This multicenter randomized trial compares the clinical effectiveness of intraligamentary injection versus inferior alveolar nerve block (IANB) in patients with symptomatic irreversible pulpitis in mandibular molars. The goal is to determine which technique provides better pain control during endodontic treatment.
Adults aged 18 years or older
Presenting with symptomatic irreversible pulpitis in a mandibular molar
Vital response to cold testing
Ability to understand and provide informed consent
Known allergy to lidocaine or epinephrine
Pregnancy or breastfeeding
Use of analgesics or anti-inflammatory drugs in the previous 6 hours
Non-vital or previously treated teeth