis several times a year (their individual recall interval is best determined individually by their dentist) to ensure optimal, healthy oral hygiene: Wearers of dental braces and retainers; Wearers of dentures; Patients with particularly misaligned teeth; Patients with diabetes; Patients with periodontal disease; Patients with a predisposition to caries; Smokers; Pregnant and breastfeeding women