Effectiveness of Two Different Desensitizing Dental Varnishes

Inclusion Criteria: * Informed Consent signed by the subject * Age: 18-65 years * Hypersensitivity assessment scale ≥ Grade 2 in * two non-neighboring teeth in different quadrants * The affected teeth are/have: vital, caries-free, received no restorations within the last month * No change in medication anticipated over the next 3 months (e.g. due to upcoming surgery etc.) Exclusion Criteria: * Contraindications and limitations of the MD as described in the instructions for use. * Known hypersensitivity or allergy to the device material (especially acrylates, mint flavouring) * Pregnant or other vulnerable subjects * Participants with severe systemic disease * Enrolment of employees of the dental clinic of Ivoclar Vivadent AG * Recent change in medication concerning Analgesics, NSAIDs, psychotropic drugs, other medications that may alter pain perception * Intake of analgesics prior to appointment * Professional desensitizing therapy in the last 3 months * Bleaching procedures in the last 4 weeks * Confounding dental conditions at test sites: defective or extensive restorations, abutment teeth for prostheses, recent restorations, pulpitis/periapical pathology. * Current or recent use of desensitizing toothpastes or mouthrinses (i.e. products specifically marketed for the treatment of dentin hypersensitivity) within 4 weeks prior to enrolment