Analgesic effects of ultrasound-guided inferior alveolar nerve block for the removal of impacted mandibular third molar

Analgesic effects of ultrasound-guided inferior alveolar nerve block for the removal of impacted mandibular third molar: a randomized controlled trial

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1011220018

Enrollment

104

Registered

2022-09-15

Start date

2022-09-15

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

impacted mandibular third molar

Interventions

In the block group, bilateral ultrasound-guided inferior alveolar nerve blocks are performed after the removal of impacted mandibular third molars, and 5 mL each of 0.375% levobupivacaine is administe

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: over 16 years of age ASA-PS I to II undergoing the removal of impacted mandibular third molar

Exclusion criteria

Exclusion criteria: Patients who are allergic to the study drug, blood coagulation disorders, chronic opioid use, pregnancy, mental disorders, and other patients who, at the discretion of the physician in charge, are considered inappropriate for this study.

Design outcomes

Primary

Measure	Time frame
After the block (4, 10, 24 hour), NRS	—

Secondary

Measure	Time frame
Pre-/postoperative QoR40J Complications of nerve block (local anesthetic systemic toxicity, hematoma, local infection) The number of times rescue analgesics are used in the 24 hours following the block.	—

Contacts

Public ContactDaisuke Oiwa

Hinode Makomanai Dental Hospital

oiwa@hinodeshika.or.jp+81-11-584-5848

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026