Effect of Preoperative Information Videos on Anxiety and Vital Signs in Impacted Third Molar Surgery

Inclusion Criteria: * Age between 18 and 50 years * ASA physical status I or II * Radiographic evidence of an impacted mandibular third molar classified as Pell-Gregory Class I or II and Position A or B * Presence of mandibular third molar (tooth 38 or 48) in a vertical or mesioangular position according to Winter's classification * Indication for impacted mandibular third molar extraction * Willingness to participate and provide written informed consent Exclusion Criteria: * Active smoking or alcohol consumption * Bleeding/coagulation disorders or any systemic disease/medication use that could impair wound healing * Pregnancy or lactation * Local pathologies associated with the impacted tooth, such as cysts or tumors * History of severe anxiety disorder or known psychiatric illness * Known allergy to local anesthetics or planned postoperative medications * Presence of uncontrolled active periodontal disease * Inability or unwillingness to comply with follow-up procedures