Evaluation of the Effect of the Gel on Sensitive Teeth

Inclusion Criteria: * Healthy female and male subjects (no specific repartition) * Aged between 18 years old * Subjects with dentine hyperesthesia * Have a minimum of two hypersensitive teeth anterior to non-consecutive molars, with cervical erosion/abrasion or gingival recession, and with a grade greater than or equal to 1 on the verbal rating scale (VRS) after tactile simulation, and greater than or equal to 1 on the Schiff cold air sensitive scale at the beginning of the study. * Subjects certifying the truthfulness of the personal data disclosed to the investigator * Subjects able to understand the language used in the investigation canter and the information given by the investigator * Subjects able to respect the instructions given by the investigator as well as able to respect the study constraints and specific requirements * The pharmacological therapy (except for the pharmacological therapy in the non-inclusion criteria) should be stable for at least one month without any changes expected or planned during the study * Commitment not to change the daily routine or the lifestyle * Subjects who have not been recently involved in any other similar study * Commitment not to use during the study period other products with the same effect of the tested product * Subjects informed about the test procedures and who have signed a consent form. Exclusion Criteria: * Subjects participating or planning to participate in other clinical trials; * Subjects deprived of liberty by administrative or judicial decision or under guardianship; * Subjects who cannot be contacted in an emergency; * Subjects admitted to a health or social center; * Subjects planning hospitalization during the study; * Subjects who participated in a similar study without respecting an adequate washout period (used any desensitizing agents during the last three months); * Subjects who have used anti sensitivity products in the 4 weeks prior to screening; * Subjects under pharmacological treatments that the investigator considers incompatible with the requirements of the study; * Subjects who have had active caries within 12 months or who are at risk of caries development (multiple dental restorations, crowns with compromised margin) per examiners discretion; * Subjects who have shown allergies or sensitivity to any component of the product; * Subject breastfeeding, pregnant or not willing to take the necessary precautions to avoid pregnancy during the study (for women of childbearing age). * Any tooth surface adjacent to those surfaces under investigation, which in the opinion of the investigator have any other condition that provides symptoms confusing with those of cervical dentin hypersensitivity.