Clinical Research Directory

Inclusion Criteria: * Patients who never visited dental clinics before; * Patients who need dental treatment, such as resin filling, root canal treatment, periodontal initial treatment, tooth extraction, etc; * Patients and their guardians who are able to understand the purpose of the study and volunteer to take part in the study; * Patients who are intellectually sufficient to complete the anxiety scale; * Be able to complete all assessments and follow-up during the study. Exclusion Criteria: * Patients who are allergic to the ingredients of the essential oils used in the experiment or to the materials used in the dental treatment; * Patients who underwent only an oral examination; * Patients with severe heart disease, hypertension, respiratory disease, or other systemic conditions that were not eligible for trial participation; * Pregnant or lactating women; * People with depressive symptoms, anxiety disorders or other mental illnesses that affect their mood state; * People who are using sedative or analgesic drugs; * Recent or current users of essential oils; * Any circumstances considered by the investigator to be inappropriate for participation in this study.