Interest of Auriculotherapy in the Treatment of Xerostomia

Inclusion Criteria: * Patients over 18 years old; * Complain about xerostomia after cervical irradiation in the context of ENT cancer; * End of radiotherapy\> 3 months * Covered by a national healthcare insurance * Consent form signed. Non inclusion Criteria: * Pregnant or breastfeeding women; * Local counterindication to auriculotherapy; * With anticoagulant treatment; * History or existing of hemophilia; * Valvular prosthesis; * Ear's pavilion infection; * Treatment by auriculotherapy or acupuncture in this indication in the previous 12 months; * Having started in the 48 hours preceding the first auriculotherapy session, any new management of xerostomia and likely to interfere with the study (specific medication and/or complementary therapeutic management); * Difficulty to comply with the treatment, questionnaires or study protocol; * Being deprived of liberty or under guardianship.