Inclusion Criteria:

• Age >18 years
• Idiopathic trigeminal neuralgia (TN) based on the International Headache Society criteria
• Pain for at least six months and a NRS score greater than 6 despite medical treatment
• Able to provide informed consent.
• Agree to follow the study procedures and attend follow-up visits.

Exclusion Criteria:

• Vascular compression of the trigeminal nerve by MRI and MRI angiography and the presence of secondary causes such as multiple sclerosis
• Trigeminal autonomic cephalalgias accompanied by autonomic symptoms
• Dental or temporomandibular joint pathologies
• Previous interventional procedures or surgery for TN
• Coagulopathy or use of antiaggregants and anticoagulants
• Cardiac pacemaker
• Renal-hepatic insufficiency
• Diagnosis of psychiatric illness
• Malignancy
• Injection site or systemic infection
• Current participation in another clinical trial that could interfere with the outcomes of this study.