Inclusion Criteria:  1. Spanish-speaking patients over 18 years of age who require the placement of a single implant or the extraction of a single tooth.  Exclusion Criteria:  Patients with mental illness (dementia) Patients with psychiatric disorders Patients under anxiolytic treatment Patients with visual or motor loss or with any disability that makes it impossible to fill in the forms provided and the visual analog scale (VAS). Patients under medical treatment that could interfere with the anesthesia used in oral surgery. All implant surgeries were ruled out in patients requiring any type of bone regeneration, due to their greater morbidity. All oral surgeries requiring a flap, due to their greater morbidity.